Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Timothy C Gjenvick, M.D.

Internal Medicine Physician in Monroe Twp, NJ · enumerated 2006.

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

National Provider Identifier

1003905498

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Registry record

Entity type Individual (Type 1)

Name Timothy C Gjenvick

Credential M.D.

Sex Male

Practice address 1600 Perrineville Rd, Monroe Twp, NJ, 08831

Phone (609) 924-9300

Fax (609) 430-9451

Enumeration date Oct 12, 2006

Last updated in NPPES Mar 12, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25MA03470600 (NJ) 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
162296	Other	NJ	AMERIHLTH ADMIN-PCP
2647154	Other	NJ	AETNA HMO&NON HMO-PCP
249681	Other	NJ	UNITEDE HEALTHCARE-PCP
LS403	Other	NJ	OXFORD-PCP
110246529	Other	NJ	RAILROAD MED-PRINCETON
0085740000	Other	NJ	AMERIHEALTH/IBC-PCP
110244288	Other	NJ	RAILROAD MED.-MONROE
3150305	Medicaid	NJ	-

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 Timothy Gjenvick?

The National Provider Identifier (NPI) for Timothy Gjenvick is 1003905498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Timothy Gjenvick practice?

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

Other providers at this practice address

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Lawrence Klein Dentist · Monroe Township, NJ NPI 1770590887 Monroe Dental Group Dentist · Monroe Township, NJ NPI 1992712004 Adam Klein General Practice Dentistry · Monroe Township, NJ NPI 1083621841 Steven Giarratano General Practice Dentistry · Monroe Twp, NJ NPI 1871506246 Steven J Giarratano,DDS,PA Dental Clinic/Center · Monroe Twp, NJ NPI 1043223415 Keith Sherrow Internal Medicine Physician · Monroe Township, NJ NPI 1225130701 Henry Wachtmann Chiropractor · Monroe Township, NJ NPI 1831279900 Bruce Kern Periodontics · Monroe Township, NJ NPI 1326181389

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-12.