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GABRIELA PORTAN-ASCENCIO
NPI 1245852292
Speech-Language Pathologist in Antioch, CA

Active since May 13, 2020
4501 SAND CREEK RD, ANTIOCH, CA 94531(925) 813-6240 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 28, 2026, May 13, 2020 (2 updates tracked since 2020).

About Gabriela Portan-ascencio NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GABRIELA PORTAN-ASCENCIO (NPI 1245852292) is an individual speech-language pathologist provider in Antioch, California, licensed in California (41443) and active in the NPI registry since May 2020. She is a graduate of Other (2025).

NPPES Registry Identity

NPI1245852292
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameGABRIELA PORTAN-ASCENCIO
Location Address4501 SAND CREEK RDAntioch, CA 94531-8687
Mailing Address1836 Santa Fe StOakley, CA 94561-1650
Phone(925) 813-6240
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMay 13, 2020
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1245852292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 41443
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4501 SAND CREEK RD, Antioch, CA 94531
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gabriela Portan-ascencio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759855950
PECOS Enrollment IDI20260629003439

Medicare Billing Reassignment

Medicare enrollment records show Gabriela Portan-ascencio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
26 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTEN ASAKO SHIMODA PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-7280
DR. KAUSALYA CHENNAPRAGADA BHASKARABHATLA M.D.
Internal Medicine
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6500
JEFFREY ROBERT CHAVEZ PA-C
Physician Assistant
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 389-7719
DR. JAMES FRANCIS CHAN M.D.
Hospitalist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6500
JACOB FREDRICKSON DPT
Physical Therapist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6500
MENG HAO
Pharmacist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6500
TIMOTHY VAN PHAN
Pharmacist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6500
SHARON ANN LEWIS RRT
Respiratory Therapist, Registered
4501 SAND CREEK RD
ANTIOCH, CA 94531
Contra Costa County (925) 813-6700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gabriela Portan-ascencio's NPI number?

The NPI number for Gabriela Portan-ascencio is 1245852292. It was assigned to this individual provider in the NPPES registry on May 13, 2020.

Where is Gabriela Portan-ascencio located?

Gabriela Portan-ascencio practices at 4501 Sand Creek Rd, Antioch, CA 94531. The listed phone number is (925) 813-6240.

What is Gabriela Portan-ascencio's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Gabriela Portan-ascencio enrolled in Medicare?

Yes. Gabriela Portan-ascencio is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gabriela Portan-ascencio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriela Portan-ascencio reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gabriela Portan-ascencio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gabriela Portan-ascencio was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.