Gregory S. Willis
Distinguished in Malignant Mixed Mullerian Tumor

Dr. Gregory S. Willis

Oncology
UPMC
UPMC Gynecologic Oncology
1703 Innovation Drive, Suite 2001, 
York, PA 
On Staff At
Accepting New Patients

Distinguished in Malignant Mixed Mullerian Tumor
UPMC
UPMC Gynecologic Oncology
1703 Innovation Drive, Suite 2001, 
York, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Gregory Willis, DO, specializes in gynecologic oncology and is certified by the American Osteopathic Board of Obstetrics and Gynecology. He practices at PinnacleHealth Women's Cancer Center and is affiliated with UPMC Lititz, UPMC Memorial, UPMC Hanover, UPMC Harrisburg, UPMC Community Osteopathic, and UPMC West Shore. He completed his fellowship at Community General Osteopathic Hospital, medical school at University of North Texas, residency at Erlanger Health System, and residency at Community Hospital of Lancaster.

Dr. Willis is rated as a Distinguished provider by MediFind in the treatment of Malignant Mixed Mullerian Tumor. His top areas of expertise are Ovarian Carcinosarcoma, Virilizing Ovarian Tumor, Desmoplastic Small Round Cell Tumor, Ovarian Cancer, and Hernia Surgery.

His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.

Specialties
Oncology
Licenses
Obstetrics & Gynecology in PA
Fellowships
Community General Osteopathic Hospital GME
Hospital Affiliations
Upmc Hanover
Upmc Memorial
Upmc Pinnacle Hospitals
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Gateway Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 11 Less Insurance Carriers -

Locations

UPMC Gynecologic Oncology
1703 Innovation Drive, Suite 2001, York, PA 17408
Call: 223-284-4907

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


1 Total Publications

Breast cancer metastasis to the vulva 20 years remote from initial diagnosis: A case report and literature review.
Breast cancer metastasis to the vulva 20 years remote from initial diagnosis: A case report and literature review.
Journal: Gynecologic oncology reports
Published: January 08, 2015
Similar Doctors
Distinguished in Malignant Mixed Mullerian Tumor
Dr. Dwight D. Im
Gynecologic Oncology | Oncology
Distinguished in Malignant Mixed Mullerian Tumor
Dr. Dwight D. Im
Gynecologic Oncology | Oncology

St Paul Place Specialists, Inc.

301 Saint Paul St, 
Baltimore, MD 
 (48.3 miles away)
Languages Spoken:
English, Korean
See accepted insurances
Accepting New Patients

Dwight Im is a Gynecologic Oncologist and an Oncologist in Baltimore, Maryland. Dr. Im is rated as a Distinguished provider by MediFind in the treatment of Malignant Mixed Mullerian Tumor. His top areas of expertise are Rectocele, Endometrial Cancer, Endometrial Stromal Sarcoma, Hysterectomy, and Oophorectomy. Dr. Im is currently accepting new patients.

Distinguished in Malignant Mixed Mullerian Tumor
Dr. Charles R. Boice
Gynecologic Oncology | Oncology
Distinguished in Malignant Mixed Mullerian Tumor
Dr. Charles R. Boice
Gynecologic Oncology | Oncology

Medstar Medical Group Ii LLC

1406 Crain S Hwy 106, 
Glen Burnie, MD 
 (58.0 miles away)
410-768-6440
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Charles Boice is a Gynecologic Oncologist and an Oncologist in Glen Burnie, Maryland. Dr. Boice is rated as a Distinguished provider by MediFind in the treatment of Malignant Mixed Mullerian Tumor. His top areas of expertise are Cervical Cancer, Neuroendocrine Carcinoma of the Cervix, Malignant Mixed Mullerian Tumor, Hernia Surgery, and Oophorectomy. Dr. Boice is currently accepting new patients.

Distinguished in Malignant Mixed Mullerian Tumor
Dr. Robert L. Giuntoli
Oncology
Distinguished in Malignant Mixed Mullerian Tumor
Dr. Robert L. Giuntoli
Oncology

Abramson Cancer Center West Chester

440 East Marshall Street, Suite 101, 
West Chester, PA 
 (61.8 miles away)
800-789-7366
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Robert Giuntoli is an Oncologist in West Chester, Pennsylvania. Dr. Giuntoli is rated as a Distinguished provider by MediFind in the treatment of Malignant Mixed Mullerian Tumor. His top areas of expertise are Cervical Cancer, Malignant Mixed Mullerian Tumor, Ovarian Carcinosarcoma, Colonoscopy, and Ureteroscopy. Dr. Giuntoli is currently accepting new patients.

VIEW MORE MALIGNANT MIXED MULLERIAN TUMOR DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Willis's expertise for a condition
ConditionClose
    • Distinguished
    • Desmoplastic Small Round Cell Tumor
      Dr. Willis is
      Distinguished
      . Learn about Desmoplastic Small Round Cell Tumor.
      See more Desmoplastic Small Round Cell Tumor experts
    • Malignant Mixed Mullerian Tumor
      Dr. Willis is
      Distinguished
      . Learn about Malignant Mixed Mullerian Tumor.
      See more Malignant Mixed Mullerian Tumor experts
    • Ovarian Cancer
      Dr. Willis is
      Distinguished
      . Learn about Ovarian Cancer.
      See more Ovarian Cancer experts
    • Ovarian Carcinosarcoma
      Dr. Willis is
      Distinguished
      . Learn about Ovarian Carcinosarcoma.
      See more Ovarian Carcinosarcoma experts
    • Sertoli-Leydig Cell Tumor
      Dr. Willis is
      Distinguished
      . Learn about Sertoli-Leydig Cell Tumor.
      See more Sertoli-Leydig Cell Tumor experts
    • Testicular Yolk Sac Tumor
      Dr. Willis is
      Distinguished
      . Learn about Testicular Yolk Sac Tumor.
      See more Testicular Yolk Sac Tumor experts
    View All 7 Distinguished Conditions
    • Advanced
    • Agranulocytosis
      Dr. Willis is
      Advanced
      . Learn about Agranulocytosis.
      See more Agranulocytosis experts
    • Cervical Cancer
      Dr. Willis is
      Advanced
      . Learn about Cervical Cancer.
      See more Cervical Cancer experts
    • Chronic Familial Neutropenia
      Dr. Willis is
      Advanced
      . Learn about Chronic Familial Neutropenia.
      See more Chronic Familial Neutropenia experts
    • Endometrial Cancer
      Dr. Willis is
      Advanced
      . Learn about Endometrial Cancer.
      See more Endometrial Cancer experts
    • Severe Congenital Neutropenia
      Dr. Willis is
      Advanced
      . Learn about Severe Congenital Neutropenia.
      See more Severe Congenital Neutropenia experts
    • Vulvar Cancer
      Dr. Willis is
      Advanced
      . Learn about Vulvar Cancer.
      See more Vulvar Cancer experts
    • Experienced
    • Adult Soft Tissue Sarcoma
      Dr. Willis is
      Experienced
      . Learn about Adult Soft Tissue Sarcoma.
      See more Adult Soft Tissue Sarcoma experts
    • Angiomyoma
      Dr. Willis is
      Experienced
      . Learn about Angiomyoma.
      See more Angiomyoma experts
    • BRCA Positive Breast Cancer
      Dr. Willis is
      Experienced
      . Learn about BRCA Positive Breast Cancer.
      See more BRCA Positive Breast Cancer experts
    • Eccrine Porocarcinoma
      Dr. Willis is
      Experienced
      . Learn about Eccrine Porocarcinoma.
      See more Eccrine Porocarcinoma experts
    • HER2 Negative Breast Cancer
      Dr. Willis is
      Experienced
      . Learn about HER2 Negative Breast Cancer.
      See more HER2 Negative Breast Cancer experts
    • Hernia Surgery
      Dr. Willis is
      Experienced
      . Learn about Hernia Surgery.
      See more Hernia Surgery experts
    View All 12 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.