Marisa Hernandez Desilva, APN - Medicare Nurse Practitioner in Fountain Valley, Ca, CA

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Marisa Hernandez Desilva, APN is a medicare enrolled "Nurse Practitioner - Family" in Fountain Valley, Ca, California. Her current practice location is 17360 Brookhurst Street, Attn: Whole Life Department, Fountain Valley, Ca, California. You can reach out to her office (for appointments etc.) via phone at (657) 241-3450.

Marisa Hernandez Desilva is licensed to practice in California (license number NP 17493) 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 1083815229.

Contact Information

Marisa Hernandez Desilva, APN
17360 Brookhurst Street, Attn: Whole Life Department,
Fountain Valley, Ca, CA 92708
(657) 241-3450
(714) 689-4327

Map and Direction




Provider's Profile

Full NameMarisa Hernandez Desilva
GenderFemale
SpecialityNurse Practitioner - Family
Location17360 Brookhurst Street, Fountain Valley, Ca, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1083815229
  • Provider Enumeration Date: 05/29/2007
  • Last Update Date: 06/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8921059197
  • Enrollment ID: I20090209000080

Medical Identifiers

Medical identifiers for Marisa Hernandez Desilva such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083815229NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family NP 17493 (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. Marisa Hernandez Desilva allows following entities to bill medicare on her behalf.
Entity NameMemorialcare Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205167350
PECOS PAC ID: 8729277314
Enrollment ID: O20110113000219
Entity NameAccess Alliance Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629534045
PECOS PAC ID: 3577804145
Enrollment ID: O20190409000031

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. Marisa Hernandez Desilva 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
Marisa Hernandez Desilva, APN
17360 Brookhurst Street, Attn: Whole Life Department,
Fountain Valley, CA 92708

Ph: (657) 241-3450		Marisa Hernandez Desilva, APN
17360 Brookhurst Street, Attn: Whole Life Department,
Fountain Valley, Ca, CA 92708

Ph: (657) 241-3450

Reviews and Comments


Nurse Practitioner Nurses in Fountain Valley, Ca, CA


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.