Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert F Meirowitz, MD

Gastroenterology Physician in Princeton, NJ · enumerated 2005.

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

National Provider Identifier

1639179252

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Registry record

Entity type Individual (Type 1)

Name Robert F Meirowitz

Credential MD

Sex Male

Practice address 731 Alexander Rd, Suite 100, Princeton, NJ, 08540

Phone (609) 924-1422

Fax (609) 924-7473

Enumeration date Jul 26, 2005

Last updated in NPPES Dec 11, 2019

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 25MA04673100 (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
0402010000	Other	-	AMERIHEALTH HMO
0701602	Medicaid	NJ	-
0821011000	Other	-	KEYSTONE
0575596005	Other	-	CIGNA
100011025	Other	-	RAILROAD MEDICARE
ME5047	Other	-	OXFORD
000795866	Other	-	AMERIHEALTH PERS. CHOICE
00795866	Other	-	INDEPENDENCE BLUE CROSS
0505717	Other	-	AETNA
100010294	Other	-	MCR-RR

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 Robert Meirowitz?

The National Provider Identifier (NPI) for Robert Meirowitz is 1639179252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Robert Meirowitz practice?

The practice location on file with NPPES is in Princeton, NJ. 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 2019-12-11.