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

Mrs. Yvonne Decastro Fermil, FNP

Individual provider Registered Nurse · NPI 1518086388

Mrs. Yvonne Decastro Fermil, FNP is a Nurse Practitioner in San Diego, California. Graduated from University of California, San Diego School of Medicine in 2000, 26 years ago. Practices with Digestive Disease Associates Inc, a 7-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
3
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

292 Euclid Ave Ste 115
San Diego, CA 92114-3629
Phone: (619) 266-3332
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence FNP11786 (CA)
Registered Nurse Taxonomy 163W00000X · Licence RN525830 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence 11786 (CA)

Record details

NPI number1518086388
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESJune 13, 2024
Certification dateJune 13, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Digestive Disease Associates Inc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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