Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CARL CHAO CHIA HSU MD
NPI 1306810122
Pediatrics in Rancho Cordova, CA

Active since February 16, 2006CLIA 05D0708554 · Waiver
1995 ZINFANDEL DRIVE, #105, RANCHO CORDOVA, CA 95670(916) 638-4000(916) 638-0745 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Carl Chao Chia Hsu Md NPPES

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

DR. CARL CHAO CHIA HSU MD (NPI 1306810122) is an individual pediatrics provider in Rancho Cordova, California, licensed in California (A34512) and active in the NPI registry since February 2006. He holds a CLIA Waiver certificate valid through November 3, 2027.

NPPES Registry Identity

NPI1306810122
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CARL CHAO CHIA HSUCredential: MD
Location Address1995 ZINFANDEL DRIVE, #105Rancho Cordova, CA 95670
Mailing Address1995 Zinfandel Drive, #105Rancho Cordova, CA 95670 · (916) 638-4000 · Fax (916) 638-0745
Fax(916) 638-0745
Sole ProprietorNo
Enumeration DateFebruary 16, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1306810122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in CA · A34512
Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1995 ZINFANDEL DRIVE, Rancho Cordova, CA 95670

Other Identifiers 1

Other00A34512CA · Medical

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 05D0708554

Carl C Hsu MD Faap · Rancho Cordova, CA
Active · expires Nov 3, 2027
CLIA Number05D0708554
Laboratory TypeIndependent
Certificate Effective DateNovember 4, 2025
Certificate Expiration DateNovember 3, 2027
Laboratory DirectorCarl C. Hsu
Laboratory Phone(916) 638-4000
Laboratory LocationCarl C Hsu MD Faap1995 Zinfandel Drive 105, Rancho Cordova, CA 95670
CLIA data matches this NPI record on: Address 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 Carl Hsu's NPI number?

The NPI number for Carl Hsu is 1306810122. It was assigned to this individual provider in the NPPES registry on February 16, 2006.

Where is Carl Hsu located?

Carl Hsu practices at 1995 Zinfandel Drive #105, Rancho Cordova, CA 95670. The listed phone number is (916) 638-4000.

What is Carl Hsu's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Carl Hsu hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0708554) is associated with this NPI, valid through November 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Carl Hsu was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.