0 reviews
Summary
Dr. Peter Sullivan is a gastroenterologist who also practices internal medicine. He earned his medical degree from St. Georges University School of Medicine and brings eight years of experience to his practice. His dual specialty training allows him to provide comprehensive digestive health care while also addressing broader internal medicine needs.
Dr. Sullivan practices at multiple locations throughout central Massachusetts, including Worcester and Marlborough. He specializes in treating conditions such as upper GI bleeding, gastritis, and esophagitis. His procedural expertise includes upper GI endoscopy, laparoscopy, and lower GI endoscopy, which help diagnose and treat various digestive system disorders.
Dr. Sullivan practices at multiple locations throughout central Massachusetts, including Worcester and Marlborough. He specializes in treating conditions such as upper GI bleeding, gastritis, and esophagitis. His procedural expertise includes upper GI endoscopy, laparoscopy, and lower GI endoscopy, which help diagnose and treat various digestive system disorders.
Overview based on verified provider data
Quick Facts
- 8 years of experience
- 2 insurance plans accepted
- St Georges University School Of Medicine
- 2 specialties
- 1 area of expertise
- 3 office locations
- Male
Office Locations
Dr. Peter Sullivan has 3 locationsCompare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Peter Sullivan, MD | Ashley Anderson, APRN | Jan Seiler, APRN | Theresa Obonyano, APRN |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 8 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| Worcester , MA | Sacramento , CA | Montgomery , AL | Sacramento , CA |
| Med School: St Georges University School Of Medicine | Med School: East Tennessee State University - Quillen College of Medicine | Med School: Georgia State University | Med School: The University of Texas Health Science Center at Houston |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Peter Sullivan
Medical Specialties
Dr. Peter Sullivan has the following 2 specialties
Specialty Expertise
Dr. Peter Sullivan has the following area of expertise
Certifications, License, & Education
8 Years Experience
Dr. Peter Sullivan holds an active medical license in the states of Massachusetts and California.
Medical License
Medical Doctor with an active medical license in the state of Massachusetts that expires in 2026 and an active medical license in the state of California that expires in 2027.
Education & Training
Medical School
Graduated from St Georges University School Of Medicine in 2018.
NPI Number
Dr. Sullivan's NPI number is 1538664016.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. Peter Sullivan?
- You can find contact information for Dr. Peter Sullivan here on Vitals.
- Does Dr. Peter Sullivan accept virtual/telehealth appointments?
- Dr. Peter Sullivan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Peter Sullivan's office located?
- Dr. Peter Sullivan's office is located at 55 Lake Ave N, Worcester, MA, 01655.
- Does Dr. Peter Sullivan accept my insurance?
- You can see the insurance plans that Dr. Peter Sullivan accepts on their Vitals profile.
- Is Dr. Peter Sullivan accepting new patients?
- Dr. Peter Sullivan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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.




