Maritess Montoya Zareno, NP - Medicare Nurse Practitioner in Valencia, CA

Maritess Montoya Zareno, NP is a medicare enrolled "Nurse Practitioner - Primary Care" in Valencia, California. She went to University Of California, Geffen School Of Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Providence Facey Medical Foundation and her current practice location is 26357 Mcbean Pkwy, Valencia, California. You can reach out to her office (for appointments etc.) via phone at (661) 222-2605.

Maritess Montoya Zareno is licensed to practice in California (license number 15838) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1588687784.

Contact Information

Maritess Montoya Zareno, NP
26357 Mcbean Pkwy,
Valencia, CA 91355-4488
(661) 222-2605
Not Available

Map and Direction




Provider's Profile

Full NameMaritess Montoya Zareno
GenderFemale
SpecialityNurse Practitioner
Experience19 Years
Location26357 Mcbean Pkwy, Valencia, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Maritess Montoya Zareno attended and graduated from University Of California, Geffen School Of Medicine in 2005
  NPI Data:
  • NPI Number: 1588687784
  • Provider Enumeration Date: 07/26/2006
  • Last Update Date: 10/15/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 7315001864
  • Enrollment ID: I20090127000651

Medical Identifiers

Medical identifiers for Maritess Montoya Zareno such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588687784NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP2300XNurse Practitioner - Primary Care 15838 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Holy Cross Medical CenterMission hills, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Facey Medical Foundation3173436276274

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. Maritess Montoya Zareno allows following entities to bill medicare on her behalf.
Entity NameProvidence Facey Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710031588
PECOS PAC ID: 3173436276
Enrollment ID: O20031105000822

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. Maritess Montoya Zareno 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
Maritess Montoya Zareno, NP
Po Box 9602,
Mission Hills, CA 91346-9602

Ph: (818) 837-5637
Maritess Montoya Zareno, NP
26357 Mcbean Pkwy,
Valencia, CA 91355-4488

Ph: (661) 222-2605

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.