NPIMap

Organization Active NPI

County of San Mateo

Doing business as San Mateo Medical Center

  • Long Term Care Hospital
  • San Mateo, CA
National Provider Identifier
1710066634
Registry record updated Mar 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Long Term Care HospitalTaxonomy code 282E00000X
Legal business name
COUNTY OF SAN MATEO
Doing business as
San Mateo Medical Center
Practice address
222 W 39TH Ave
San Mateo, CA 94403-4364
Phone
(650) 573-2222
NPI assigned
Nov 2, 2006
Last updated
Mar 23, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
COUNTY OF SAN MATEOAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Mar 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Jennifer Papa
Title
Chief Financial Officer
Phone
(650) 573-2613

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Long Term Care Hospital 282E00000X Primary
Skilled Nursing Facility 314000000X

Addresses

Primary practice location

222 W 39TH Ave
San Mateo, CA 94403-4364

Mailing address

222 W 39TH Ave
San Mateo, CA 94403-4364
Phone (650) 573-2222

Other identifiers 1

IdentifierTypeStateIssuer
LTC05034FMedicaidCA

Other names 1

  • San Mateo Medical Center Doing business as

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20090309000318 CA Part A Provider - Skilled Nursing Facility 9032023171 Practice locations: San Mateo, CA

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1710066634. Details of each certification follow.

Skilled nursing facility certification: CCN 555034

Legal name
COUNTY OF SAN MATEO
Doing business as
SAN MATEO MEDICAL CENTER
Certification status
Active
Provider type (POS)
Nursing home – SNF/NF dual certification
Participating since
Jul 1, 1976
Last certification
Mar 21, 2024
Beds
345
Ownership / control type
County
Organization structure
GovernmentNon-profit
Enrollment address
222 W 39TH Avenue
San Mateo, CA 94403-4364
Nursing home name
SAN MATEO MEDICAL CENTER D/P SNF

Other NPIs with the same Medicare PAC ID 14

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

View all 14

Care Compare: Nursing home

Medicare Care Compare
Listed as
San Mateo Medical Center D/P SNFCCN 555034 · All quality measures
Overall star rating
1 of 5
Health inspections
1 of 5
Staffing
4 of 5
Quality measures
3 of 5
Type
Medicare and Medicaid
Ownership
Government - County
Certified
Jul 1, 1976
Medicare certification status
ActiveFrom the Provider of Services file
Certified beds
345303.3 residents per day on average
Penalties (3 years)
3Fines totaling $104,000

Processed by Care Compare on Aug 1, 2026.

National Provider Directory

National Provider Directory
Tax ID family
San Mateo Medical Center Methadone Treatment Program123 organizations share this tax ID, including this one
Part of
San Mateo Medical Center Methadone Treatment Program

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

Ownership & related parties

All disclosed owners & managing parties 16

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Individual Adp of the SNF Aug 1, 1991
Organization, Hayward, CA LLC Adp of the SNF May 21, 2026
Jennifer Papa Individual Operational/Managerial Control Oct 14, 2014
Adp of the SNF Oct 14, 2014
Individual Adp of the SNF Mar 12, 2025
Organization, Seattle, WA LLC, Consulting firm Adp of the SNF May 21, 2026
Organization, Los Angeles, CA LLC Adp of the SNF Jul 15, 2012
Individual Adp of the SNF May 1, 2025
Organization, Newport Beach, CA Corporation, Consulting firm Adp of the SNF May 21, 2026
Chester J Kunnappilly Individual Operational/Managerial Control Jun 17, 2002
Adp of the SNF Jun 17, 2002
David S McGrew Individual Operational/Managerial ControlChief Financial Officer May 28, 2014
Adp of the SNF May 28, 2014
Yousef Y Turshani Individual Operational/Managerial Control Jan 8, 2018
Adp of the SNF Jan 8, 2018
Rob Larcina Individual Operational/Managerial Control Nov 25, 1991
Adp of the SNF Nov 25, 1991
Robert Blake Individual Operational/Managerial Control Oct 28, 2019
Adp of the SNF Oct 28, 2019
County of San Mateo Organization, San Mateo, CA Non-profit 5% Or Greater Direct Ownership Interest Jan 1, 1966 19%
5% Or Greater Security Interest Jan 1, 1966 19%
Operational/Managerial Control Jan 1, 1966
Adp of the SNF Jan 1, 1966
Direct Ownership Interest Jan 1, 1966 19%
Individual Adp of the SNF Oct 1, 2024
Organization, Vacaville, CA Corporation Adp of the SNF May 21, 2026

Owners & managing parties with NPI records 16

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

  • County of San Mateo

    dba Daly City Youth Hlth Ctr

    • Federally Qualified Health Center (FQHC)
    • Daly City, CA
    • NPI 1023196011

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Psychiatric Hospital Unit
    • San Mateo, CA
    • NPI 1194894840

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Daly City, CA
    • NPI 1265522619

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Public Health or Welfare Agency
    • San Mateo, CA
    • NPI 1306907928

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • General Acute Care Hospital
    • San Mateo, CA
    • NPI 1386713030

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Redwood City, CA
    • NPI 1386728533

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Redwood City, CA
    • NPI 1568540557

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Multi-Specialty Clinic/Center
    • San Mateo, CA
    • NPI 1679642326

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • South San Francisco, CA
    • NPI 1750460671

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Multi-Specialty Clinic/Center
    • San Mateo, CA
    • NPI 1780753434

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Multi-Specialty Clinic/Center
    • San Mateo, CA
    • NPI 1831268580

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Half Moon Bay, CA
    • NPI 1841379765

    5% Or Greater Direct Ownership Interest, 5% Or Greater Security Interest, Adp of the SNF, Direct Ownership Interest, Operational/Managerial Control

    CMS ownership
View all 16

All facility ownership & control disclosures 9

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
San Mateo Medical CenterSan Mateo, CA, CCN 05S113 Hospital 5% Or Greater Direct Ownership Interest (100%) Jul 1, 1993
San Mateo Medical CenterSan Mateo, CA, CCN 050113 Hospital 5% Or Greater Direct Ownership Interest (100%) Jul 1, 1966
Daly City Youth Health CenterDaly City, CA, CCN 751888 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 10, 1966
Daly City ClinicDaly City, CA, CCN 751906 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2016
Fair Oaks Health CenterRedwood City, CA, CCN 751887 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 10, 1966
39TH Avenue Clinics (Main Campus)San Mateo, CA, CCN 751904 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2016
Coastside ClinicHalf Moon Bay, CA, CCN 751898 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2016
Sequoia Teen Wellness CenterRedwood City, CA, CCN 751907 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2016
South San Francisco ClinicSouth San Francisco, CA, CCN 751905 Federally qualified health center 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2016

Owned or controlled facilities with NPI records 10

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

  • County of San Mateo

    dba San Mateo Medical Center

    • General Acute Care Hospital
    • San Mateo, CA
    • NPI 1003985755

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba Daly City Youth Hlth Ctr

    • Federally Qualified Health Center (FQHC)
    • Daly City, CA
    • NPI 1023196011

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Psychiatric Hospital Unit
    • San Mateo, CA
    • NPI 1194894840

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Daly City, CA
    • NPI 1265522619

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • General Acute Care Hospital
    • San Mateo, CA
    • NPI 1386713030

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Redwood City, CA
    • NPI 1386728533

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Redwood City, CA
    • NPI 1568540557

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • South San Francisco, CA
    • NPI 1750460671

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • Half Moon Bay, CA
    • NPI 1841379765

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • County of San Mateo

    dba San Mateo Medical Center

    • Federally Qualified Health Center (FQHC)
    • San Mateo, CA
    • NPI 1932288859

    5% Or Greater Direct Ownership Interest

    CMS ownership

Facilities with the same owner 9

Facilities that share an organizational owner with 5% or greater ownership or operational control.

Practitioners & affiliated clinicians

Affiliated clinicians 5

Clinicians who list this facility as an affiliation in Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1162425600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774224000000",
    "number": "1710066634",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "222 W 39TH AVE",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944034364",
            "telephone_number": "650-573-2222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 W 39TH AVE",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944034364",
            "telephone_number": "650-573-2222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COUNTY OF SAN MATEO",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "COUNTY OF SAN MATEO",
        "enumeration_date": "2006-11-02",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A",
        "authorized_official_last_name": "PAPA",
        "authorized_official_first_name": "JENNIFER",
        "authorized_official_title_or_position": "CHIEF FINANCIAL OFFICER",
        "authorized_official_telephone_number": "650-573-2613"
    },
    "taxonomies": [
        {
            "code": "282E00000X",
            "taxonomy_group": "",
            "desc": "Long Term Care Hospital",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "314000000X",
            "taxonomy_group": "",
            "desc": "Skilled Nursing Facility",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "LTC05034F",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "San Mateo Medical Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in San Mateo, CA

Sources for this page

Verify at the official NPI Registry.