0 reviews
Summary
Dr. Gassert graduated from the Rutgers New Jersey Medical School in 1992. He works in Manchester, NH and 2 other locations and specializes in Public Health & General Preventive Medicine, Internal Medicine and Preventative Medicine. Dr. Gassert is affiliated with Umass Memorial Marlborough Hospital.
Quick Facts
- 34 years of experience
- speaks Spanish, Portuguese
- Johns Hopkins Health System
- 3 specialties
- 2 areas of expertise
- 3 board certifications
- 1 hospital affiliation
- 3 office locations
- Male
Office Locations
Dr. Thomas Hayes Gassert has 3 locationsUmass Memorial Marlborough Hospital
157 Union StMarlborough, MA 01752Mon7:00 am - 2:30 pm
Tue7:00 am - 2:30 pm
Wed7:00 am - 2:30 pm
Thu7:00 am - 2:30 pm
Fri7:00 am - 2:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Thomas Hayes Gassert, MD | Dr. Godfrey Douglas Adamson Jr | Dr. Leon Charles Haas | Dr. Joel Bernard Hellmann |
| Public Health & General Preventive Medicine | Preventative Medicine | Emergency Medicine | Emergency Medicine |
| 34 Years of Experience | 69 Years of Experience | 54 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Spanish, Portuguese | |||
| Manchester , NH | Manchester , NH | Manchester , NH | Methuen , MA |
| Med School: Rutgers New Jersey Medical School | Med School: Vanderbilt University | Med School: Univ Of Toronto Fac Of Med | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Thomas Hayes Gassert
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Thomas Hayes Gassert has the following 3 specialties
Specialty Expertise
Dr. Thomas Hayes Gassert has the following 2 areas of expertise
Certifications, License, & Education
34 Years Experience
Education & Training
Residency
Completed their residency at Johns Hopkins Health System.
Medical School
Graduated from Rutgers New Jersey Medical School in 1992.
NPI Number
Dr. Gassert's NPI number is 1316994106.
Similar doctors
Frequently Asked Questions
- Which hospitals is Dr. Thomas Hayes Gassert affiliated with?
- Dr. Thomas Hayes Gassert is affiliated with Umass Memorial Marlborough Hospital.
- Does Dr. Thomas Hayes Gassert accept my insurance?
- You can see the insurance plans that Dr. Thomas Hayes Gassert accepts on their Vitals profile.
- How can I make an appointment with Dr. Thomas Hayes Gassert?
- You can find contact information for Dr. Thomas Hayes Gassert here on Vitals.
- Does Dr. Thomas Hayes Gassert accept virtual/telehealth appointments?
- Dr. Thomas Hayes Gassert has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. Thomas Hayes Gassert accepting new patients?
- Dr. Thomas Hayes Gassert 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.



