Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Francis Karnish, D. O.

Family Medicine Physician in Georgetown, DE · enumerated 2006 · practices at Fellowship Health Resources, Inc.

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

National Provider Identifier

1427002690

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Registry record

Entity type Individual (Type 1)

Name Joseph Francis Karnish

Credential D. O.

Sex Male

Practice address 505 W Market St, Suite 110, Georgetown, DE, 19947

Phone (302) 856-7099

Fax (302) 856-3247

Enumeration date May 20, 2006

Last updated in NPPES Nov 12, 2013

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License C20003297 (DE) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
0080854000	Other	-	AMERIHEALTH - GROUP
51022447011	Other	-	CORESOURCE
0111261000	Other	-	AMERIHEALTH - INDIVIDUAL
2025435	Other	-	AETANA - GROUP
510224470	Other	-	MAMSI - GROUP
KX47MI	Other	MD	BCBS - GROUP
2025427	Other	-	AETNA - INDIVIDUAL
0002	Other	-	CARE FIRST DC - INDIV
284207	Other	-	MAMSI - INDIVI
KX47MI	Other	MD	CARE FIRST - GROUP
1065104001	Other	-	CIGNA
G253	Other	DC	CARE FIRST DC - GROUP
0000030403	Medicaid	DE	-
51022463A	Other	DE	BLUE CROSS BLUE SHIELD
61375201	Other	MD	BLUE CROSS BLUE S - INDIV
0000133204	Medicaid	DE	-
61375201	Other	MD	CARE FIRST - INDIV
54673	Other	-	COVENTRY

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 Joseph Karnish?

The National Provider Identifier (NPI) for Joseph Karnish is 1427002690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Karnish practice?

The practice location on file with NPPES is in Georgetown, DE. 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 2013-11-12.