JP
John P. Katzenberg
- Practice location
- 292 Main St., Groton, MA 01450
- Phone
- (978) 448-6855
- NPI number
- 1689716813
About Internal Medicine Physician
All Internal Medicine Physician →A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly.
Verify this provider
Confirm this record on the official CMS NPI Registry — the U.S. government system of record for provider identifiers.
View official NPI record How to verify any provider →Before your visit
- Confirm they’re accepting new patients
- Ask whether they’re in-network for your insurance
- Check hours and whether telehealth is offered
- Bring a photo ID and your insurance card
Are you this provider?
Claim this listing to keep your information up to date.
More Internal Medicine Physician in Groton
View all →GMHWASAHVS
Groton Medical Associates, Llc
Internal Medicine Physician
Groton, MA(978) 448-4300
Hilde Westvik, MD
Internal Medicine Physician
Groton, MA(978) 449-0282
Alla Sarkisyan, MD
Internal Medicine Physician
Groton, MA(978) 449-0471
Alfred Heinser, MD
Internal Medicine Physician
Groton, MA(978) 448-4300
Vandana Sahay, MD
Internal Medicine Physician
Groton, MA(978) 784-9975