Active NPI
East Bay Physicians Medical Group
- Obstetrics & Gynecology Physician
- Orinda, CA
National Provider Identifier
1477598894
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- 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, 2025
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| GR0101862 | Medicaid | CA | |
| GR0101873 | Medicaid | CA | |
| GR0101876 | Medicaid | CA | |
| GR0101868 | Medicaid | CA | |
| GR0101870 | Medicaid | CA | |
| GR0101872 | Medicaid | CA | |
| GR0101869 | Medicaid | CA | |
| GR0101871 | Medicaid | CA | |
| GR0101861 | Medicaid | CA | |
| GR0101863 | Medicaid | CA | |
| GR0101867 | Medicaid | CA | |
| GR0101874 | Medicaid | CA | |
| GR0101860 | Medicaid | CA | |
| GR0101864 | Medicaid | CA | |
| GR0101866 | Medicaid | CA | |
| GR0101875 | Medicaid | CA | |
| GR0101865 | Medicaid | CA |
National Provider Directory
National Provider DirectoryLocations
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
- Kristi Doberenz, DDS
- Kelly Elaine Dombek
- Dr Kevin Wong DC Orinda Chiropractic Center PC (Orinda Chiropractic and Laser Center)
- East Bay Gynecologic Oncology
- East Bay Pediatrics Medical Group
- Ebmc Psychology, Inc (East Bay Mindfulness Center)
- John S. Edelen, M.D.
- Marlene Ingrid Ehlers, DC
- Sue N Elkind, PH.D.
- Encompass Connections
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.