Donald C. Gerhardt, MD
NPI 1619921673ActiveIndividual· Internal Medicine, Gastroenterology· Columbia, MO
Internal Medicine, Gastroenterology (MD) in Columbia, Missouri, trained at Saint Louis University School of Medicine (class of 1972). Part D covered 44 prescriptions written in 2024, 91% of them generic. Mauna Kea Technologies, Inc. reported $20.35 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1619921673 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Oct 10, 2022 |
| Certified by provider | Oct 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 34644 | 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 - Gastroenterology (MO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 83 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $12,403 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gastrointestinal Associates, LLCColumbia, MO · 30 clinicians
Hospital affiliation
- Boone Hospital CenterColumbia, MO
Industry payments (Open Payments)
- 2024$20.35 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Mauna Kea Technologies, Inc. | $20.35 | 1 |
What the 2024 payments were for
- Food and Beverage$20.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 gastroenterologists in Columbia · All gastroenterologists in Missouri