Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DAVID ALAN JANSSEN, M.D.
ActiveDAVID ALAN JANSSEN, M.D. is a Infectious Disease healthcare provider located in O FALLON, Missouri. NPI 1700995339 is currently active in the NPPES registry. Verify at CMS.
Infectious Disease · O FALLON, MO
Registration Details
- NPI Number
- 1700995339
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 29, 2006 (19.998948989333 yrs)
- Last Updated
- Oct 21, 2025
- Licenses
-
208810309 (MO)103905 (MO)036176531 (IL)
Practice Information
- Address
-
20 PROGRESS POINT PKWY STE 206O FALLON, MO, 633682207Browse MO providers · Browse ZIP 63368
- Phone
- 6363442014
- Fax
- 3147471476
- Primary Specialty
-
Infectious Disease
207RI0200X
- Additional Specialty
- Specialist
- Additional Specialty
- Infectious Disease
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.