Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mani Nathan Nair, MD

Q: What is the NPI number for Mani Nair?

The National Provider Identifier (NPI) for Mani Nair is 1154423762, a Type 1 (individual) record in the CMS NPPES registry.

Neurological Surgery Physician in Washington, DC · enumerated 2006.

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

National Provider Identifier

1154423762

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Registry record

Entity type Individual (Type 1)

Name Mani Nathan Nair

Credential MD

Sex Male

Practice address 3800 Reservoir Rd Nw, Washington, DC, 20007

Phone (202) 444-0719

Fax (202) 444-7344

Enumeration date Sep 3, 2006

Last updated in NPPES Aug 11, 2020

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License ML20007453 (WA) Secondary

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MD038939 (DC) 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
P00894811	Other	DC	RAILROAD MEDICARE

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 Mani Nair?

The National Provider Identifier (NPI) for Mani Nair is 1154423762, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mani Nair practice?

The practice location on file with NPPES is in Washington, DC. 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 2020-08-11.