Mary Haynes, FNP - Medicare Nurse Practitioner in Lancaster, CA

Mary Haynes, FNP is a medicare enrolled "Nurse Practitioner - Family" in Lancaster, California. She graduated from nursing school in 2001 and has 23 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 45104 10th St W, Lancaster, California. You can reach out to her office (for appointments etc.) via phone at (661) 942-2391.

Mary Haynes is licensed to practice in California (license number NP12899) 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 1902896921.

Contact Information

Mary Haynes, FNP
45104 10th St W,
Lancaster, CA 93534-2310
(661) 942-2391
Not Available

Map and Direction




Provider's Profile

Full NameMary Haynes
GenderFemale
SpecialityNurse Practitioner
Experience23 Years
Location45104 10th St W, Lancaster, 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:
  • Mary Haynes graduated from nursing school in 2001
  NPI Data:
  • NPI Number: 1902896921
  • Provider Enumeration Date: 10/21/2005
  • Last Update Date: 12/01/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5991028714
  • Enrollment ID: I20150102000714

Medical Identifiers

Medical identifiers for Mary Haynes such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902896921NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family NP12899 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291758172

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. Mary Haynes allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
Entity NameNortheast Valley Health Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629079009
PECOS PAC ID: 3173517323
Enrollment ID: O20040412001067

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. Mary Haynes 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
Mary Haynes, FNP
45104 10th St W,
Lancaster, CA 93534-2310

Ph: (661) 942-2391
Mary Haynes, FNP
45104 10th St W,
Lancaster, CA 93534-2310

Ph: (661) 942-2391

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.