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FAMILY MEDICINE MARY CHAU DO INC
NPI 1932322351
Clinic/Center - Primary Care in Sun City, CA

Active since April 11, 2007
28125 BRADLEY RD, SUITE 240B, SUN CITY, CA 92586(951) 301-6366(951) 301-4336 Get Directions Write a Review

NPPES record last updated: September 23, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Family Medicine Mary Chau Do Inc NPPES

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

FAMILY MEDICINE MARY CHAU DO INC (NPI 1932322351) is a healthcare organization registered as a primary care in Sun City, California and active in the NPI registry since April 2007. The organization lists Mary C Chau, President, as its authorized official.

NPPES Registry Identity

NPI1932322351
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameFAMILY MEDICINE MARY CHAU DO INC
Location Address28125 BRADLEY RD, SUITE 240BSun City, CA 92586-2248
Mailing Address28125 Bradley Rd, Suite 240bSun City, CA 92586-2248 · (951) 301-6366 · Fax (951) 301-4336
Phone(951) 301-6366
Fax(951) 301-4336
Organization SubpartNo
Authorized OfficialMary C ChauPresident · (951) 301-6366
Enumeration DateApril 11, 2007
Last NPPES UpdateSeptember 23, 2010
✔ NPI 1932322351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License✔ Licensed in CA · 20A7618
28125 BRADLEY RD, Sun City, CA 92586
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINH51103CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Family Medicine Mary Chau Do Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20090601000126Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Family Medicine Mary Chau Do Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mary Chau, D.O.
Family Practice
NPI 1255365888
28125 BRADLEY RD SUITE 240B
Sun City, CA 92586
(951) 301-6366
✔ PECOSSame 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 Family Medicine Mary Chau Do Inc's NPI number?

The NPI number for Family Medicine Mary Chau Do Inc is 1932322351. It was assigned to this organization in the NPPES registry on April 11, 2007.

Where is Family Medicine Mary Chau Do Inc located?

Family Medicine Mary Chau Do Inc is located at 28125 Bradley Rd Suite 240B, Sun City, CA 92586. The listed phone number is (951) 301-6366.

What is Family Medicine Mary Chau Do Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Family Medicine Mary Chau Do Inc enrolled in Medicare?

Yes. Family Medicine Mary Chau Do Inc is registered in the Medicare PECOS enrollment system.

When is Family Medicine Mary Chau Do Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Family Medicine Mary Chau Do Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Family Medicine Mary Chau Do 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 Family Medicine Mary Chau Do Inc was last updated on September 23, 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.