Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C - Medicare Nurse Practitioner in Vallejo, CA

  1. Home
  2. Nurse Practitioner
  3. CA
  4. Vallejo
Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C is a medicare enrolled "Nurse Practitioner" in Vallejo, California. Her current practice location is 2200 Tuolumne St, Vallejo, California. You can reach out to her office (for appointments etc.) via phone at (707) 644-7401.

Grethel Joy Roa Escala is licensed to practice in California (license number 95022387) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1528743697.

Contact Information

Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C
2200 Tuolumne St,
Vallejo, CA 94589-2523
(707) 644-7401
Not Available

Map and Direction




Provider's Profile

Full NameGrethel Joy Roa Escala
GenderFemale
SpecialityNurse Practitioner
Location2200 Tuolumne St, Vallejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1528743697
  • Provider Enumeration Date: 06/16/2023
  • Last Update Date: 09/14/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5496282311
  • Enrollment ID: I20241217001325

Medical Identifiers

Medical identifiers for Grethel Joy Roa Escala such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528743697NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 95022387 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Grethel Joy Roa Escala allows following entities to bill medicare on her behalf.
Entity NameCalifornia Post-acute Medical Group 1 Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265971949
PECOS PAC ID: 5991072738
Enrollment ID: O20170525001727
Entity NameCa Pacs 2 Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801372669
PECOS PAC ID: 4981954476
Enrollment ID: O20180904002122
Entity NameCs Pacs 3 West Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073378238
PECOS PAC ID: 8921546797
Enrollment ID: O20240920000852
Entity NameCs Pacs 3 Ca Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922775360
PECOS PAC ID: 1153843180
Enrollment ID: O20250319003700

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Grethel Joy Roa Escala is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C
1310 Club Dr,
Vallejo, CA 94592-1187

Ph: (707) 592-7796		Grethel Joy Roa Escala, MSN, BSN, RN, FNP-C
2200 Tuolumne St,
Vallejo, CA 94589-2523

Ph: (707) 644-7401

Reviews and Comments


Nurse Practitioner Nurses in Vallejo, CA

Catherine Ann Heckert, NPF
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 243 Georgia Street, Suite B, Vallejo, CA 94590
Phone: 707-556-8100    Fax: 707-556-8107
Alisha R Mcgriff, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 100 Hospital Dr, Vallejo, CA 94589
Phone: 707-427-4900    
Miss Bonnie Jo Gallegos, NURSE PRACTITIONER
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 975 Sereno Dr, Kaiser Permanente Vallejo Medical Center, Vallejo, CA 94589
Phone: 707-651-1031    
Ryan Singer, PMHNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 339 Jade Cir, Vallejo, CA 94590
Phone: 770-369-5696    
Maricar Inigo, N.P.
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 243 Georgia Street, Ste B, Vallejo, CA 94590
Phone: 707-556-8100    Fax: 707-556-8107
Lisa M Banuelos, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 100 Hospital Dr Fl 2, Vallejo, CA 94589
Phone: 707-427-4900    
Naomi Elaine Harada, NURSE PRACTITIONER
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 975 Sereno Dr, Vallejo, CA 94589
Phone: 707-651-3470    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.