Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Reza J Karimi, M.D.

Neurological Surgery Physician in Paramus, NJ · enumerated 2008 · practices at New Jersey Brain & Spine PC.

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

National Provider Identifier

1891950788

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Registry record

Entity type Individual (Type 1)

Name Dr. Reza J Karimi

Credential M.D.

Sex Male

Practice address Paramus, NJ, 07652

Phone (201) 342-2550

Enumeration date Jul 21, 2008

Last updated in NPPES Dec 19, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 25MA08451100 (NJ) Primary

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License 25MA08451100 (NJ) Secondary

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
1891950788	Other	NJ	NPI

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 Reza Karimi?

Reza Karimi is registered in NPPES with the primary taxonomy of Neurological Surgery 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 2024-12-19.