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Summary
Dr. Gregory Zahner treats impaired immunity, acute myeloid leukemia, and cytomegalovirus (CMV) infection as part of his internal medicine practice. He is affiliated with Massachusetts General Hospital and UCSF Helen Diller Medical Center at Parnassus Heights, and has six years of experience. Dr. Zahner earned his medical degree from the University of California San Francisco School of Medicine and sees patients in Boston, Massachusetts.
Overview based on verified provider data
Quick Facts
- 6 years of experience
- University Of California San Francisco School Of Medicine
- 1 specialty
- 2 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Gregory James Zahner has 2 locationsMgh Internal Medicine Associates
15 Parkman St Fl 6Boston, MA 02114 Tel: (617) 726-2375
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Gregory James Zahner | Dr. Linda Kinch, MD | Kerry L. Folkman, MSN, NP-C | Dr. Sanjiban Dey, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 6 Years of Experience | 38 Years of Experience | 16 Years of Experience | 8 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Boston , MA | Worcester , MA | Brookline , MA | Stoneham , MA |
| Med School: University Of California San Francisco School Of Medicine | Med School: Georgetown University School of Medicine | Med School: Regis College | Med School: Dhaka Medical College And Hospital |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gregory James Zahner
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Gregory James Zahner has the following specialty
Certifications, License, & Education
6 Years Experience
Dr. Gregory James Zahner holds expired and active medical licenses in the states of Massachusetts and California.
Medical License
Medical Doctor with an expired medical license in the state of Massachusetts that expired in 2026 and an active medical license in the state of California that expires in 2027.
Education & Training
Medical School
Graduated from University Of California San Francisco School Of Medicine in 2020.
NPI Number
Dr. Zahner's NPI number is 1427685767.
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Frequently Asked Questions
- Is Dr. Gregory Zahner accepting new patients?
- Dr. Gregory Zahner has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Gregory Zahner's office located?
- Dr. Gregory Zahner's office is located at 55 Fruit St, Boston, MA, 02114.
- Does Dr. Gregory Zahner accept virtual/telehealth appointments?
- Dr. Gregory Zahner has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Gregory Zahner accept my insurance?
- You can see the insurance plans that Dr. Gregory Zahner accepts on their Vitals profile.
- How can I make an appointment with Dr. Gregory Zahner?
- You can find contact information for Dr. Gregory Zahner here on Vitals.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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