Marissa Dawn Walker, FNP-C - Medicare Nurse Practitioner in Novi, MI

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Marissa Dawn Walker, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Novi, Michigan. She graduated from nursing school in 2020 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Theoria Medical and her current practice location is 41850 W 11 Mile Rd Ste 202, Novi, Michigan. You can reach out to her office (for appointments etc.) via phone at (248) 860-4634.

Marissa Dawn Walker is licensed to practice in Michigan (license number 4704304415) 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 1487261392.

Contact Information

Marissa Dawn Walker, FNP-C
41850 W 11 Mile Rd Ste 202,
Novi, MI 48375-1857
(248) 860-4634
Not Available

Map and Direction




Provider's Profile

Full NameMarissa Dawn Walker
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location41850 W 11 Mile Rd Ste 202, Novi, Michigan
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:
  • Marissa Dawn Walker graduated from nursing school in 2020
  NPI Data:
  • NPI Number: 1487261392
  • Provider Enumeration Date: 09/24/2020
  • Last Update Date: 02/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2860804903
  • Enrollment ID: I20250117002642

Medical Identifiers

Medical identifiers for Marissa Dawn Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487261392NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 4704304415 (Michigan)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Theoria Medical5395098339317

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. Marissa Dawn Walker allows following entities to bill medicare on her behalf.
Entity NameTheoria Medical
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609362375
PECOS PAC ID: 5395098339
Enrollment ID: O20210429000604
Entity NameComplexcare Medical Group Mid-atlantic H PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275427429
PECOS PAC ID: 6709382831
Enrollment ID: O20251210000400

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. Marissa Dawn 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
Marissa Dawn Walker, FNP-C
41850 W 11 Mile Rd Ste 202,
Novi, MI 48375-1857

Ph: Not Available		Marissa Dawn Walker, FNP-C
41850 W 11 Mile Rd Ste 202,
Novi, MI 48375-1857

Ph: (248) 860-4634

Reviews and Comments


Nurse Practitioner Nurses in Novi, MI

Ashley H Edmonds, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 41850 W 11 Mile Rd Ste 202, Novi, MI 48375
Phone: 810-429-7859    
Denver Moses, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 41800 W 11 Mile Rd Ste 109, Novi, MI 48375
Phone: 248-660-1220    
Jonathan Michael Fleezanis,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 39500 W 10 Mile Rd Ste 100, Novi, MI 48375
Phone: 248-476-0035    
Kacie Lynn Christensen, FNP-BC
Nurse Practitioner
Medicare: May Accept Medicare Assignments
Practice Location: 26750 Providence Pkwy, Novi, MI 48374
Phone: 248-679-8000    
Sydney Krenz,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 47601 Grand River Ave, Novi, MI 48374
Phone: 248-465-4100    
Lydia Mayes Washington, MSN, FNP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 41800 W 11 Mile Rd Ste 109, Novi, MI 48375
Phone: 704-637-1182    
Jessica Dikhow, FNP-BC
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 26090 Lannys Road, Novi, MI 48375
Phone: 248-200-9420    

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.