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HSIAO-FEN CHEN MD INC
NPI 1902844517
Family Medicine in San Gabriel, CA

Active since June 04, 2006CLIA 05D1006011 · Waiver
140 W VALLEY BLVD, SUITE 220, SAN GABRIEL, CA 91776(626) 307-0797(626) 307-0805 Get Directions Write a Review

NPPES record last updated: January 23, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hsiao-fen Chen Md Inc NPPES

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

HSIAO-FEN CHEN MD INC (NPI 1902844517) is a healthcare organization registered as a family medicine in San Gabriel, California and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through November 4, 2026, maintains a secondary practice location in Monterey Park, and lists Hsiao-fen Chen, Owner, as its authorized official.

NPPES Registry Identity

NPI1902844517
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameHSIAO-FEN CHEN MD INC
Location Address140 W VALLEY BLVD, SUITE 220San Gabriel, CA 91776-3760
Mailing AddressPo Box 798Rosemead, CA 91770-0798 · (626) 307-0797 · Fax (626) 307-0805
Phone(626) 307-0797
Fax(626) 307-0805
Organization SubpartNo
Authorized OfficialHsiao-fen ChenOwner · (626) 307-0797
Enumeration DateJune 4, 2006
Last NPPES UpdateJanuary 23, 2023
NPPES CertifiedJanuary 23, 2023
✔ NPI 1902844517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A54242
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
140 W VALLEY BLVD, San Gabriel, CA 91776
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Secondary Practice Location 1

Location 1223 N Garfield Ave Ste 305Monterey Park, CA 91754-1700 · Phone (626) 307-0797

Other Identifiers 1

MedicaidGR0103020CA

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)

Hsiao-fen Chen Md 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 Hsiao-Fen Chen MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Hsiao Fen Chen, M.D
Family Practice
NPI 1366483497
140 W VALLEY BLVD SUITE 220
San Gabriel, CA 91776
(626) 307-0797
✔ PECOSSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1006011

Hsiao-Fen Chen MD Inc · Monterey Park, CA
Active · expires Nov 4, 2026
CLIA Number05D1006011
Laboratory TypePhysician Office
Certificate Effective DateNovember 5, 2024
Certificate Expiration DateNovember 4, 2026
Laboratory DirectorHsiao Fen Chen
Laboratory Phone(626) 307-0797
Laboratory LocationHsiao-Fen Chen MD Inc223 N Garfield Ave, Ste 305, Monterey Park, CA 91754
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Hsiao-Fen Chen MD Inc's NPI number?

The NPI number for Hsiao-Fen Chen MD Inc is 1902844517. It was assigned to this organization in the NPPES registry on June 4, 2006.

Where is Hsiao-Fen Chen MD Inc located?

Hsiao-Fen Chen MD Inc is located at 140 W Valley Blvd Suite 220, San Gabriel, CA 91776. The listed phone number is (626) 307-0797.

What is Hsiao-Fen Chen MD Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Hsiao-Fen Chen MD Inc enrolled in Medicare?

Yes. Hsiao-Fen Chen MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hsiao-Fen Chen MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Hsiao-Fen Chen 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hsiao-Fen Chen MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1006011) is associated with this NPI, valid through November 4, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hsiao-Fen Chen MD Inc was last updated on January 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.