Marites Less, NP - Medicare Nurse Practitioner in Vallejo, CA

Marites Less, NP is a medicare enrolled "Nurse Practitioner" in Vallejo, California. Her current practice location is 220 Hospital Dr, Vallejo, California. You can reach out to her office (for appointments etc.) via phone at (707) 641-1900.

Marites Less is licensed to practice in California (license number NP15457) 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 1962737460.

Contact Information

Marites Less, NP
220 Hospital Dr,
Vallejo, CA 94589-2517
(707) 641-1900
(707) 552-2294

Map and Direction




Provider's Profile

Full NameMarites Less
GenderFemale
SpecialityNurse Practitioner
Location220 Hospital Dr, Vallejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1962737460
  • Provider Enumeration Date: 10/16/2009
  • Last Update Date: 12/30/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7911162243
  • Enrollment ID: I20120711000286

Medical Identifiers

Medical identifiers for Marites Less such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1962737460NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner NP15457 (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. Marites Less 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

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. Marites Less 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
Marites Less, NP
1601 Fruitvale Ave,
Oakland, CA 94601-2418

Ph: (510) 535-4000
Marites Less, NP
220 Hospital Dr,
Vallejo, CA 94589-2517

Ph: (707) 641-1900

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,
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Medicare: Not Enrolled in Medicare
Practice Location: 124 Lippizan Dr, Vallejo, CA 94591
Phone: 707-731-3496    
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    
Morgan Drew Creel, CPNP
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Medicare: Not Enrolled in Medicare
Practice Location: 160 Glen Cove Marina Rd E Ste 103, Vallejo, CA 94591
Phone: 707-648-7337    
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
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.