GRETHEL JOY ROA ESCALA MSN, BSN, RN, FNP-C
NPI 1528743697
Nurse Practitioner in Vallejo, CA

Q: What is Grethel Joy Escala's NPI number?

The NPI number for Grethel Joy Escala is 1528743697. It was assigned to this individual provider in the NPPES registry on June 16, 2023.

Q: What is Grethel Joy Escala's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since June 16, 2023PECOS EnrolledAccepts Medicare Assignment

2200 TUOLUMNE ST, VALLEJO, CA 94589(707) 644-7401 Get Directions Write a Review

NPPES record last updated: September 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 14, 2025, Jun 16, 2023 (2 updates tracked since 2023).

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About Grethel Joy Roa Escala Msn, Bsn, Rn, Fnp-c NPPES

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

GRETHEL JOY ROA ESCALA MSN, BSN, RN, FNP-C (NPI 1528743697) is an individual nurse practitioner in Vallejo, California, licensed in California (95022387) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vallejo, and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2022).

NPPES Registry Identity

NPI1528743697

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameGRETHEL JOY ROA ESCALACredential: MSN, BSN, RN, FNP-C

Location Address2200 TUOLUMNE STVallejo, CA 94589-2523

Mailing Address1310 Club DrVallejo, CA 94592-1187 · (707) 592-7796

Phone(707) 644-7401

Sole ProprietorYes

Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2022

Enumeration DateJune 16, 2023

Last NPPES UpdateSeptember 14, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2025

✔ NPI 1528743697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 95022387

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

2200 TUOLUMNE ST, Vallejo, CA 94589

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Secondary Practice Location 1

Location 1975 Sereno DrVallejo, CA 94589-2441 · Phone (707) 592-7796

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grethel Joy Roa Escala Msn, Bsn, Rn, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496282311

PECOS Enrollment IDI20241217001325

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94589 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$98.85 typical visit price

range $65.02 – $191.95

Typical copayment $24.71 (range $16.25 – $47.98)

Most-billed visit code 99203

Established Patient

$113.05 typical visit price

range $21.86 – $157.69

Typical copayment $28.26 (range $5.46 – $39.42)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

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

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