Stephen D. Ratcliffe, M.D., MSPH
Director
Dr. Ratcliffe assumed the role of Director of the Lancaster General Hospital Family Medicine Residency Program in July 2002. A graduate of Washington University School of Medicine, he completed his family practice training and his MSPH training at the University of Utah. Dr. Ratcliffe served as family practice Division Chief (1993-1998) and Residency Program Director (1998-2002) at the University of Utah. Dr. Ratcliffe was one of the original collaborators in the ALSO course and has done extensive maternity care teaching throughout the United States. He has served as senior editor of the textbook Family Medicine Obstetrics. He is the founder and director of the IMPLICIT program, a continuous quality improvement network comprised of 15 family medicine residencies in the Northeast. He is the co-investigator of a Robert Woods Johnson Grant to study the impact of care management in the treatment of perinatal depression. He and his wife Anita are West Virginia natives and the parents of five children.
Christine M. Stabler, M.D.
Vice President of Academic Affairs
Dr. Stabler became the first LGH Vice President for Academic Affairs, in February 2011. In this new role, she will oversee and coordinate LGH’s medical education programs that include the family medicine residency; fellowships in geriatrics, palliative medicine and faculty development; the pharmacy residency, a new dental residency and an expanded medical student program. She will also oversee the Institutional Review Committee and the LGH Health Research Institute. A graduate of Pennsylvania State University/Jefferson Medical College BS/MD program, she then completed her family medicine residency at LGH and a one-year teaching fellowship in family medicine at Temple University. After two years in practice, she joined the full-time faculty in 1986. She will continue to see her patients 2 sessions a week at Family & Maternity Care and plans to participate in after hours ob call on a part-time basis. She holds faculty appointments at Temple University, University of Pennsylvania and Penn State College of Medicine. Dr. Stabler is a past President of the Pennsylvania Academy of Fam Phys and chair of the AAFP Commission on Membership and Member Services. Her family includes her husband Russ; children, Kate and Ben; and Molly, a precocious border collie.
Pamela A. Vnenchak, M.D.
Deputy Director
Dr. Vnenchak is the Deputy Director of the Family Medicine Residency Program. She graduated from Elizabethtown College with a B.S. degree in Biology, Magna Cum Laude, attended the University of Medicine and Dentistry New Jersey Medical School where she obtained her M.D. degree in 1990. In 1993 she completed her family medicine residency at Lancaster General Hospital where she was also Chief Resident. After residency she joined Valley Family Physicians in Claremont, N.H. as a family physician for three years. She also served as Assistant Professor (clinical investigator) at the Family Medicine Residency at LaFayette Family Health Center in LaFayette, N.Y. She joined our faculty in 2000. Her clinical interests and focus centers on women’s and children’s health. Dr. Vnenchak and her husband have four teenagers, including triplets.
Christian Hermansen, M.D.
Assistant Deputy Director
Dr. "Herm" graduated from Jefferson Medical College and was introduced to Lancaster shortly thereafter. He graduated from the Lancaster General Hospital Family Medicine Residency and was honored with the Society for Teachers in Family Medicine Resident of the Year award. After two wonderful years in Christian-based private practice in New Jersey, he was called to Lancaster to combine private and academic family medicine. He also serves as Medical Director of Downtown Family Medicine. He is a past recipient of the Faculty Teacher of the Year. Feel free to discuss financial peace, sports (Go Phillies, Flyers, Eagles!), or the book you're currently reading when you see him. After work, however, Dr. Hermansen can't wait to enjoy family life with his wife, Heather, and his three boys, Timothy, Benjamin, and Nathaniel.
Nikitas J. Zervanos, M.D.
Director Emeritus
Dr. Zervanos served as the full-time Director of the Family Medicine Residency Program from July 1969 until July 2002. Since his retirement, he continues to participate part-time in the program by caring for his patients, teaching physical diagnosis to medical students and precepting the residents in the program’s Family Practice Center. He also serves as Director of the popular CME Temple University/Lancaster General Hospital Family Medicine Review.
John C. Wood, M.D., FAAFP
Chairman, Department of Family & Community Medicine, Lancaster General Hospital
Associate Director, Lancaster General Family & Community Medicine Residency Program
Dr. Wood is Chairman of the Department of Family and Community Medicine at Lancaster General Health. He serves as the Chair of the eHealth Primary Care Steering Committee and is Team Physician for the School District of Lancaster. He practices at Downtown Family Medicine. A native Pennsylvanian, Dr. Wood graduated from the Pennsylvania State University and attended Temple University School of Medicine. He graduated from Lancaster General Family Medicine Residency after serving as co-chief resident during his third year. Honors include: STFM resident teacher of the year award 2007, Faculty Teacher of the year award 2010, and FP Inpatient Teacher of the year award 2011. Dr Wood coordinates the sports and inpatient medicine curriculums. He is an avid bicycler and enjoys spending time with his expanding family and wife who is an attorney in Chester County. Dr. Wood and his wife enjoy exploring the National Parks.
Susan Angelisanti, M.D.
Dr. Angelisanti is an obstetrician/gynecologist and joined Lancaster General Family and Maternity Care in 2007. She attended medical school in St. Louis at the Washington University School of Medicine. She then completed a family practice residency here in Lancaster and is board certified in Family Medicine. Dr. Angelisanti completed a second residency in obstetrics and gynecology at Lehigh Valley Hospital in Allentown, PA. She worked in private practice in Pottsville, PA for two years before returning to Lancaster General Health.
Matthew J. Beelen, M.D.
Dr. Beelen is an Associate Director of our residency program and also is the director of the Geriatric Fellowship. He graduated from the University of Michigan Medical School and went on to complete his family medicine residency, a faculty development fellowship, and a geriatric fellowship here in Lancaster. He also completed a faculty development fellowship at Michigan State University. His special interests include curriculum development, evidenced-based medicine, comprehensive geriatric assessment, geriatric trauma, and dementia disorders. In addition he helps coordinate the residency geriatric curriculum.
Andrew S. Coco, M.D.
Dr. Coco is an Associate Director, joining the faculty in May 1995, and is Director of the Health Research Center within the Family and Community Medicine Department. Dr. Coco is a graduate of the University of Connecticut with a B.S. degree, the Harvard School of Public Health with an M.S. degree, and the University of Massachusetts Medical School. Prior to medical school, Dr. Coco spent three years in the Peace Corps in western Africa, developing preventive health programs. He completed his residency at Contra Costa Medical Service in Martinez, Calif. in 1989 and served six years working at the community clinic in rural northern California prior to joining our faculty. Dr. Coco became certified as an HIV specialist in 2002 and sees a number of patients with this diagnosis. His research interests involve maternity care, HIV prevention, acute otitis media and cost-effective studies.
Donna Cohen, M.D.
Dr. Cohen is an Associate Director faculty member of the Family Medicine Residency Program. She received her medical degree from Jefferson Medical College, and completed her family practice residency at Lancaster General Hospital in 2002. During residency she received the Mead Johnson Award for Family Practice Graduate Medicine. Dr. Cohen completed a two-year academic fellowship at Boston University Medical Center following residency. There she developed her research interests in women’s health and health services, which she has continued working on through the Research Center at Lancaster General Hospital. Her family includes her husband, Stu, and their three daughters, Noa, Ariel, and Ellie.
Robert Faizon, M.D.
Dr. Faizon is an Obstetrician/Gynecologist who joined the Family and Community Medicine clinical faculty in July 2004. He is a graduate of the University of Pittsburgh School of Medicine. He completed his OB/GYN residency at the Yale School of Medicine OB/GYN Program at Bridgeport Hospital. He served four years in the United States Air Force as the Medical Director of the 436 Medical Group OBGYN Department. His medical interests include primary care for women and minimally invasive surgery.
Corey D. Fogleman, M.D.
Dr. Fogleman joined the faculty in September 2010. He is a graduate of the University of North Carolina at Chapel Hill with a BA in 1996 and MD in 2000. He did his residency training at Lancaster General Hospital Family Medicine Residency Program and joined the U.S. Air Force after graduation. He went on to complete the UCLA School of Medicine Medical Acupuncture for Physicians program in 2007. During his seven years in the military he served in roles as Diabetes Care clinic champion, Women’s Health Clinic Director and Family Practice Medical Director as well as staff acupuncturist. He was honorably discharged and has been delighted to bring his wife, Kelly, and their three children back to Lancaster. His interests include women’s health, complementary medicine, literature and distance running.
Thomas J. Gates, M.D.
Dr. Gates, Associate Director, joined the faculty in 1995. He is a graduate of Williams College, Harvard Medical School and the University of Utah Family Medicine Residency (1983). After 8 years practicing full-spectrum family medicine in rural New England (Lancaster, N.H.), he spent three years as a staff physician at Friends Lugulu Hospital in Kenya, and he continues to maintain close contacts with that institution. He has active teaching interests in global health, medical ethics, palliative care, chronic pain, and evidence-based medicine. He is board-certified in Hospice and Palliate Care, as well as Family Medicine. He has served for many years as the chairman of the LGH Bioethics Committee. Within the residency, he is one of the clinical team leaders at Downtown Family Medicine, and coordinates both the Global Health and Hospice and Palliative Care AOC's. He and his wife Liz are the parents of two sons, Matthew and Nathan.
Cherise Y. Hamblin, M.D.
Dr. Cherise Hamblin is a native of New York City. She first came to Lancaster while attending Franklin & Marshall College. She attended medical school at Northwestern University in Chicago and completed her residency in Obstetrics & Gynecology in Phoenix Arizona. In August 2011 she returned to Lancaster and joined the Family & Community Medicine faculty as an Associate Director of OBGYN. Dr. Hamblin has a special interest in robotic and minimally invasive surgery.
Cynthia L. Kilbourn, M.D.
Dr. Kilbourn, Associate Director, serves as the Co-Coordinator of our family medicine obstetrics service. She is a 1987 AOA graduate of the University of Pennsylvania School of Medicine and completed her residency program in family medicine at the Ventura County Medical Center in Ventura, Calif. In 1990 she completed a fellowship in obstetrics at Ventura County and practiced as the Associate Director of the OB/GYN service at that medical center. From 1994-1996 she worked with Highland Physicians in Honesdale, PA where she had a busy inpatient practice including obstetrics, pediatrics, medicine, and geriatrics. She and her husband, Mark Rast, MD, joined the faculty in September 1996.
Jeffrey T. Kirchner, D.O., FAAFP, AAHIVS
Dr. Kirchner is an Associate Director and joined the faculty in August 1996. He is a graduate of the Philadelphia College of Osteopathic Medicine and completed his Family Medicine residency at Abington (PA) Memorial Hospital. After residency, he worked for the Health Care for the Homeless Project in Washington, D.C. and was later in a private group practice in Lancaster City from 1990-1996. Dr. Kirchner’s primary medical interests include HIV/AIDS, Addiction medicine, writing and medical publications. He has published extensively in numerous medical journals and textbooks. He is a former Associate Editor of American Family Physician and serves on the editorial boards of Postgraduate Medicine and the Journal of Family Practice . He is the medical editor of the HIV Specialist magazine. He currently serves as Medical Director of Comprehensive Care Medicine, a federally funded Ryan White clinical program within the Family Medicine Residency Program that provides care for adults living with HIV/AIDS. He is certified as an HIV Specialist by the American Academy of HIV Medicine and serves on the national board of AAHIVM. His additional interests include distance running and medical humanities.
Heidi T. Kistler, M.D.
Dr. Kistler joined the faculty in July, 2012, after nearly five years of full-spectrum private practice at Twin Rose Family Medicine, in nearby Columbia,PA. Having grown up mostly in Pennsylvania, she received her BA in Sociology/Anthropology from Carleton College, MN, and returned to her home state to attend Penn State University’s College of Medicine in Hershey. She is a 2007 graduate of LG Health Family Medicine Residency. Honors include the Leonard Tow Humanism in Medicine award (2004), STFM Resident Teacher of the Year award (2007), and Preceptor of the Year award (2010). Professional interests aside from teaching, include maternal child health,pediatric literacy promotion and global health. Since 2008, she has served on the board of SHARE of Lancaster, which provides pregnancy and infant loss support. She and her husband, Greg, welcomed their first child, a son, in 2011.
Roland J. Larrabee, M.D.
Dr. Larrabee joined our faculty in August, 1992. He graduated from the University of Maine at Orono with a B.A. in Chemistry (Phi Beta Kappa) and then the University of Vermont College of Medicine in 1980. He did his residency at the Lancaster General Family Medicine Program, a member of the class of 1983. He then entered into solo family practice in rural Maine, where for 9 years he maintained an active outpatient/inpatient practice, including obstetrics. He was school physician and elected as “town physician” for the town of Guilford. Originally serving as the coordinator of the obstetrical curriculum, in September 1995 he assumed the role of Medical Director of the Walter L. Aument Family Health Center in Quarryville. Current interests include practice management, procedural medicine, and chronic disease management.
Yolanda Lawrence, M.D. 
Dr. Yolanda Lawrence joined the Lancaster General Health faculty as an Associate Director in 2012. She received bothher undergraduate degreeand her medical degree from the University of Vermont where she was chosen to be a member of Tau Beta Pi Engineering Honor Societyand Alpha Omega Alpha Honor Medical Society. She completed her Family Practice Residency at Ventura County Medical Center followed by a Faculty Development Fellowship also at VCMC.
Upon completion of her fellowship she returned to her husband’s home town of Springfield, Vermont, where she practiced full spectrum family medicinefor 15 years. There she learned much about being a physician in a small town where your patients are your friends and neighbors. She hopes to instill
the love of practicing in rural America among the residents at Lancaster General Health. Dr. Lawrence and her husband Dave have two children, Rebecca and Nicholas.
Jeffrey Roth Martin, M.D.
Dr. Martin is an Associate Director, joining the faculty of the Residency Program in December 1999. He graduated from Goshen College in Indiana. He attended the University of Colorado School of Medicine where he obtained his M.D. degree with honors in 1993. In 1997 he completed his family medicine residency at Lancaster General Hospital. During residency he received the Mead-Johnson Award for Family Practice Graduate Medicine. He directs the community medicine curriculum and has an interest in the genetic basis of disease. In addition, Dr. Martin, along with Dr. Adam Wilikofsky, directs the interviewing curriculum. He is involved with several community endeavors including Medical Director at Vantage House, a long-term drug-rehab program for women and children, founding member of the steering committee for a County Health Department, Co-founder of the Lancaster County Lead Coalition and Director of Lancaster General's Superutilizer Project. He is excited by the myriad of ways residents interact with the community of Lancaster. He enjoys bicycling, skiing and discovering his Lancaster County Mennonite roots. Dr. Martin and his wife Kristina are the parents of three children.
Pamela Martin, D.O.
Dr. Martin is an Associate Director of the Obstetrical Curriculum Program, joining the faculty in 2002. She helps coordinate OB management and runs our busy OB Clinics and Surgical programs. Dr. Martin is a graduate of Kirksville College of Osteopathic Medicine, Kirksville, Mo., and completed her residency at the University of Medicine and Dentistry of New Jersey in Obstetrics and Gynecology. Her interests are in GYN surgery, physical examination, and high risk OB. A native of Lancaster County, she relocated to the area with her husband, two sons, and a daughter.
Peggy Nepps, Psy.D.
Dr. Nepps is an Associate Director, a licensed psychologist and Coordinator of Behavioral Science for the Program. A graduate of St. Joseph’s College, Philadelphia, Dr. Nepps received her doctoral degree in clinical psychology from Rutgers University in 1982. She gained experience as a supervising psychologist at Beth Israel Medical Center in New York City, where she had previously completed her internship in clinical psychology. Dr. Nepps was a member of the faculty of the Family Medicine Residency at St. Joseph’s Medical Center in Yonkers, New York from 1985 until 1988, when she joined the staff of Lancaster General Hospital. She currently coordinates and provides teaching in behavioral science and psychiatry. Dr. Nepps teaches research methods and directs the resident research program. Dr. Nepps has published articles on smoking cessation, obsessive-compulsive disorder, animal-assisted therapy and psychotherapy outcomes. She has special interest in cognitive behavior therapy, animal-assisted therapy and the psychological sequelae of medical illness. Dr. Nepps is a member of the Pennsylvania Psychological Association and the Society of Teachers of Family Medicine.
David T. O'Gurek, M.D..aspx?width=115&height=144)
Dr. O'Gurek, Associate Director, joined the faculty in August of 2011 following completion of the Lancaster General Family Medicine Residency Program in June, where he served as chief resident. He completed his undergraduate studies at St. Joseph's University, Philadelphia, and his medical education at the Penn State College of Medicine, Milton S. Hershey Medical Center. He co-directs the Family Medicine Inpatient Service with Dr. Wood and the Internal Medicine Teaching Service and serves on the Graduate Medical Education Committee. His clinical interests include: inpatient medicine, outpatient procedures, health and public policy, and care of patients struggling with substance abuse and addiction.
Stephen T. Olin, M.D.
Dr. Olin is an Associate Director and serves as the Physician Advisor, Resource and Care Coordination and Medical Director for Patient Safety and Performance Improvement for LG Health. He also coordinates the dermatology curriculum in conjunction with the Division of Dermatology at Lancaster General Hospital. Dr. Olin received his medical degree from Boston University School of Medicine and is a 1976 graduate of the Lancaster General Hospital Family Medicine Residency Program. He subsequently became a Robert Wood Johnson Clinical Scholar at the University of Pennsylvania and completed a teaching fellowship in family medicine at the Temple University School of Medicine.He is the current Treasurer and past President of the Lancaster City and County Medical Society and the President of the Lancaster Chapter of the PA Academy of Family Physicians.
Alan S. Peterson, M.D.
Dr. Peterson is an Associate Director and serves as Director of Community and Environmental Medicine. He is also the editor of the monthly Family Practice Family newsletter and writes articles regularly for The Journal of LGH and Quarryville Chronical Newspaper. He precepts and conducts patient care at the Walter L. Aument Family Health Center. He received his medical degree from Boston University School of Medicine and is a 1975 graduate of the Lancaster General Hospital Family Medicine Residency Program. After four years in private practice, he joined our teaching faculty. He has successfully completed his Certificate of Added Qualifications in Geriatrics. Dr. Peterson is the Medical Director of ChildProtect, the hospital’s free immunization program, and is Medical Advisor to Lancaster County’s Immunization Coalition.
Mark L. Rast, M.D.
Dr. Rast is a graduate of Brown University and the University of Pennsylvania School of Medicine, where he received the Nikitas Zervanos, M.D Award for Family Medicine upon graduation. He completed his residency at the Ventura County Medical Center in Ventura, Calif. Following graduation he developed a county-sponsored family practice clinic, Las Islas Family Medical Group in Oxnard, Calif., with several fellow residents. There he practiced full-spectrum family practice with an emphasis on obstetrics. More recently he worked with Highland Physicians in rural northeast Pennsylvania providing full-spectrum care including obstetrics, geriatrics in a high volume inpatient practice until he joined the faculty in September 1996. His special interests include healthcare systems and care of the underserved and improving care delivery. He also very much enjoys continuing to practice full spectrum family medicine. Dr. Rast is married to Cynthia Kilbourn, MD, and they have three children – 2 in college and 1 in High School. He is an avid banjo player and plays bluegrass and old time music whenever possible.
Richard Turnamian, M.D.
Dr. Turnamian is an Obstetrician/Gynecologist who joined the Family and Community Medicine Faculty in 2005. He graduated from Bucknell University and completed his medical training at Rutgers Medical School in Piscataway, NJ. After a one year internship at Lancaster General Hospital, he completed a four year OB/GYN residency at York Hospital, York, PA. After more than 18 years of private OB/GYN practice, he began his present position at Lancaster General/Women and Babies Hospital.
Daniel Weber, M.D.
Dr. Weber is the Director of OBGYN for Family and Community Medicine. He completed his OBGYN residency at Penn State’s Hershey Medical Center in 1985. Prior to joining the LGH staff in 2002, Dr. Weber served as Director of OBGYN Education, Director of the FCM OB Fellowship, and President of the Medical Staff at Pinnacle Health in Harrisburg, PA. Since 2002, Dr. Weber has been the faculty leader of the Residency’s OBGYN faculty group. An enthusiastic and devoted teacher, he is strongly supportive of the program's goals to maximize OBGYN education. Dr. Weber speaks Spanish, and is actively involved in a variety of community outreach programs in Central PA. He also serves at the OBGYN in-house expert for the Pennsylvania Department of State.
Kristy L. Whitman, M.D.
Dr. Whitman is an obstetrician/gynecologist and joined Lancaster General Health’s Family and Maternity Medicine after completing her residency training in 2009. She attended medical school at the Pennsylvania State University College of Medicine in Hershey, PA. She then completed her residency in obstetrics and gynecology at the University of Massachusetts Medical Center in Worcester, Mass. She moved back to central PA with her husband, Zachary, who is a family medicine/sports medicine physician employed by a local private practice.
Adam S. Wilikofsky, Ph.D.
Dr. Wilikofsky is an Associate Director and full-time member of the Residency Program’s Behavioral Science faculty. He graduated from Yale University and received masters and doctoral degrees in clinical psychology from the University of North Carolina at Chapel Hill. He completed his internship in clinical psychology at Beth Israel Medical Center in New York City. Following that, he worked as a psychologist in the North Carolina public mental health system. He later returned to Beth Israel as a supervising psychologist and a member of their Predoctoral Psychology Internship faculty. He came to Lancaster General Hospital in 1988. Among other functions, Dr. Wilikofsky is the primary behavioral science consultant at the Walter L. Aument Family Health Center and directs the Interviewing and Family Therapy Curricula at Lancaster General Hospital.
For questions or more information about the Lancaster General Family Medicine Residency Program, please contact our Residency Coordinator.