Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nader Kalantar, M.D.

Otolaryngology Physician in San Dimas, CA · enumerated 2006.

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

National Provider Identifier

1598854978

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Registry record

Entity type Individual (Type 1)

Name Nader Kalantar

Credential M.D.

Sex Male

Practice address 1334 W Covina Blvd, Suite 201, San Dimas, CA, 91773

Phone (909) 592-2078

Fax (909) 592-0279

Enumeration date Oct 12, 2006

Last updated in NPPES Dec 14, 2016

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License TRN10472 (FL) Secondary

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License A115578 (CA) 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 Nader Kalantar?

The National Provider Identifier (NPI) for Nader Kalantar is 1598854978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nader Kalantar practice?

The practice location on file with NPPES is in San Dimas, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-14.