Active NPI
Esther D Martinez, CCC-SLP
- Speech-Language Pathologist
- Oakland, CA
National Provider Identifier
1790455608
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- 14335813
- Practice address
- 581 61St St
Oakland, CA 94609-1248 - Phone
- (510) 654-7787
- NPI assigned
- Sep 14, 2021
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 14335813 | CA | Primary |
Addresses
Primary practice location
581 61St St
Oakland, CA 94609-1248
Mailing address
1011 Union St Ste 912
Oakland, CA 94607-2236
Phone (510) 879-2538
Other practice location 1
920 Campbell St
Oakland, CA 94607-1399
Phone (510) 879-2183
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 14335813 | CA | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1631577600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770768000000",
"number": "1790455608",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1011 UNION ST STE 912",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946072236",
"telephone_number": "510-879-2538"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "581 61ST ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946091248",
"telephone_number": "510-654-7787"
}
],
"practiceLocations": [
{
"address_1": "920 Campbell St",
"address_purpose": "LOCATION",
"city": "Oakland",
"state": "CA",
"postal_code": "946071399",
"country_code": "US",
"telephone_number": "510-879-2183",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MARTINEZ",
"first_name": "ESTHER",
"middle_name": "D",
"credential": "CCC-SLP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2021-09-14",
"last_updated": "2026-02-11",
"certification_date": "2026-02-11",
"status": "A"
},
"taxonomies": [
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "CA",
"license": "14335813",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.