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

John Edward Hartweger, MD

Individual provider Internal Medicine Physician · NPI 1366443756

John Edward Hartweger, MD is an Internal Medicine in Saint Peters, Missouri. Graduated from University of Missouri, Kansas City, School of Medicine in 1999, 27 years ago. Practices with Southeastern Physician Services PC, a 598-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
27
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
MO
In the registry since
2005
Specialties on file
3
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

10 Hospital Dr
Saint Peters, MO 63376-1659
Phone: (314) 317-0600
Fax: (314) 317-0606
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 2001032147 (MO)
Pediatrics Physician Taxonomy 208000000X · Licence 2001032147 (MO)
Hospitalist Physician Taxonomy 208M00000X · Licence 2001032147 (MO)

Record details

NPI number1366443756
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 9, 2005
Last updated in NPPESMay 8, 2014

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Southeastern Physician Services Pc — 598 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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