Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karnan Rajkumar, MD

Student in an Organized Health Care Education/Training Program in Hackensack, NJ · enumerated 2024.

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

National Provider Identifier

1043062912

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Registry record

Entity type Individual (Type 1)

Name Dr. Karnan Rajkumar

Credential MD

Sex Male

Practice address 20 Prospect Ave Ste 409, Hackensack, NJ, 07601

Phone (551) 996-3942

Enumeration date Apr 3, 2024

Last updated in NPPES Apr 3, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Karnan Rajkumar?

The National Provider Identifier (NPI) for Karnan Rajkumar is 1043062912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karnan Rajkumar practice?

The practice location on file with NPPES is in Hackensack, 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 2024-04-03.