IndividualActive
David Janssen, M.D.
NPI 1700995339 · Infectious Disease Physician · O Fallon, MO
Provider details
- NPI number
- 1700995339
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 208810309 (MO)
Practice location
20 Progress Point Pkwy Ste 206
O Fallon, MO 63368-2207
Phone: (636) 344-2014
Fax: (314) 747-1476
Mailing address
20 Progress Point Pkwy Ste 206
O Fallon, MO 63368-2207
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2025-10-21
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.