Active NPI
Gabriela Portan-Ascencio
- Speech-Language Pathologist
- Antioch, CA
National Provider Identifier
1245852292
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- 41443
- Practice address
- 4501 Sand Creek Rd
Antioch, CA 94531-8687 - Phone
- (925) 813-6240
- NPI assigned
- May 13, 2020
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 41443 | CA | Primary |
Addresses
Primary practice location
4501 Sand Creek Rd
Antioch, CA 94531-8687
Mailing address
1836 Santa Fe St
Oakley, CA 94561-1650
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
Care Compare profile
Medicare Care Compare- Specialty
- Qualified Speech Language Pathologist
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
5820 Owens Dr
Pleasanton, CA 94588-3900
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 41443 | CA | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1589328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779926400000",
"number": "1245852292",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1836 SANTA FE ST",
"city": "OAKLEY",
"state": "CA",
"postal_code": "945611650"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4501 SAND CREEK RD",
"city": "ANTIOCH",
"state": "CA",
"postal_code": "945318687",
"telephone_number": "925-813-6240"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PORTAN-ASCENCIO",
"first_name": "GABRIELA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-05-13",
"last_updated": "2026-05-28",
"certification_date": "2026-05-28",
"status": "A"
},
"taxonomies": [
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "CA",
"license": "41443",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Antioch, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.