Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elizabeth Mathew, MD

Rheumatology Physician in Watertown, NY · enumerated 2013.

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

National Provider Identifier

1346589132

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Registry record

Entity type Individual (Type 1)

Name Dr. Elizabeth Mathew

Credential MD

Sex Female

Practice address 629 Washington St, Watertown, NY, 13601

Phone (131) 575-5345

Enumeration date Feb 13, 2013

Last updated in NPPES Oct 3, 2023

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 306971 (NY) Primary

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

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 is the NPI number for Elizabeth Mathew?

The National Provider Identifier (NPI) for Elizabeth Mathew is 1346589132, a Type 1 (individual) record in the CMS NPPES registry.

Where does Elizabeth Mathew practice?

The practice location on file with NPPES is in Watertown, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-03.