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

Mr. Keith Martin Patten, FNP

Individual provider Nurse Practitioner · NPI 1518443225

Mr. Keith Martin Patten, FNP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2018, 8 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
8
Licensed in
MO
In the registry since
2018
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

1 Childrens Pl Dept Otolaryngology Ste 3S
Saint Louis, MO 63110-1002
Phone: (314) 454-6162
Fax: (314) 454-2174
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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 2018024330 (MO)
Nurse Practitioner Taxonomy 363L00000X · Licence 2018024330 (MO)

Record details

NPI number1518443225
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedJuly 16, 2018
Last updated in NPPESJuly 15, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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