Blake John Welschmeyer, D.O.
NPI 1154771178ActiveIndividual· Internal Medicine· Columbia, MO
Internal Medicine (D.O.) with Macon County Samaritan Hospital and 1 other group, practicing in Columbia, Missouri. 254 Medicare patients in 2024, $49,471 paid; nearly all of their 275 Part D prescriptions were generic (92%). Travere Therapeutics, Inc. was the largest of 8 companies reporting payments in 2025, $314.12 in all, mostly food and beverage. Lists Boone Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154771178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2016 |
| Last updated in NPPES | Jun 30, 2026 |
| Certified by provider | Jun 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2019024289 | MO |
| Internal Medicine, Nephrology | 207RN0300X | 2019024289 | MO |
| Hospitalist | 208M00000X | 2019024289 | 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 - Nephrology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 567 across 13 procedure codes |
| Paid by Medicare | $49,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 275 · 312 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $10,456 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Macon County Samaritan HospitalMacon, MO · 38 clinicians
- Nephrology and Hypertension AssociatesColumbia, MO · 7 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Macon County Samaritan Memorial HospitalMacon, MO
Industry payments (Open Payments)
- 2025$314.12 · 16 payments from 8 companies
- 2024$221.97 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $65.12 | 5 |
| Novartis Pharmaceuticals Corporation | $61.11 | 2 |
| Mallinckrodt Hospital Products Inc. | $49.68 | 3 |
| Amgen Inc. | $48.98 | 2 |
| Merck Sharp & Dohme LLC | $31.48 | 1 |
What the 2025 payments were for
- Food and Beverage$314.12 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 221 internal medicine physicians in Columbia · All internal medicine physicians in Missouri