Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Albert Ehrenfried, M.D.

Surgery Physician in Kingsport, TN · enumerated 2006.

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

National Provider Identifier

1841369402

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Registry record

Entity type Individual (Type 1)

Name Dr. John Albert Ehrenfried

Credential M.D.

Sex Male

Practice address 130 W Ravine Rd Ste 3a, Kingsport, TN, 37660

Phone (423) 245-6101

Enumeration date Nov 7, 2006

Last updated in NPPES Aug 27, 2024

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD34462 (TN) 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
007311095	Medicaid	VA	-
3046047	Medicaid	TN	-
3151526	Other	TN	BLUE CROSS TENNESSEE
382329	Other	VA	ANTHEM VIRGINIA BCBS
910000313	Other	TN	MEDICARE RAILROAD

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 John Ehrenfried?

The National Provider Identifier (NPI) for John Ehrenfried is 1841369402, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Ehrenfried practice?

The practice location on file with NPPES is in Kingsport, TN. 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 2024-08-27.