Summary

Dr. Gregory Willis treats acid reflux, cauda equina syndrome, and chronic kidney disease, and practices oncology. They have practiced for 32 years and speak English and Spanish. Dr. Willis completed a residency at Erlanger Medical Center and sees patients in Hanover and York, Pennsylvania. They are affiliated with UPMC Harrisburg, Penn State Health Holy Spirit Medical Center, UPMC Carlisle, UPMC Hanover, UPMC Memorial, and WellSpan York Hospital. Patients on Vitals rate Dr. Willis 4.18 out of 5.

Overview based on verified provider data

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

Compare with Similar Doctors

Dr. Gregory S. Willis, DO, DO
Dr. Edward Lee, MD
Najeff Waseem, MD
Dr. Shannon O'Connor, MD
Dr. Gregory S. Willis, DO, DODr. Edward Lee, MDNajeff Waseem, MDDr. Shannon O'Connor, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.7 
0 
4.3 
32 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Chinese, English, Spanish Speaks English, Spanish
Hanover , PAColumbia , MDColumbia , MDRockville , MD
Med School: Univ Of North Texas Health Science Center Texas College Of Osteopathic Med
Current Profile
View Profile View Profile View Profile

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

Dr. Gregory S. Willis, DO holds an active medical license in the state of Pennsylvania.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Pennsylvania that expires in 2026.

Education & Training

Residency

Completed their residency at Erlanger Medical Center.

Medical School

Graduated from Univ Of North Texas Health Science Center Texas College Of Osteopathic Med in 1994.

NPI Number

Dr. Willis, DO's NPI number is 1184605677.

Similar doctors

Frequently Asked Questions

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 my insurance?
You can see the insurance plans that Dr. Gregory Willis, DO accepts on their Vitals profile.
How can I make an appointment with Dr. Gregory Willis, DO?
You can find contact information for Dr. Gregory Willis, DO here on Vitals.
What languages does Dr. Gregory Willis, DO speak?
Dr. Gregory Willis, DO speaks English and Spanish.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.