Active NPI
William Grant MD Inc
- Anesthesiology Physician
- Poway, CA
National Provider Identifier
1063351534
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- Legal business name
- WILLIAM GRANT MD INC
- Practice address
- 15611 Pomerado Rd Ste 220
Poway, CA 92064-2437 - Phone
- (858) 521-0031
- Fax
- (858) 521-0921
- NPI assigned
- Mar 27, 2026
- 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 Grant, MD
- Title
- Owner
- Phone
- (858) 521-0031
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | Primary |
Addresses
Primary practice location
15611 Pomerado Rd Ste 220
Poway, CA 92064-2437
Mailing address
PO Box 34120
Reno, NV 89533-4120
Phone (877) 747-5050
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Anesthesiology Physician
- Escondido, CA
- NPI 1821251075
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1774569600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1774569600000",
"number": "1063351534",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 34120",
"city": "RENO",
"state": "NV",
"postal_code": "895334120",
"telephone_number": "877-747-5050",
"fax_number": "775-747-5005"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15611 POMERADO RD STE 220",
"city": "POWAY",
"state": "CA",
"postal_code": "920642437",
"telephone_number": "858-521-0031",
"fax_number": "858-521-0921"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "WILLIAM GRANT MD INC",
"organizational_subpart": "NO",
"enumeration_date": "2026-03-27",
"last_updated": "2026-03-27",
"certification_date": "2026-03-27",
"status": "A",
"authorized_official_last_name": "GRANT",
"authorized_official_first_name": "WILLIAM",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "858-521-0031",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Anesthesiology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Poway, CA
- Kimberly Whitney
- Tracey Marie Whitney, LAC, HHP, LMT
- Wiederrich Chiropractic Clinic, Apc
- Hans Orrin Wiederrich, D.C.
- William F Resh MD, Skin & Skin Cancer Medical Group of San Diego, Inc. (San Diego Family Dermatology)
- William W Winternitz Jr MD Inc
- Camilla Ruth Williams, PH.D.
- Cordelia Williams, CMT, LMT, NCTMB
- Tatyana Ita Williams, RN
- Alisha Wilson
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.