NPIMap

Organization Active NPI

Sutter Bay Hospitals

Doing business as Mills Health Center D/P APH

  • Psychiatric Hospital Unit
  • San Mateo, CA
National Provider Identifier
1043670342
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric Hospital UnitTaxonomy code 273R00000X
License
220000037 Issued in CA
Legal business name
SUTTER BAY HOSPITALS
Doing business as
Mills Health Center D/P APH
Sutter Mills Peninsula Medical Center, San Mateo Campus
Practice address
100 S San Mateo Dr
San Mateo, CA 94401-3805
Phone
(650) 696-5400
NPI assigned
Feb 29, 2016
Last updated
Aug 25, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
SUTTER BAY HOSPITALSAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Authorized official

Name
John B. Gates
Title
Cfo
Phone
(510) 450-7357

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric Hospital Unit 273R00000X 220000037 CA Primary

Addresses

Primary practice location

100 S San Mateo Dr
San Mateo, CA 94401-3805

Mailing address

PO Box 742738
Los Angeles, CA 90074-2738

Other identifiers 1

IdentifierTypeStateIssuer
220000037OtherCADISTINCT PART ACURE PSYCHIATRIC UNIT LICENSE

Other names 2

  • Mills Health Center D/P APH Doing business as
  • SUTTER MILLS PENINSULA MEDICAL CENTER, SAN MATEO CAMPUS Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20160614001955 CA Part A Provider - Hospital 3476506528 Practice locations: San Mateo, CA

NPI to CCN mapping 2

The Medicare certification numbers (CCNs) connected to NPI 1043670342. Details of each certification follow.

Hospital certification: CCN 05S007

Legal name
SUTTER BAY HOSPITALS
Doing business as
MILLS HEALTH CENTER D/P APH
Organization structure
CorporationNon-profit
Incorporated
Dec 9, 1885 in CA
Enrollment address
100 S San Mateo Dr
San Mateo, CA 94401-3805
Hospital Psychiatric Unit
Hospital subgroups
Psychiatric, Psychiatric unit

Hospital certification: CCN 050302

Name & address match This certification has no NPI in the Medicare enrollment files. CMS publishes enrollment files for six facility types only, so it was connected to this NPI by matching the name and address CMS publishes for it.

Legal name
MILLS HEALTH CENTER
Certification status
Terminated Voluntary: merger or closure, Nov 1, 1996
Provider type (POS)
Hospital – Short-term
Participating since
Jul 1, 1966
Last certification
Jan 14, 1992
Beds
274
Ownership / control type
Other
Facility address
100 S San Mateo Drive
San Mateo, CA 94401

Facilities connected through Provider of Services related, parent or unit certification numbers.

Other NPIs with the same Medicare PAC ID 22

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

View all 22

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2172313Mills Peninsula Medical Center100 South San Mateo Drive Suite 1169, San Mateo, CA 94401Certificate of waiverSep 18, 2027

National Provider Directory

National Provider Directory
Tax ID family
Childrens Hosp Pharmacy62 organizations share this tax ID, including this one
Part of
Childrens Hosp Pharmacy

Organizations with this tax ID in the same state 15

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

View all 15

Ownership & related parties

All disclosed owners & managing parties 18

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

NameRoleSinceShare
Yvonne Richardson Individual Corporate DirectorBoard Member Aug 4, 2021
Todd C Smith Individual Corporate DirectorBoard Member Jun 12, 2023
Gregory Brown Individual Corporate DirectorBoard Member Jan 1, 2025
Jill M Kacher Cobb Individual Corporate DirectorBoard Member Jan 1, 2019
Arnold Schaffer Individual Corporate DirectorBoard Member Jan 1, 2024
Theodore Deikel Individual Corporate DirectorBoard Member May 21, 2015
Janet Garufis Individual Corporate DirectorBoard Member Jan 1, 2024
Rita Ophelia Kwan-Feinberg Individual Corporate DirectorBoard Member Jan 1, 2025
Susan McCabe Individual Corporate DirectorSenior Director Jul 14, 2025
Juli Maxworthy Individual Corporate DirectorBoard Member Aug 4, 2021
Heidi J Schmidt Individual Corporate DirectorBoard Member Jan 1, 2025
Thomas Briody Individual Corporate DirectorBoard Member Feb 8, 2023
William L Brunetti Individual Corporate DirectorBoard Member Feb 8, 2023
Jeffrey T Strawn Individual Corporate DirectorBoard Member Jan 1, 2025
Yumi Nakagawa Individual Corporate DirectorBoard Member Jan 1, 2021
Sutter Health Organization, Sacramento, CA Corporation, Non-profit, Chain home office 5% Or Greater Direct Ownership Interest Jan 8, 1996 100%
Jonathan Ma Individual Corporate OfficerCfo Jan 1, 2025
W-2 Managing Employee Jan 1, 2025
Aditi H Patel Individual Corporate DirectorBoard Member Jan 1, 2025

Owners & managing parties with NPI records 4

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

All facility ownership & control disclosures 2

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

FacilityTypeRoleSince
Sutter Lakeside HospitalLakeport, CA, CCN 051329 Hospital 5% Or Greater Direct Ownership Interest (100%) Jan 1, 2010
California Pacific Medical Center - Davies CampusSan Francisco, CA, CCN 056245 Skilled nursing facility 5% Or Greater Direct Ownership Interest (100%) Feb 1, 2016

Owned or controlled facilities with NPI records 2

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

Facilities with the same owner 59

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

View all 59

NPI Registry JSON

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

{
    "created_epoch": "1456704000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787616000000",
    "number": "1043670342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 742738",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900742738"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 S SAN MATEO DR",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944013805",
            "telephone_number": "650-696-5400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SUTTER BAY HOSPITALS",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "SUTTER BAY HOSPITALS",
        "enumeration_date": "2016-02-29",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A",
        "authorized_official_last_name": "GATES",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "B.",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "510-450-7357"
    },
    "taxonomies": [
        {
            "code": "273R00000X",
            "taxonomy_group": "",
            "desc": "Psychiatric Unit",
            "state": "CA",
            "license": "220000037",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DISTINCT PART ACURE PSYCHIATRIC UNIT LICENSE",
            "identifier": "220000037",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Mills Health Center D/P APH",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "SUTTER MILLS PENINSULA MEDICAL CENTER, SAN MATEO CAMPUS",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in San Mateo, CA

Sources for this page

Verify at the official NPI Registry.