Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Vijay Raj Nagarajan, M.D.

Hospitalist Physician in Cypress, TX · enumerated 2008.

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

National Provider Identifier

1427212158

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Registry record

Entity type Individual (Type 1)

Name Dr. Vijay Raj Nagarajan

Credential M.D.

Sex Male

Practice address 27800 Northwest Fwy Ste 4201, Cypress, TX, 77433

Phone (346) 231-4628

Enumeration date Jul 11, 2008

Last updated in NPPES Sep 19, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License P8516 (TX) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 52760 (WI) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License P8516 (TX) 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
1427212158	Medicaid	WI	-
73840-0606	Other	WI	MEDICARE PTAN

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 specialty is Vijay Raj Nagarajan?

Vijay Raj Nagarajan is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-19.