DR. JOAN SY MEDICAL CORPORATION
NPI 1407044589
Family Medicine in Laguna Hills, CA
About Dr. Joan Sy Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOAN SY MEDICAL CORPORATION (NPI 1407044589) is a healthcare organization registered as a family medicine in Laguna Hills, California and active in the NPI registry since October 2007. The organization holds a CLIA Waiver certificate valid through May 1, 2028 and lists Joan Yvette Sy, Physician And Surgeon, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Joan Sy Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
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 Dr. Joan Sy Medical Corporation, 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 05D1083419
Dr Joan Sy Medical Corporation · Laguna Hills, 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 Dr. Joan Sy Medical Corporation's NPI number?
The NPI number for Dr. Joan Sy Medical Corporation is 1407044589. It was assigned to this organization in the NPPES registry on October 14, 2007.
Where is Dr. Joan Sy Medical Corporation located?
Dr. Joan Sy Medical Corporation is located at 24953 Paseo De Valencia Ste 1A, Laguna Hills, CA 92653. The listed phone number is (949) 460-9200.
What is Dr. Joan Sy Medical Corporation's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dr. Joan Sy Medical Corporation enrolled in Medicare?
Yes. Dr. Joan Sy Medical Corporation is registered in the Medicare PECOS enrollment system.
When is Dr. Joan Sy Medical Corporation'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 November 30, 2026. 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 Dr. Joan Sy Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Dr. Joan Sy Medical Corporation. 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 Dr. Joan Sy Medical Corporation hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D1083419) is associated with this NPI, valid through May 1, 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 Dr. Joan Sy Medical Corporation was last updated on October 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Joan Sy Medical Corporation · NPI 1407044589
Family Medicine organization in Laguna Hills, California. Organization record, active in the CMS NPPES registry since October 14, 2007.
## Identity
- **NPI:** 1407044589 (Entity type: Organization)
- **Enumerated:** October 14, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Joan Sy, PHYSICIAN AND SURGEON
## Practice location
- **Address:** 24953 PASEO DE VALENCIA STE 1A, Laguna Hills, CA 92653-4342
- **Phone:** (949) 460-9200 · **Fax:** (949) 470-9000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (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:** October 10, 2022
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1407044589) · Data from the CMS NPPES public registry.