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

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C

Individual provider Nurse Practitioner · NPI 1528743697

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C is a Nurse Practitioner in Vallejo, California. Graduated from Touro Un College of Osteopathic Medicine, Vallejo in 2022, 4 years ago. Practices with California Wound and Hyperbaric Specialists Inc, a 4-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Trained at
Touro Un College of Osteopathic Medicine, Vallejo
Licensed in
CA
In the registry since
2023
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
BSN — Bachelor of Science in Nursing
A four-year nursing degree.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

2200 Tuolumne St
Vallejo, CA 94589-2523
Phone: (707) 644-7401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 975 Sereno Dr, Vallejo, CA 94589-2441 — (707) 592-7796

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95022387 (CA)

Record details

NPI number1528743697
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , BSN , RN , FNP-C
Sole proprietorYes
NPI enumeratedJune 16, 2023
Last updated in NPPESSeptember 14, 2025
Certification dateSeptember 14, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolTOURO UN COLLEGE OF OSTEOPATHIC MEDICINE, VALLEJO
Graduated 2022 (4 years in practice)
Group practice California Wound And Hyperbaric Specialists Inc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Vallejo