Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marissa Dawn Walker, FNP-C

Individual provider Family Nurse Practitioner · NPI 1487261392

Marissa Dawn Walker, FNP-C is a Nurse Practitioner in Novi, Michigan. Qualified in 2020, 6 years ago. Practices with Theoria Medical, a 342-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
6
Licensed in
MI
In the registry since
2020
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

41850 W 11 Mile Rd Ste 202
Novi, MI 48375-1857
Phone: (248) 860-4634
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 4704304415 (MI)

Record details

NPI number1487261392
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedSeptember 24, 2020
Last updated in NPPESFebruary 6, 2024
Certification dateFebruary 6, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Theoria Medical — 342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Novi