COUNTY OF SAN MATEO
NPI 1144309055
Psychiatric Unit in San Mateo, CA

Active since November 02, 2006
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2222 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: July 19, 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 1144309055), doing business as San Mateo Medical Center, is a healthcare organization registered as a psychiatric unit in San Mateo, California and active in the NPI registry since November 2006. The organization lists Jennifer Papa, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1144309055
Entity TypeOrganization
Primary Taxonomy273R00000X
Legal Business NameCOUNTY OF SAN MATEO
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2222
Organization SubpartYes
Authorized OfficialJennifer PapaChief Financial Officer · (650) 573-2613
Enumeration DateNovember 2, 2006
Last NPPES UpdateOctober 16, 2025
NPPES CertifiedOctober 16, 2025
NPI 1144309055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatric UnitHospital Units
Taxonomy Code273R00000X
Definition

In general, a distinct unit of a hospital that provides acute or long-term care to emotionally disturbed patients, including patients admitted for diagnosis and those admitted for treatment of psychiatric problems on the basis of physicians' orders and approved nursing care plans. Long-term care may include intensive supervision to the chronically mentally ill, mentally disordered or other mentally incompetent persons; (2) For Medicare, a distinct part of a general acute care hospital admitting only patients whose admission to the unit is required for active treatment, whose treatment is of an intensity that can be provided only in an inpatient hospital setting, and whose condition is described by a psychiatric principal diagnosis contained in the Third Edition of the American Psychiatric Association Diagnostic and Statistical Manual or in Chapter 5 (Mental Disorders) of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). The unit must furnish, through the use of qualified personnel, psychological services, social work services, psychiatric nursing, occupational therapy, and recreational therapy. The unit must maintain medical records that permit determination of the degree and intensity of treatment provided to individuals who are furnished services in the unit; the unit must meet special staff requirements in that the unit must have adequate numbers of qualified professional and supportive staff to evaluate inpatients, formulate written, individualized, comprehensive treatment plans, provide active treatment measures and engage in discharge planning.

222 W 39TH AVE, San Mateo, CA 94403

Other Names 1

Doing Business AsSan Mateo Medical Center

Other Identifiers 1

MedicaidGR0028886CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Women's Health)
222 W 39TH AVE
SAN MATEO, CA 94403
Emergency Medicine
222 W 39TH AVE
SAN MATEO, CA 94403
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403
Pediatrics
222 W 39TH AVE
SAN MATEO, CA 94403
Physician Assistant
222 W 39TH AVE
SAN MATEO, CA 94403
Physician Assistant
222 W 39TH AVE
SAN MATEO, CA 94403
Emergency Medicine
222 W 39TH AVE
SAN MATEO, CA 94403
Emergency Medicine
222 W 39TH AVE
SAN MATEO, CA 94403

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 1144309055. It was assigned to this organization in the NPPES registry on November 2, 2006.

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) 573-2222.

What is County Of San Mateo's specialty?

The primary specialty registered for this NPI is Psychiatric Unit with taxonomy code 273R00000X.

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 with the weekly NPPES data releases published by CMS.