Search › Missouri › Infectious Disease Physician
David Janssen, M.D
NPI 1700995339 · on the registry since 2006
Practice
- Address
- 20 Progress Point Pkwy Ste 206
O Fallon, MO 63368 - Phone
- (636) 344-2014
- Fax
- (314) 747-1476
- Organisation at this address
- Washington University
Wuca-O'Fallon Pediatrics, LlcInferred from a shared address, not stated in the registry. - Clinicians at this address
- 61
Additional practice sites
- 621 S. New Ballas Road, St. Louis, MO
Registry record
- Primary taxonomy
- Infectious Disease Physician
207RI0200X
- Also registered as
- Specialist
Infectious Disease Physician - Licence states on file
- MO, IL
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-10-21
- Status
- Not present in the most recent federal file
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Missouri