Internal Medicine, Geriatric Medicine
Dr. CLAUS HAMANN MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1861483752 · enumerated 2005-10-31 · record updated 2020-01-03. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 1400 COMPUTER DR STE 301, WESTBOROUGH, MA, 01581-1790 (617) 420-5316 Google Maps Apple Maps OpenStreetMap
- Mailing address 797 WILSON ST, BEACON HEALTH, BREWER, ME, 04412-1000 (207) 973-5692 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 75389 MA
- Internal Medicine, Geriatric Medicine 207RG0300X · License 75389 MA
- Internal Medicine, Geriatric Medicine 207RG0300X · Primary · License MD20639 ME
In this directory
MA Worcester County Westborough Internal Medicine, Geriatric Medicine
Locations and evidence
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Practice location
WESTBOROUGH, MA, 015811790
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.