NPI Portal NPI Lookup & Verification

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

Dr. Antoine Jean Elhajjar, M.D.

Specialist in La Quinta, CA · enumerated 2006 · practices at Antoine J Elhajjar M.D., Inc..

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

National Provider Identifier

1558328203

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Antoine Jean Elhajjar
Credential M.D.
Sex Male
Practice address La Quinta, CA, 92253
Phone (760) 340-0528
Fax (760) 674-1590
Enumeration date Apr 27, 2006
Last updated in NPPES Jul 7, 2020

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

Taxonomy & licenses

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License A53481 (CA) Secondary
2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License A53481 (CA) Secondary
261QS1200X Sleep Disorder Diagnostic Clinic/Center Ambulatory Health Care Facilities Secondary
174400000X Specialist Other Service Providers · License A53481 (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

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.
What specialty is Antoine Elhajjar?
Antoine Elhajjar is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-07.