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

MS. Melissa Amy Grizzle, FNP

Individual provider Family Nurse Practitioner · NPI 1205124070

MS. Melissa Amy Grizzle, FNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2009, 17 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
17
Licensed in
MO
In the registry since
2011
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

1 Barnes Jewish Hospital Plz Div Im Medical Oncology
Saint Louis, MO 63110-1003
Phone: (800) 647-2098
Fax: (314) 362-3192
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2010010923 (MO)

Record details

NPI number1205124070
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJuly 14, 2011
Last updated in NPPESApril 17, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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