NPPES file of Aug 9, 2026

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

Nurse Practitioner · Vallejo, CA

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C is a nurse practitioner with a practice address in Vallejo, California, and NPI 1528743697, issued on Jun 16, 2023. Check the license (California 95022387, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528743697
Name
Grethel Joy Roa Escala
Credential
MSN, BSN, RN, FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95022387 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Tuolumne St, Vallejo, CA 94589
Phone
(707) 644-7401
Enumerated
Jun 16, 2023
Record last updated
Sep 14, 2025
Medicare enrollment
Enrolled (PECOS I20241217001325); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2200 Tuolumne St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Abraham, MS SLP CFYSpeech-Language Pathologist1942798624
  2. Nina David-Naranjo, OTOccupational Therapist1609351204
  3. Vivian NguyenSpeech-Language Pathologist1154824506
  4. Gretchen Sell-Finley, MS CCC-SLPSpeech-Language Pathologist1457773475
  5. Dennis Sotto, PTAPhysical Therapy Assistant1538091764
  6. Imee Tuazon, PTAPhysical Therapy Assistant1689567661

Verify Grethel Joy Roa Escala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95022387
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. California Post-Acute Medical Group 1 IncVallejo, CA
  2. California Wound And Hyperbaric Specialists IncPleasant Hill, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grethel Joy Roa Escala among 8,223 nurse practitioner records in California

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 82% of them.

  • NPI issued2023 · 82% of these records are older, 13% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2022 · median 2017 among the 3,425 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Lois Baeta, N.P.Vallejo, CA 945891760620983
  2. Debbie Diaz, FAMILY NURSE PRACTITVallejo, CA 945891982774774
  3. Tracy Eidson, N.P.Vallejo, CA 945891184995342
  4. Celeste Laprade, NPVallejo, CA 945891366521452
  5. Marites Less, NPVallejo, CA 945891962737460
  6. Lisbeth Macdonald, RN, FNPVallejo, CA 945891699837724
  7. Judith Smith, NPVallejo, CA 945891609933746
  8. Shelley Wong, FNPVallejo, CA 945891205891314

Common questions

What is Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C's NPI number?

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C's National Provider Identifier (NPI) is 1528743697, issued on Jun 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C located?

The NPPES record lists a practice address at 2200 Tuolumne St, Vallejo, CA, 94589. Phone: (707) 644-7401. Providers update this record themselves, so call before visiting.

How can I verify Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C's license?

NPPES lists California license number 95022387, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.