DR. CLAUS HAMANN MD
NPI 1861483752
Internal Medicine - Geriatric Medicine in Westborough, MA

Active since October 31, 2005
1400 COMPUTER DR STE 301, WESTBOROUGH, MA 01581(617) 420-5316 Get Directions Write a Review

NPPES record last updated: January 3, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 3, 2020, Nov 26, 2019, Oct 28, 2019 and 1 more (4 updates tracked since 2015).

About Dr. Claus Hamann Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CLAUS HAMANN MD (NPI 1861483752) is an individual geriatric medicine provider in Westborough, Massachusetts, licensed in Maine (MD20639) and active in the NPI registry since October 2005. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861483752
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. CLAUS HAMANNCredential: MD
Location Address1400 COMPUTER DR STE 301Westborough, MA 01581-1790
Mailing Address797 Wilson St, Beacon HealthBrewer, ME 04412-1000 · (207) 973-5692
Sole ProprietorNo
Enumeration DateOctober 31, 2005
Last NPPES UpdateJanuary 3, 20204 updates tracked since enumeration
NPI 1861483752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Licenses Licensed in ME · MD20639 Licensed in MA · 75389
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Also ListedInternal MedicineTaxonomy 207R00000X · License 75389 (MA)
1400 COMPUTER DR STE 301, Westborough, MA 01581

Secondary Practice Locations 2

Location 1992 Union St, Penobscot Community Health CenterBangor, ME 04401-3057 · Phone (207) 992-2601
Location 210 Dorrance St Ste 700Providence, RI 02903-2014 · Phone (833) 229-0957

Other Identifiers 3

Medicaid3106594MA
Other075389MA · Tufts Health Plan
OtherJ13619MA · Bcbs Ma

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Nurse Practitioner (Adult Health)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Nurse Practitioner
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Physician Assistant
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Internal Medicine (Geriatric Medicine)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
Nurse Practitioner (Family)
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581
General Practice
1400 COMPUTER DR STE 301
WESTBOROUGH, MA 01581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Claus Hamann's NPI number?

The NPI number for Claus Hamann is 1861483752. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Claus Hamann located?

Claus Hamann practices at 1400 Computer Dr Ste 301, Westborough, MA 01581. The listed phone number is (617) 420-5316.

What is Claus Hamann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

When was this NPI record last updated?

The NPPES record for Claus Hamann was last updated on January 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.