Organization Active NPI

East Bay Physicians Medical Group

  • Obstetrics & Gynecology Physician
  • Orinda, CA
National Provider Identifier
1477598894
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
Legal business name
EAST BAY PHYSICIANS MEDICAL GROUP
Practice address
89 Davis Rd
Suite 220
Orinda, CA 94563-3031
Phone
(925) 254-2008
NPI assigned
Jun 19, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
William Dewolf, MD
Title
President
Phone
(925) 254-2008

Specialties & licenses 9

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X
Family Medicine Physician 207Q00000X
Internal Medicine Physician 207R00000X
Cardiovascular Disease Physician 207RC0000X
Nephrology Physician 207RN0300X
Rheumatology Physician 207RR0500X
Obstetrics & Gynecology Physician 207V00000X Primary
Neurology Physician 2084N0400X
Diagnostic Radiology Physician 2085R0202X

Addresses

Primary practice location

89 Davis Rd
Suite 220
Orinda, CA 94563-3031

Mailing address

PO Box 254869
Sacramento, CA 95865-4869
Phone (916) 854-6634

Other identifiers 17

IdentifierTypeStateIssuer
GR0101862MedicaidCA
GR0101873MedicaidCA
GR0101876MedicaidCA
GR0101868MedicaidCA
GR0101870MedicaidCA
GR0101872MedicaidCA
GR0101869MedicaidCA
GR0101871MedicaidCA
GR0101861MedicaidCA
GR0101863MedicaidCA
GR0101867MedicaidCA
GR0101874MedicaidCA
GR0101860MedicaidCA
GR0101864MedicaidCA
GR0101866MedicaidCA
GR0101875MedicaidCA
GR0101865MedicaidCA

National Provider Directory

National Provider Directory

Locations

89 Davis Rd
Ste 220
Orinda, CA 94563
Phone (510) 254-2008

NPI Registry JSON

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

{
    "created_epoch": "1150675200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1477598894",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 254869",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958654869",
            "telephone_number": "916-854-6634",
            "fax_number": "916-854-6739"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "89 DAVIS RD",
            "address_2": "SUITE 220",
            "city": "ORINDA",
            "state": "CA",
            "postal_code": "945633031",
            "telephone_number": "925-254-2008"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "EAST BAY PHYSICIANS MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-19",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "DEWOLF",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "925-254-2008",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101862",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101873",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101876",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101868",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101870",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101872",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101869",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101871",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101861",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101863",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101867",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101874",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101860",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101864",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101866",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101875",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0101865",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Orinda, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.