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

Dr. Ian K Hornstra, MD

Individual provider Dermatology Physician · NPI 1124044359

Dr. Ian K Hornstra, MD is a Dermatology Physician in Saint Louis, Missouri. Works from 2 locations. Licensed in Missouri.

Licensed in
MO
In the registry since
2006
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

915 N Grand Blvd
Saint Louis, MO 63106
Phone: (314) 652-4100
Fax: (314) 238-6569
Show map & directions

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

Additional practice locations (1)

  • 4901 Forest Park Ave, Saint Louis, MO 63108-1495 — (314) 273-3376

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence R2H85 (MO)

Record details

NPI number1124044359
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESMay 7, 2024
Certification dateMay 7, 2024

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