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

John Wiedner, MD

Individual provider Internal Medicine Physician · NPI 1639151244

John Wiedner, MD is an Internal Medicine in Wildwood, Missouri. Graduated from Rush Medical College of Rush University in 1985, 41 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
41
Trained at
Rush Medical College of Rush University
Licensed in
MO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

16759 Main St Ste 203
Wildwood, MO 63040-1232
Phone: (636) 458-4800
Fax: (636) 594-7500
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 R6G00 (MO)

Record details

NPI number1639151244
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 18, 2005
Last updated in NPPESMay 2, 2016
Mailing address16759 Main St, Suite 203, Wildwood, MO 63040-1232

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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