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ALI M. ETEMADIAN, D.O., INC.
NPI 1477694156
Internal Medicine in Chino, CA

Active since February 08, 2007
5343 RIVERSIDE DR, CHINO, CA 91710(909) 591-6227(909) 591-6319 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ali M. Etemadian, D.o., Inc. NPPES

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

ALI M. ETEMADIAN, D.O., INC. (NPI 1477694156) is a healthcare organization registered as an internal medicine in Chino, California and active in the NPI registry since February 2007. The organization lists Ali M. Etemadian, Owner, as its authorized official.

NPPES Registry Identity

NPI1477694156
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameALI M. ETEMADIAN, D.O., INC.
Location Address5343 RIVERSIDE DRChino, CA 91710-4252
Mailing Address5343 Riverside DrChino, CA 91710-4252 · (909) 591-6227 · Fax (909) 591-6319
Phone(909) 591-6227
Fax(909) 591-6319
Organization SubpartNo
Authorized OfficialAli M. EtemadianOwner · (909) 591-6227
Enumeration DateFebruary 8, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1477694156 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A6377
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5343 RIVERSIDE DR, Chino, CA 91710
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Other Identifiers 1

Medicaid00AX63770CA

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)

Ali M. Etemadian, D.o., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ali M. Etemadian, D.O., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Ali Etemadian, D.O.
Internal Medicine
NPI 1316041718
5343 RIVERSIDE DR
Chino, CA 91710
(909) 591-6227
✔ PECOS✔ Accepts MedicareSame address

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 Ali M. Etemadian, D.O., Inc.'s NPI number?

The NPI number for Ali M. Etemadian, D.O., Inc. is 1477694156. It was assigned to this organization in the NPPES registry on February 8, 2007.

Where is Ali M. Etemadian, D.O., Inc. located?

Ali M. Etemadian, D.O., Inc. is located at 5343 Riverside Dr, Chino, CA 91710. The listed phone number is (909) 591-6227.

What is Ali M. Etemadian, D.O., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ali M. Etemadian, D.O., Inc. enrolled in Medicare?

Yes. Ali M. Etemadian, D.O., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ali M. Etemadian, D.O., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Ali M. Etemadian, D.O., 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ali M. Etemadian, D.O., Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.