Summary

Dr. Gregory Willis specializes in oncology, focusing on the diagnosis and treatment of cancer. They completed their medical education at the University of North Texas Health Science Center Texas College of Osteopathic Medicine and pursued residency training at Erlanger Medical Center. With 32 years of experience in cancer care, Dr. Willis brings extensive expertise to their practice. They are fluent in both English and Spanish.

Dr. Willis practices at multiple locations throughout Pennsylvania, including Hanover and York, and maintains affiliations with several respected healthcare systems including UPMC Harrisburg, Penn State Health Holy Spirit Medical Center, and Wellspan York Hospital. They have particular expertise in treating ovarian cancer, endometrial cancer, and vaginal and vulvar cancers. Dr. Willis also performs various diagnostic procedures including CT scans and provides sedation services when needed. Patients rate them 4.2 out of 5 stars on average.

AI-generated from data on this provider profile.

Quick Facts

  • 4.2
  • 32 years of experience
  • 31 insurance plans accepted
  • speaks English, Spanish
  • Erlanger Medical Center
  • 11 written reviews
  • 1 specialty
  • 1 area of expertise
  • 6 hospital affiliations
  • 3 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Gregory S. Willis, DO has 3 locations

Gregory S. Willis, DO

310 Stock StHanover, PA 17331

Gregory S. Willis, DO

1703 Innovation DrYork, PA 17408

Gregory S. Willis, DO

18 North StHanover, PA 17331

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Dr. Gregory S. Willis, DO, DODr. Sadaf Taimur, MDDr. Surupa Sen Gupta, MDDr. Sarah Regan, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.8 
32 Years of Experience 32 Years of Experience 17 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Spanish, Korean Speaks Spanish, English
Hanover , PAFrederick , MDGermantown , MDRockville , MD
Med School: Univ Of North Texas Health Science Center Texas College Of Osteopathic Med Med School: Dow Medical College Med School: Drexel University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Gregory S. Willis, DO

  • Aetna
  • Aetna - Medicare
  • AmeriHealth
  • AmeriHealth - Medicaid (Managed)
  • AmeriHealth Caritas
  • AmeriHealth Caritas - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Capital Blue Cross
  • Capital Blue Cross - Medicare
  • Cigna
  • Cigna-HealthSpring
  • Gateway Health
  • Gateway Health - Medicare
  • Geisinger Health Plan
  • Geisinger Health Plan - HMO
  • Geisinger Health Plan - Medicaid (Managed)
  • Golden Rule
  • HealthPartners
  • HealthPartners - Medicaid (Managed)
  • Humana
  • Humana - HMO
  • Medicaid
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UPMC Health Plan
  • UPMC Health Plan - HMO
  • UPMC Health Plan - Medicaid (Managed)

Medical Specialties

Dr. Gregory S. Willis, DO has the following specialty

Specialty Expertise

Dr. Gregory S. Willis, DO has the following area of expertise

  • Cancer

Certifications, License, & Education

32 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Pennsylvania, 2026, Active

EDUCATION & TRAINING

Residency

Erlanger Medical Center

Medical School

Univ Of North Texas Health Science Center Texas College Of Osteopathic MedGraduated in 1994

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Frequently Asked Questions

Is Dr. Gregory Willis, DO accepting new patients?
Dr. Gregory Willis, DO has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Gregory Willis, DO accept my insurance?
You can see the insurance plans that Dr. Gregory Willis, DO accepts on their Vitals profile.
Which hospitals is Dr. Gregory Willis, DO affiliated with?
Dr. Gregory Willis, DO is affiliated with Upmc Harrisburg, Penn State Health Holy Spirit Medical Center, Upmc Carlisle, Upmc Hanover, Upmc Memorial, and Wellspan York Hospital.
Where is Dr. Gregory Willis, DO's office located?
Dr. Gregory Willis, DO's office is located at 310 Stock St, Hanover, PA, 17331.
Does Dr. Gregory Willis, DO accept virtual/telehealth appointments?
Dr. Gregory Willis, DO has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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