Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elizabeth B Tarnell, MD

Internal Medicine Physician in Dedham, MA · enumerated 2005.

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

National Provider Identifier

1942209390

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Registry record

Entity type Individual (Type 1)

Name Elizabeth B Tarnell

Credential MD

Sex Female

Practice address 1 Lyons St, Dedham, MA, 02026

Phone (781) 329-1400

Fax (781) 326-5760

Enumeration date Jul 19, 2005

Last updated in NPPES Oct 7, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 73363 (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
0016052	Other	-	NEIGHBORHOOD HEALTH PLAN
073363	Other	-	TUFTS TOTAL HEALTH PLAN
48-00085	Other	-	UNITED HEALTHCARE HMO/PPO
61325	Other	-	HARVARD PILGRIM PPO
J10302	Other	-	BS-BLUE CARE ELECT
110116275	Other	-	RAILROAD MEDICARE
3069877	Other	-	MASS.HEALTH(DIV.MEDSVCS)
073363	Other	-	TUFTS
073363	Other	-	TUFTS COMMONWEALTH PPO
E60752	Other	-	FIRST SENIORITY
J10302	Other	-	BLUE SHIELD - INDEMNITY
J10302	Other	-	HMO BLUE/BLUE CHOICE
073363	Other	-	TUFTS BENEFIT ADMIN.
27722	Other	-	CHILDREN'S MED. SECURITY
5420596	Other	-	HEALTHSOURCE MASSACHUSETT
61325	Other	-	HARVARD PILGRIM POS
5420598	Other	-	CIGNA HEALTH CARE
61325	Other	-	HARVARD PILGRIM

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.

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Frequently asked questions

What is the NPI number for Elizabeth Tarnell?

The National Provider Identifier (NPI) for Elizabeth Tarnell is 1942209390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Elizabeth Tarnell practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-07.