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

Dr. David William Horan, MD

Individual provider Internal Medicine Physician · NPI 1326583162

Dr. David William Horan, MD is an Internal Medicine Physician in St. Louis, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1401 S Brentwood Blvd Ste 835
St. Louis, MO 63144
Phone: (314) 503-6158
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence R-9455 (MO)

Record details

NPI number1326583162
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 4, 2017
Last updated in NPPESJanuary 4, 2017

Other providers in St. Louis