SAN MATEO MEDICAL CENTER
NPI 1437235587
Clinic/Center - Multi-Specialty in San Mateo, CA
About San Mateo Medical Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAN MATEO MEDICAL CENTER (NPI 1437235587) is a healthcare organization registered as a multi-specialty in San Mateo, California and active in the NPI registry since October 2006. The organization lists Kris Rozzi, Reimbursement, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
San Mateo Medical Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
593Medicare enrollment records show 593 clinicians reassign Medicare billing to San Mateo Medical Center, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 277 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 52
Nearest to this location (20)
See all 593San Mateo, CA 94403
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 County Of San Mateo's NPI number?
The NPI number for County Of San Mateo is 1437235587. It was assigned to this organization in the NPPES registry on October 31, 2006. The provider is doing business as San Mateo Medical Center.
Where is County Of San Mateo located?
County Of San Mateo is located at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-3962.
What is County Of San Mateo's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.
Is County Of San Mateo enrolled in Medicare?
Yes. County Of San Mateo is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of San Mateo?
According to the CMS Revalidation Reassignment List (October 2026 release), 593 clinicians in 52 Medicare specialties reassign their Medicare billing to County Of San Mateo. 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. The largest specialties are Psychiatry (89), Nurse Practitioner (82) and Internal Medicine (59). Of these, 2 practice at this address and 277 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for County Of San Mateo was last updated on June 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# San Mateo Medical Center · NPI 1437235587
Multi-Specialty organization in San Mateo, California. Organization record, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1437235587 (Entity type: Organization)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Legal business name:** County Of San Mateo
- **Organization subpart:** Yes (part of County Of San Mateo)
- **Authorized official:** Kris Rozzi, REIMBURSEMENT
## Practice location
- **Address:** 222 W 39TH AVE, San Mateo, CA 94403-4364
- **Phone:** (650) 573-3962
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 593 clinicians in 52 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Psychiatry (89), Nurse Practitioner (82), Internal Medicine (59); 2 practice at this address and 277 within 10 miles; [full list](https://npiprofile.com/npi/1437235587/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 25, 2008
- **Other identifiers:** Medicare PIN ZZZ93222Z (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437235587) · Data from the CMS NPPES public registry.