Kenneth L. Gerdes, M.D.
NPI 1720020100ActiveIndividual· Internal Medicine, Nephrology· Saint Louis, MO
Internal Medicine, Nephrology (M.D.) in Saint Louis, Missouri, licensed in MO and IL, with an NPI issued in June 2006. 137 Medicare patients in 2024, $38,511 paid; nearly all of their 144 Part D prescriptions were generic (99%).
Overview
| NPI | 1720020100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Dec 10, 2024 |
| Certified by provider | Dec 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | R6G82 | MO |
| Internal Medicine, Nephrology | 207RN0300X | 036-082405 | IL |
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 (IL); Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 441 across 10 procedure codes |
| Paid by Medicare | $38,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 144 · 230 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $19,562 |
| Generic share | 99% of claims |
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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