John Kenneth Boyer, M.D.
NPI 1912999285ActiveIndividual· Internal Medicine, Cardiovascular Disease· Columbia, MO
Internal Medicine, Cardiovascular Disease (M.D.) in Columbia, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,907,398 for 11,291 claims, against $230,315 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $468.86 in all, mostly food and beverage.
Overview
| NPI | 1912999285 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 22, 2005 |
| Last updated in NPPES | Mar 19, 2021 |
| Certified by provider | Mar 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 112968 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,384 |
|---|---|
| Services billed | 6,911 across 62 procedure codes |
| Paid by Medicare | $230,315 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,291 · 25,812 30-day fills |
|---|---|
| Patients | 1,107 |
| Total drug cost | $1,907,398 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Chas Physician Services LLCColumbia, MO · 25 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Lake Regional Health SystemOsage Beach, MO
- Macon County Samaritan Memorial HospitalMacon, MO
- Pershing Memorial HospitalBrookfield, MO
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$468.86 · 19 payments from 10 companies
- 2024$278.93 · 14 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $200.30 | 4 |
| Novartis Pharmaceuticals Corporation | $80.72 | 4 |
| Amgen Inc. | $50.14 | 3 |
| E.R. Squibb & Sons, L.L.C. | $35.90 | 2 |
| Abiomed | $21.57 | 1 |
What the 2025 payments were for
- Food and Beverage$468.86 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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