John Edward Hartweger, MD
NPI 1366443756ActiveIndividual· Internal Medicine· Saint Peters, MO
Internal Medicine (MD) in Saint Peters, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 1999). 291 Medicare patients in 2024, $81,989 paid; nearly all of their 832 Part D prescriptions were generic (90%).
Overview
| NPI | 1366443756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 9, 2005 |
| Last updated in NPPES | May 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2001032147 | MO |
| Pediatrics | 208000000X | 2001032147 | MO |
| Hospitalist | 208M00000X | 2001032147 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 1,202 across 9 procedure codes |
| Paid by Medicare | $81,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 832 · 876 30-day fills |
|---|---|
| Patients | 370 |
| Total drug cost | $26,832 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
Medical group
- Southeastern Physician Services PCSaint Peters, MO · 593 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Missouri Baptist Medical CenterSaint Louis, MO
Other facilities
- Bjc HospiceHospice · Saint Louis, MO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 internal medicine physicians in Saint Peters · All internal medicine physicians in Missouri