Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ashley Fonseca-Tweed, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1275316176

Dr. Ashley Fonseca-Tweed, FNP-BC is a Nurse Practitioner in Grand Terrace, California. Qualified in 2023, 3 years ago. Practices with Riverside-San Bernardino County Indian Health Inc, a 45-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2023
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

11980 Mount Vernon Ave
Grand Terrace, CA 92313-5172
Phone: (909) 864-1097
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95025817 (CA)

Record details

NPI number1275316176
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedAugust 15, 2023
Last updated in NPPESFebruary 26, 2026
Certification dateFebruary 26, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Riverside-San Bernardino County Indian Health Inc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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