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COUNTY OF SAN MATEO
NPI 1669032868
Clinic/Center - Prison Health in San Mateo, CA

Active since June 19, 2019
222 PAUL SCANNELL DR., SAN MATEO, CA 94402(650) 312-5332(650) 655-6229 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About County Of San Mateo NPPES

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

COUNTY OF SAN MATEO (NPI 1669032868), doing business as Correctional Health Services - Ysc, is a healthcare organization registered as a prison health in San Mateo, California and active in the NPI registry since June 2019. The organization lists Michael D. Del Rosario, Clinical Services Manager Ii - Nurs, as its authorized official.

NPPES Registry Identity

NPI1669032868
Entity TypeOrganization
Primary Taxonomy261QP2400X
Legal Business NameCOUNTY OF SAN MATEO
Location Address222 PAUL SCANNELL DR.San Mateo, CA 94402
Mailing Address300 Bradford St.Redwood City, CA 94063 · (650) 363-7875 · Fax (650) 599-1082
Phone(650) 312-5332
Fax(650) 655-6229
Organization SubpartYes
Authorized OfficialMichael D. Del RosarioClinical Services Manager Ii - Nurs · (650) 363-7838
Enumeration DateJune 19, 2019
Last NPPES UpdateOctober 16, 2025
NPPES CertifiedOctober 16, 2025
✔ NPI 1669032868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Prison HealthAmbulatory Health Care Facilities
Taxonomy Code261QP2400X
222 PAUL SCANNELL DR., San Mateo, CA 94402
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Other Names 1

Doing Business AsCorrectional Health Services - Ysc

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 1669032868. It was assigned to this organization in the NPPES registry on June 19, 2019. The provider is doing business as Correctional Health Services - YSC.

Where is County Of San Mateo located?

County Of San Mateo is located at 222 Paul Scannell Dr., San Mateo, CA 94402. The listed phone number is (650) 312-5332.

What is County Of San Mateo's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Prison Health, with taxonomy code 261QP2400X.

When was this NPI record last updated?

The NPPES record for County Of San Mateo was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.