Margaret Lynn Mackey, FNP - Medicare Nurse Practitioner in Napa, CA

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Margaret Lynn Mackey, FNP is a medicare enrolled "Nurse Practitioner - Family" in Napa, California. Her current practice location is 3010 Beard Rd, Napa, California. You can reach out to her office (for appointments etc.) via phone at (707) 257-1550.

Margaret Lynn Mackey is licensed to practice in California (license number NP13750) 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 1073717492.

Contact Information

Margaret Lynn Mackey, FNP
3010 Beard Rd,
Napa, CA 94558-3442
(707) 257-1550
(707) 819-9014

Map and Direction




Provider's Profile

Full NameMargaret Lynn Mackey
GenderFemale
SpecialityNurse Practitioner - Family
Location3010 Beard Rd, Napa, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1073717492
  • Provider Enumeration Date: 06/11/2007
  • Last Update Date: 07/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9234225038
  • Enrollment ID: I20071009000807

Medical Identifiers

Medical identifiers for Margaret Lynn Mackey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073717492NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family NP13750 (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. Margaret Lynn Mackey 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 NamePersonalized Care Md
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891232484
PECOS PAC ID: 8527391911
Enrollment ID: O20190618001847

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. Margaret Lynn Mackey 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
Margaret Lynn Mackey, FNP
3010 Beard Rd,
Napa, CA 94558-3442

Ph: (707) 255-8825		Margaret Lynn Mackey, FNP
3010 Beard Rd,
Napa, CA 94558-3442

Ph: (707) 257-1550

Reviews and Comments


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Jorge Efrain Roman, NP
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Phone: 707-254-1770    Fax: 707-251-2995
Mrs. Bethany Lewis, FNP-C
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Phone: 707-258-6053    
Tamara Ann Dupuis,
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Practice Location: 1100 Trancas St Ste 270, Napa, CA 94558
Phone: 707-252-1076    Fax: 707-252-4764
Sheila Anderson Cox, N.P.
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Practice Location: 2344 Old Sonoma Rd, Napa, CA 94559
Phone: 707-253-6081    
Eugene Butler Jr., NP
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Practice Location: 1621 W Imola Ave, Napa, CA 94559
Phone: 707-251-4280    
Janet M Bruneau, ACNP-BC
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Medicare: Not Enrolled in Medicare
Practice Location: 1000 Trancas St, Napa, CA 94558
Phone: 707-299-7637    

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.