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

Michelle Grimes, FNP

Individual provider Registered Nurse · NPI 1528503380

Michelle Grimes, FNP is a Nurse Practitioner in Florissant, Missouri. Qualified in 2014, 12 years ago. Practices with Oak Street Health Physicians Group of Missouri LLC, a 25-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Licensed in
MO
In the registry since
2017
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

472 N Highway 67 St
Florissant, MO 63031-5102
Phone: (314) 343-5061
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 4919 Jamestowne Ridge Ct, Black Jack, MO 63033-4554 — (636) 789-1499
  • 1551 Wall St Ste 110, Saint Charles, MO 63303-3540 — (636) 493-9601

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2017003913 (MO)
Registered Nurse Taxonomy 163W00000X · Licence 109025 (MO)

Record details

NPI number1528503380
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedJanuary 3, 2017
Last updated in NPPESSeptember 16, 2024
Certification dateSeptember 16, 2024
Mailing addressPo Box 740019, Atlanta, GA 30374-0019

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Oak Street Health Physicians Group Of Missouri Llc — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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