CALIFORNIA RHEUMATOLOGY INSTITUTE INC
NPI 1326857772
Internal Medicine - Rheumatology in Huntington Park, CA

Q: What is California Rheumatology Institute Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Active since December 31, 2024

5725 SOTO ST, HUNTINGTON PARK, CA 90255(888) 367-1850 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 20, 2026, Jan 7, 2025, Dec 31, 2024 (3 updates tracked since 2024).

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About California Rheumatology Institute Inc NPPES

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

CALIFORNIA RHEUMATOLOGY INSTITUTE INC (NPI 1326857772), doing business as California Rheumatology Institute, is a healthcare organization registered as a rheumatology in Huntington Park, California and active in the NPI registry since December 2024. The organization lists Ezra Navid, Owner, as its authorized official.

NPPES Registry Identity

NPI1326857772

Entity TypeOrganization

Primary Taxonomy207RR0500X

Legal Business NameCALIFORNIA RHEUMATOLOGY INSTITUTE INC

Location Address5725 SOTO STHuntington Park, CA 90255-2630

Mailing Address3095 Old Conejo Rd Ste 224Thousand Oaks, CA 91320-2130 · (888) 367-1850 · Fax (805) 222-0323

Phone(888) 367-1850

Organization SubpartNo

Authorized OfficialEzra NavidOwner · (888) 367-1850

Enumeration DateDecember 31, 2024

Last NPPES UpdateMay 20, 20263 updates tracked since enumeration

NPPES CertifiedMay 20, 2026

✔ NPI 1326857772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

5725 SOTO ST, Huntington Park, CA 90255

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Other Names 1

Doing Business AsCalifornia Rheumatology Institute

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)

California Rheumatology Institute 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 California Rheumatology Institute Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Navid Ezra, M.D.

Rheumatology

NPI 1104110071

3095 OLD CONEJO RD SUITE 200
Thousand Oaks, CA 91320

(805) 222-5803

✔ PECOS✔ Accepts Medicare44 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 California Rheumatology Institute Inc's NPI number?

The NPI number for California Rheumatology Institute Inc is 1326857772. It was assigned to this organization in the NPPES registry on December 31, 2024. The provider is doing business as California Rheumatology Institute.

Where is California Rheumatology Institute Inc located?

California Rheumatology Institute Inc is located at 5725 Soto St, Huntington Park, CA 90255. The listed phone number is (888) 367-1850.

What is California Rheumatology Institute Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is California Rheumatology Institute Inc enrolled in Medicare?

Yes. California Rheumatology Institute Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through California Rheumatology Institute Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to California Rheumatology Institute 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 California Rheumatology Institute Inc was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.