Irmarita Lewis, FNP - Medicare Nurse Practitioner in Fairfield, CA

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Irmarita Lewis, FNP is a medicare enrolled "Nurse Practitioner - Family" in Fairfield, California. Her current practice location is 1652 W Texas St Ste 115, Fairfield, California. You can reach out to her office (for appointments etc.) via phone at (707) 470-2888.

Irmarita Lewis is licensed to practice in California (license number 95016414) 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 1669072328.

Contact Information

Irmarita Lewis, FNP
1652 W Texas St Ste 115,
Fairfield, CA 94533-5952
(707) 470-2888
(866) 626-0793

Map and Direction




Provider's Profile

Full NameIrmarita Lewis
GenderFemale
SpecialityNurse Practitioner - Family
Location1652 W Texas St Ste 115, Fairfield, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1669072328
  • Provider Enumeration Date: 10/30/2020
  • Last Update Date: 07/06/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6800276080
  • Enrollment ID: I20220706000709

Medical Identifiers

Medical identifiers for Irmarita Lewis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669072328NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 831617 (California)Secondary
363LF0000XNurse Practitioner - Family 95016414 (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. Irmarita Lewis allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameVital Total Health Medical Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386107928
PECOS PAC ID: 7911234356
Enrollment ID: O20190808001266
Entity NameOsita Health Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649743345
PECOS PAC ID: 4981038692
Enrollment ID: O20200103001786
Entity NameRi-vive Wellness Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265168587
PECOS PAC ID: 8426426677
Enrollment ID: O20221121000611

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. Irmarita Lewis 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
Irmarita Lewis, FNP
1652 W Texas St Ste 115,
Fairfield, CA 94533-5952

Ph: (707) 470-2888		Irmarita Lewis, FNP
1652 W Texas St Ste 115,
Fairfield, CA 94533-5952

Ph: (707) 470-2888

Reviews and Comments


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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.