Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Jeffrey Todd Stern, MD

Internal Medicine Physician in Watertown, CT · enumerated 2006.

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

National Provider Identifier

1871688531

Verified

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Registry record

Entity type Individual (Type 1)

Name Dr. Jeffrey Todd Stern

Credential MD

Sex Male

Practice address Watertown, CT, 06795

Phone (860) 274-2418

Fax (860) 274-2986

Enumeration date Oct 4, 2006

Last updated in NPPES Nov 13, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 021487 (CT) 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
010021487CT01	Other	CT	ANTHEM BLUE CROSS
06-1009203	Other	CT	PROVIDER NUMBER
706203	Other	CT	CONNECTICARE
P1009203	Other	CT	OXFORD
06-1009203	Other	CT	UNITED HEALTHCARE

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

Where does Jeffrey Stern practice?

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

What is the NPI number for Jeffrey Stern?

The National Provider Identifier (NPI) for Jeffrey Stern is 1871688531, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-11-13.