Active NPI
Lawrence Matsuo Okumoto
- Internal Medicine Physician
- Lancaster, CA
National Provider Identifier
1902546906
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A-201117
- Practice address
- 45104 10TH St W
Lancaster, CA 93534-2310 - Phone
- (503) 494-7735
- Fax
- (503) 494-4264
- NPI assigned
- Mar 30, 2022
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A-201117 | CA | Primary |
Addresses
Primary practice location
45104 10TH St W
Lancaster, CA 93534-2310
Mailing address
1700 Mount Vernon Ave
Bakersfield, CA 93306-4018
Phone (661) 326-2200
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OR
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250804001617 | OR | Order and Referring Only - Infectious Disease | 8325556152 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648598400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789084800000",
"number": "1902546906",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1700 MOUNT VERNON AVE",
"city": "BAKERSFIELD",
"state": "CA",
"postal_code": "933064018",
"telephone_number": "661-326-2200",
"fax_number": "661-326-2950"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "45104 10TH ST W",
"city": "LANCASTER",
"state": "CA",
"postal_code": "935342310",
"telephone_number": "503-494-7735",
"fax_number": "503-494-4264"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OKUMOTO",
"first_name": "LAWRENCE",
"middle_name": "MATSUO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-30",
"last_updated": "2026-09-11",
"certification_date": "2026-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A-201117",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lancaster, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.