Individual provider Active NPI

Carl O. Gray, MD

  • Family Medicine Physician
  • Hayward, CA
National Provider Identifier
1326126152
Registry record updated Apr 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A92884 Issued in CA
Practice address
22331 Mission Blvd
Hayward, CA 94541-3911
Phone
(510) 471-5880
NPI assigned
Nov 1, 2006
Last updated
Apr 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A92884 CA Primary

Addresses

Primary practice location

22331 Mission Blvd
Hayward, CA 94541-3911

Mailing address

22331 Mission Blvd
Hayward, CA 94541-3911
Phone (510) 471-5880

Other identifiers 1

IdentifierTypeStateIssuer
00A928840MedicaidCA

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060315000754 CA Practitioner - Family Practice 9830106806 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A92884CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Family Medicine Current Accepting new patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Mar 13, 2023 Accepting new patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Mar 13, 2023 Accepting new patients
Tiburcio Vasquez Health Center, Inc. Current Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

2185 W Grant Line Rd
Tracy, CA 95377
Phone (209) 839-3200

33255 9th St
Union City, CA 94587
Phone (510) 690-6052

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

Interoperability endpoints

  • Direct secure messaging: cgray626842@direct.ochin.org

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1326126152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22331 MISSION BLVD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945413911",
            "telephone_number": "510-471-5880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22331 MISSION BLVD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945413911",
            "telephone_number": "510-471-5880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRAY",
        "first_name": "CARL",
        "middle_name": "O.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A92884",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A928840",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "2185 W Grant Line Rd",
            "city": "Tracy",
            "state": "CA",
            "country_code": "US",
            "postal_code": "953777309",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Hayward, CA

Sources for this page

Verify at the official NPI Registry.