Our Team


Stephen G. Diamantoni, M.D.

Dr. Diamantoni is a graduate of Lehigh University and Hahnemann Medical College. He completed his residency training in Family Practice at Lancaster General Hospital in 1985, where he served as Chief Resident. Dr Diamantoni is board certified in Family Practice and has also earned Board Certification in Geriatrics and Sports Medicine. He is Board Certified by the American Board of Medicolegal Death Investigators. He is a Fellow of the American Academy of Family Practice. Dr Diamantoni founded Diamantoni and Associates in 1985 and is the Managing Partner. He is the elected Coroner of Lancaster County. He lives in Manheim Township with his 3 children. He enjoys skiing, scuba diving, and coaching soccer.

Office Locations:

  • Quarryville Office
  • Gail F. Bodner, M.D.

    Dr. Gail Bodner graduated from Rutgers University with a Bachelor of Science degree in Biochemistry. She received her medical degree from Hahnemann University in Philadelphia and completed her Family Medicine internship at Eastern Virginia Medical School. Dr. Bodner performed her Family Medicine residency at Moses Cone Memorial Hospital in North Carolina. After working in emergency medicine at Winona Memorial Hospital in Indianapolis, IN Dr. Bodner continued in this field at both Lancaster General Hospital and Reading Hospital and Medical Center. Dr. Bodner joined Diamantoni and Associates in 1989 and is a member of the American Academy of Family Physicians and the Pennsylvania Medical Society. She enjoys treating patients of all ages and considers it a privilege to work with patients and their families.

    Office Locations:

  • Maria F. Perlis, M.D.

    Dr. Maria Perlis was born and raised in Schenectady, NY. She attended Cornell University for her undergraduate studies, receiving her degree in 1990. Dr. Perlis earned her medical degree in 1994 from the State University of New York Health Science Center. She performed her residency at Lancaster General Hospital from 1994-1997 and joined Diamantoni & Associates in August of 1997. Dr. Perlis has been board certified by the American Board of Family Medicine since 1997 and is currently certified through 2023. Professional memberships include: the American Academy of Family Physicians, the Pennsylvania Academy of Family Physicians, and the Christian Medical and Dental Associates.

    Office Locations:

    Physician Assistant

    Michael C. Shipman, PA-C

    Michael Shipman earned his Bachelor of Science degree at Rutgers University. He attended the College of Medicine and Dentistry of New Jersey and received his Certificate of Training as a Physician’s Assistant. Michael earned his certification of training as a Medical Services Specialist and Medical Services Technician at the U.S. Air Force School of Health Sciences. Michael joined Diamantoni & Associates in 2008.

    Office Locations: