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GARVEY MEDICAL CENTER
NPI 1124078860
Internal Medicine in Monterey Park, CA

Active since May 11, 2006CLIA 05D1003370 · Waiver
201 W GARVEY AVE, SUITE 108, MONTEREY PARK, CA 91754(626) 573-2188(626) 573-1345 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 4, 2025, Jan 28, 2020 (2 updates tracked since 2020).

About Garvey Medical Center NPPES

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

GARVEY MEDICAL CENTER (NPI 1124078860) is a healthcare organization registered as an internal medicine in Monterey Park, California and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through August 27, 2028 and lists Ray Hsiao, Ceo, as its authorized official.

NPPES Registry Identity

NPI1124078860
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGARVEY MEDICAL CENTER
Location Address201 W GARVEY AVE, SUITE 108Monterey Park, CA 91754-7420
Mailing Address201 W Garvey Ave Ste 108Monterey Park, CA 91754-7420 · (626) 573-2188 · Fax (626) 573-1345
Phone(626) 573-2188
Fax(626) 573-1345
Organization SubpartNo
Authorized OfficialRay HsiaoCeo · (626) 573-2188
Enumeration DateMay 11, 2006
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1124078860 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
201 W GARVEY AVE, Monterey Park, CA 91754
Open in Google Maps ↗

Other Identifiers 2

MedicaidG0087570CA
Other4399233CA · Pin

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Garvey Medical Center 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 Garvey Medical Center, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ray Hsiao, MD
Internal Medicine
NPI 1164507869
1850 S AZUSA AVE SUITE 308
Hacienda Heights, CA 91745
(626) 854-7866
✔ PECOS✔ Accepts Medicare12 mi

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 05D1003370

Garvey Medical Center · Monterey Park, CA
Active · expires Aug 27, 2028
CLIA Number05D1003370
Laboratory TypePhysician Office
Certificate Effective DateAugust 28, 2026
Certificate Expiration DateAugust 27, 2028
Laboratory DirectorRay Hsiao MD
Laboratory Phone(626) 573-2188
Laboratory LocationGarvey Medical Center201 W Garvey Ave Ste 108, 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 Garvey Medical Center's NPI number?

The NPI number for Garvey Medical Center is 1124078860. It was assigned to this organization in the NPPES registry on May 11, 2006.

Where is Garvey Medical Center located?

Garvey Medical Center is located at 201 W Garvey Ave Suite 108, Monterey Park, CA 91754. The listed phone number is (626) 573-2188.

What is Garvey Medical Center's specialty?

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

Is Garvey Medical Center enrolled in Medicare?

Yes. Garvey Medical Center is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Garvey Medical Center?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Garvey Medical Center. 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 Garvey Medical Center hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1003370) is associated with this NPI, valid through August 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Garvey Medical Center was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.