CHIA-LIN CHARLES LIU,D.O.,INC
NPI 1497003511
Family Medicine in San Diego, CA
About Chia-lin Charles Liu,d.o.,inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIA-LIN CHARLES LIU,D.O.,INC (NPI 1497003511), doing business as Chia-lin Liu, is a healthcare organization registered as a family medicine in San Diego, California and active in the NPI registry since August 2012. The organization holds a CLIA Waiver certificate valid through July 23, 2027 and lists Chia Lin Liu, Doctor, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
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)
Chia-lin Charles Liu,d.o.,inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 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.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Chia-Lin Charles Liu,d.O.,inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 05D2062984
Chia-Lin Charles Liu Do, Inc · San Diego, CAFrequently 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 Chia-Lin Charles Liu,d.O.,inc's NPI number?
The NPI number for Chia-Lin Charles Liu,d.O.,inc is 1497003511. It was assigned to this organization in the NPPES registry on August 21, 2012. The provider was formerly known as Chia-Lin Liu.
Where is Chia-Lin Charles Liu,d.O.,inc located?
Chia-Lin Charles Liu,d.O.,inc is located at 2185 Garnet Ave, San Diego, CA 92109. The listed phone number is (858) 270-9270.
What is Chia-Lin Charles Liu,d.O.,inc's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Chia-Lin Charles Liu,d.O.,inc enrolled in Medicare?
Yes. Chia-Lin Charles Liu,d.O.,inc is registered in the Medicare PECOS enrollment system.
When is Chia-Lin Charles Liu,d.O.,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 March 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 Chia-Lin Charles Liu,d.O.,inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Chia-Lin Charles Liu,d.O.,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 Chia-Lin Charles Liu,d.O.,inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2062984) is associated with this NPI, valid through July 23, 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 Chia-Lin Charles Liu,d.O.,inc was last updated on September 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Chia-Lin Charles Liu,d.o.,inc · NPI 1497003511
Family Medicine organization in San Diego, California. Organization record, active in the CMS NPPES registry since August 21, 2012.
## Identity
- **NPI:** 1497003511 (Entity type: Organization)
- **Enumerated:** August 21, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Chia Liu, DOCTOR
## Practice location
- **Address:** 2185 GARNET AVE, San Diego, CA 92109-3603
- **Phone:** (858) 270-9270 · **Fax:** (858) 270-7168
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 6, 2012
- **Other identifiers:** Medicare UPIN H44668 (CA); Other 20A6900 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1497003511) · Data from the CMS NPPES public registry.