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

Dr. Millicent Leigh Horn, MD

Individual provider General Practice Physician · NPI 1427673821

Dr. Millicent Leigh Horn, MD is a General Practice Physician in Saint Louis, Missouri. Works from 2 locations. Licensed in Missouri.

Licensed in
MO
In the registry since
2020
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4901 Forest Park Ave Div Im General Med Ste 241
Saint Louis, MO 63108-1495
Phone: (314) 362-5060
Fax: (314) 362-6959
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 915 N Grand Blvd, Saint Louis, MO 63106-1621 — (314) 652-4100

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 2022032316 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2022032316 (MO)
Hospitalist Physician Taxonomy 208M00000X · Licence 2022032316 (MO)

Record details

NPI number1427673821
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2020
Last updated in NPPESSeptember 24, 2025
Certification dateSeptember 24, 2025

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