Gretta Gross, DO - Thomas Hart Family Practice Center - York, PA - Family Medicine | WellSpan Health
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Gretta Gross, DO

My Locations

Thomas Hart Family Practice Center
1001 S. George St.
York, PA 17403
(717) 851-2521
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About Me

Why I chose to pursue a career in medicine:

I love the challenge of practicing family medicine. Each day brings something different, and I love being able to use the knowledge and skills I have to help my patients. As an osteopathic physician, I also enjoy being able to use my hands to provide comfort or healing manipulation when indicated. When I was considering career paths, I was looking for something to challenge me and keep my interest. Osteopathic family medicine provides that for me.


What I want my patients to know about me:

I am a York County native. I grew up in Manchester and graduated from Northeastern Senior High School. My family has a long tradition of farming in the county (my brothers are the 8th generation to do it). Even though I have spent parts of my career outside the area, I have always identified York County as home and am glad to have the opportunity to serve patients in this area.


What I do when I'm not seeing patients:

In addition to seeing patients, my work in medicine includes medical education. I teach medical students and residents, and I work for a national testing organization (National Board of Osteopathic Medical Examiners) to develop licensing exams. For relaxation, I enjoy spending time with my family and friends, and am a member of Christ Lutheran Church in Manchester.


Clinical Interests

  • Family Medicine
  • Osteopathic Manipulative Med.

Board Certifications

  • American Board of Family Medicine | Family Medicine
  • American Board of Osteopathic Family Physicians | Family Practice

Education & Credentials

  • Medical School: Philadelphia College of Osteopathic Medicine
  • Graduate School: Lake Erie College of Osteopathic Medicine
  • Internship Program: Warren Hospital
  • Residency Program: Warren Hospital

WellSpan Hospital Affiliations

  • WellSpan York Hospital

Health Plans Accepted

WellSpan Financial Assistance Program participant

  • Aetna
  • Aetna Better Health
  • Amerihealth Caritas PA
  • Capital Blue Cross
  • Cigna Healthsprings(Formerly Bravo)
  • Cigna/Greatwest
  • EHP Significa
  • Gateway
  • Geisinger
  • Health America
  • Highmark Blue Shield
  • InterGroup
  • John Hopkins Health Care
  • PA Medical Assistance
  • PA Medicare
  • Preferred Health Care
  • Private Healthcare Systems
  • Railroad Medicare
  • South Central Preferred
  • Tricare
  • United Healthcare Community Plan
  • United Healthcare/ Mamsi
  • UPMC Health Plan

Patient Reviews

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Physician star ratings and patient comments come from after visit survey data that is compiled by Press-Ganey, a leading independent performance measurement company. WellSpan is committed to posting all feedback, whether positive or negative. However, comments may be edited or removed if they are profane or risk the privacy of our patients.



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