ENT INSTITUTE OF CALIFORNIA
NPI 1518429653
Specialist in San Dimas, CA

Q: What is Nader Kalantar MD Inc's NPI number?

The NPI number for Nader Kalantar MD Inc is 1518429653. It was assigned to this organization in the NPPES registry on April 5, 2019. The provider is doing business as Ent Institute Of California.

Q: What is Nader Kalantar MD Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Active since April 05, 2019

1334 W COVINA BLVD STE 201, SAN DIMAS, CA 91773(909) 592-2078(909) 592-0279 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2024, Apr 20, 2021, Apr 5, 2019 (3 updates tracked since 2019).

On this page

About Ent Institute Of California NPPES

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

ENT INSTITUTE OF CALIFORNIA (NPI 1518429653) is a healthcare organization registered as a specialist in San Dimas, California and active in the NPI registry since April 2019. The organization lists Nader Kalantar, President, as its authorized official.

NPPES Registry Identity

NPI1518429653

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameNADER KALANTAR MD INC

Location Address1334 W COVINA BLVD STE 201San Dimas, CA 91773-3211

Mailing Address1334 W Covina Blvd Ste 201San Dimas, CA 91773-3211 · (909) 592-2078 · Fax (909) 592-0279

Phone(909) 592-2078

Fax(909) 592-0279

Organization SubpartNo

Authorized OfficialNader KalantarPresident · (909) 592-2078

Enumeration DateApril 5, 2019

Last NPPES UpdateOctober 15, 20243 updates tracked since enumeration

NPPES CertifiedOctober 15, 2024

✔ NPI 1518429653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

1334 W COVINA BLVD STE 201, San Dimas, CA 91773

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Other Names 1

Doing Business AsEnt Institute Of California

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ent Institute Of California is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Ent Institute Of California, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Leon Bachoura, M.D.

Otolaryngology

NPI 1821167925

1334 W COVINA BLVD STE 201
San Dimas, CA 91773

(909) 592-2078

✔ PECOS0.2 mi

Nader Kalantar, M.D.

Otolaryngology

NPI 1598854978

1334 W COVINA BLVD SUITE 201
San Dimas, CA 91773

(909) 592-2078

✔ PECOS✔ Accepts Medicare0.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Nader Kalantar MD Inc's NPI number?

The NPI number for Nader Kalantar MD Inc is 1518429653. It was assigned to this organization in the NPPES registry on April 5, 2019. The provider is doing business as Ent Institute Of California.

Where is Nader Kalantar MD Inc located?

Nader Kalantar MD Inc is located at 1334 W Covina Blvd Ste 201, San Dimas, CA 91773. The listed phone number is (909) 592-2078.

What is Nader Kalantar MD Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Nader Kalantar MD Inc enrolled in Medicare?

Yes. Nader Kalantar MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nader Kalantar MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Otolaryngology, reassign their Medicare billing to Nader Kalantar MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Nader Kalantar MD Inc was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.