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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

LESLIE ARNOLD BAIN MD
NPI 1306906128
Otolaryngology in Newport Beach, CA

Active since December 11, 2006
1441 AVOCADO AVENUE, SUITE 706, NEWPORT BEACH, CA 92660(949) 720-9170(949) 720-0755 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Leslie Arnold Bain Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LESLIE ARNOLD BAIN MD (NPI 1306906128) is an individual otolaryngology provider in Newport Beach, California, licensed in California (A24274) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1306906128
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameLESLIE ARNOLD BAINCredential: MD
Location Address1441 AVOCADO AVENUE, SUITE 706Newport Beach, CA 92660
Mailing Address1441 Avocado Avenue, Suite 706Newport Beach, CA 92660-7721 · (949) 720-9170 · Fax (949) 720-0755
Phone(949) 720-9170
Fax(949) 720-0755
Sole ProprietorNo
Enumeration DateDecember 11, 2006
Last NPPES UpdateJuly 26, 2026
✔ NPI 1306906128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · A24274
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
1441 AVOCADO AVENUE, Newport Beach, CA 92660
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT JOHN CAVALIERI DDS
Dentist (Endodontics)
1441 AVOCADO AVENUE, SUITE 401
NEWPORT BEACH, CA 92660
Orange County (949) 644-0595

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leslie Bain's NPI number?

The NPI number for Leslie Bain is 1306906128. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Leslie Bain located?

Leslie Bain practices at 1441 Avocado Avenue Suite 706, Newport Beach, CA 92660. The listed phone number is (949) 720-9170.

What is Leslie Bain's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

When was this NPI record last updated?

The NPPES record for Leslie Bain was last updated on July 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.