Melissa Renee Walker, AGACNP-BC - Medicare Nurse Practitioner in Marysville, CA

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Melissa Renee Walker, AGACNP-BC is a medicare enrolled "Nurse Practitioner - Acute Care" in Marysville, California. She graduated from nursing school in 2025 and has 1 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Galen Inpatient Physicians Pc and her current practice location is 726 4th St, Marysville, California. You can reach out to her office (for appointments etc.) via phone at (530) 749-4652.

Melissa Renee Walker is licensed to practice in California (license number 95039062) 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 1285582700.

Contact Information

Melissa Renee Walker, AGACNP-BC
726 4th St,
Marysville, CA 95901-5656
(530) 749-4652
(530) 749-4365

Map and Direction




Provider's Profile

Full NameMelissa Renee Walker
GenderFemale
SpecialityNurse Practitioner
Experience1 Years
Location726 4th St, Marysville, 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:
  • Melissa Renee Walker graduated from nursing school in 2025
  NPI Data:
  • NPI Number: 1285582700
  • Provider Enumeration Date: 03/19/2026
  • Last Update Date: 08/04/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8527531607
  • Enrollment ID: I20260622001417

Medical Identifiers

Medical identifiers for Melissa Renee Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285582700NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2100XNurse Practitioner - Acute Care 95039062 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health And RideoutMarysville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Galen Inpatient Physicians Pc36784646331045

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. Melissa Renee Walker allows following entities to bill medicare on her behalf.
Entity NameGalen Inpatient Physicians PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689320459
PECOS PAC ID: 3678464633
Enrollment ID: O20040322000680

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. Melissa Renee Walker 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
Melissa Renee Walker, AGACNP-BC
726 4th St,
Marysville, CA 95901-5656

Ph: (530) 749-4652		Melissa Renee Walker, AGACNP-BC
726 4th St,
Marysville, CA 95901-5656

Ph: (530) 749-4652

Reviews and Comments


Nurse Practitioner Nurses in Marysville, CA

Jennifer Ann Duncan, N.P
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Pargat Singh Sekhon, FNP-C
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Kristin Ruud, AGACNP-BC
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Mrs. Fonda Kay Shaw, FNP/CNM
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Phone: 530-749-3242    Fax: 530-767-1020
Weliya M Bajiba, APRN
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Anna Ramirez, FNP-C
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Practice Location: 726 4th St, Marysville, CA 95901
Phone: 530-749-4300    

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.