Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas M Kiefer, M.D.

Anatomic Pathology & Clinical Pathology Physician in Fall River, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1396717674

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas M Kiefer

Credential M.D.

Sex Male

Practice address 363 Highland Ave, Charlton Hospital, Fall River, MA, 02720

Phone (508) 679-7398

Enumeration date Feb 2, 2006

Last updated in NPPES Jul 13, 2026

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 48078 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
6184685	Medicaid	MA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Thomas Kiefer?

Thomas Kiefer is registered in NPPES with the primary taxonomy of Anatomic Pathology & Clinical Pathology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-13.