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Dr. Gregory Willis, DO

Dr. Gregory Willis, DO

Age 57 Oncology M
(25) 25 reviews
Accepting New Patients


Dr. Gregory Willis, DO is a oncology specialist in Mechanicsburg, PA. He currently practices at Pinnaclehealth Womens Cancer Center and is affiliated with Chambersburg Hospital. He accepts multiple insurance plans.


  • Univ Of North Texas Health Science Center Texas College Of Osteopathic Medicine, University Of North Texas Health Science Center At Fort Worth, Medical School — 1994

Insurance Accepted

  • Aetna
  • Amerihealth
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan
  • UPMC

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  1. Practice

    1. 1
      Pinnaclehealth Womens Cancer Center
      2035 Technology Pkwy Ste 201, Mechanicsburg, PA 17050 Existing Patients: (717) 221-5940
    2. 2
      Upmc Hillman Cancer Center - York (medical Oncology)
      1703 Innovation Dr Ste 2001, York, PA 17408 Existing Patients: (717) 801-0739

Patient Satisfaction

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Dr. Willis and his staff treated me with the highest regard and compassion during a difficult time. I was treated with compassion and respect while including my husband in all aspects of my care and knowledge about my procedure. I appreciated the time he and his staff took with the support of my case before , during and after my procedure. His skills as a surgeon and bed side manner greatly helped me through this difficult time. I highly recommend him and his staff to anyone who is seeking a caring and compassionate doctor.
Patricia M Sliver — Feb 28, 2021
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Dr. Gregory Willis, DO
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Frequently Asked Questions

Dr. Willis frequently treats Gynecologic Neoplasms.  

Find contact information here to make an appointment.

Hospital Affiliations

  • Chambersburg Hospital
  • Holy Spirit Hospital
  • UPMC Pinnacle Harrisburg