1. Home
  2. Directory
  3. California
  4. Rosemead
  5. General Practice
  6. NPI Profile

RUBEN M RUIZ III MD INC
NPI 1942449442
General Practice in Rosemead, CA

Active since February 07, 2009
3012 SAN GABRIEL BLVD, ROSEMEAD, CA 91770(626) 572-8692(310) 414-3515 Get Directions Write a Review

NPPES record last updated: August 2, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ruben M Ruiz Iii Md Inc NPPES

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

RUBEN M RUIZ III MD INC (NPI 1942449442) is a healthcare organization registered as a general practice in Rosemead, California and active in the NPI registry since February 2009. The organization lists Ruben M Ruiz, President, as its authorized official.

NPPES Registry Identity

NPI1942449442
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameRUBEN M RUIZ III MD INC
Location Address3012 SAN GABRIEL BLVDRosemead, CA 91770-2536
Mailing Address3012 San Gabriel BlvdRosemead, CA 91770-2536 · (626) 572-8692 · Fax (310) 414-3515
Phone(626) 572-8692
Fax(310) 414-3515
Organization SubpartNo
Authorized OfficialRuben M RuizPresident · (310) 408-2999
Enumeration DateFebruary 7, 2009
Last NPPES UpdateAugust 2, 2010
✔ NPI 1942449442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A78287
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
3012 SAN GABRIEL BLVD, Rosemead, CA 91770
Open in Google Maps ↗

Other Identifiers 1

Medicare PINCL456ACA

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)

Ruben M Ruiz Iii Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Ruben M Ruiz III MD Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Ruben Ruiz, MD
Family Practice
NPI 1699701581
3012 SAN GABRIEL BLVD
Rosemead, CA 91770
(626) 572-8692
✔ PECOS✔ Accepts MedicareSame address
Juan Sam, MD
Internal Medicine
NPI 1033278031
3342 WHITTIER BLVD
Los Angeles, CA 90023
(323) 267-1214
✔ PECOS✔ Accepts Medicare6.9 mi
Christine Mac, NP
Nurse Practitioner
NPI 1104363720
11865 FIRESTONE BLVD
Norwalk, CA 90650
(562) 806-1214
✔ PECOS10 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 Ruben M Ruiz III MD Inc's NPI number?

The NPI number for Ruben M Ruiz III MD Inc is 1942449442. It was assigned to this organization in the NPPES registry on February 7, 2009.

Where is Ruben M Ruiz III MD Inc located?

Ruben M Ruiz III MD Inc is located at 3012 San Gabriel Blvd, Rosemead, CA 91770. The listed phone number is (626) 572-8692.

What is Ruben M Ruiz III MD Inc's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Ruben M Ruiz III MD Inc enrolled in Medicare?

Yes. Ruben M Ruiz III MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ruben M Ruiz III MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Ruben M Ruiz III MD Inc, in Family Practice, Internal Medicine and Nurse Practitioner. 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, 1 practice at this address and 2 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 Ruben M Ruiz III MD Inc was last updated on August 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.