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

Marie Walker, MD, PHD

Individual provider Psychiatry Physician · NPI 1467767913

Marie Walker, MD, PHD is a Psychiatry Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2010.

Licensed in
MO
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1 Jefferson Barracks Rd
Saint Louis, MO 63125-4181
Phone: (314) 652-4100
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

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 201001 (MO)

Record details

NPI number1467767913
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedAugust 9, 2010
Last updated in NPPESMarch 30, 2024
Certification dateMarch 30, 2024

Other providers in Saint Louis