Dan L. Pierce, M.D.
NPI 1215920541ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Columbia, MO
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Columbia, Missouri, trained at University of Missouri, Columbia School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,126,600 for 5,672 claims, against $214,374 paid for services in 2024. Genzyme Corporation was the largest of 9 companies reporting payments in 2025, $256.03 in all, mostly food and beverage.
Overview
| NPI | 1215920541 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Feb 27, 2026 |
| Certified by provider | Feb 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 100559 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,055 |
|---|---|
| Services billed | 5,039 across 69 procedure codes |
| Paid by Medicare | $214,374 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,672 · 12,111 30-day fills |
|---|---|
| Patients | 672 |
| Total drug cost | $1,126,600 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Missouri, Columbia School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Chas Physician Services LLCColumbia, MO · 25 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Hermann Area District HospitalHermann, MO
- Macon County Samaritan Memorial HospitalMacon, MO
Industry payments (Open Payments)
- 2025$256.03 · 13 payments from 9 companies
- 2024$661.78 · 23 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $43.03 | 2 |
| Astrazeneca Pharmaceuticals LP | $37.54 | 2 |
| E.R. Squibb & Sons, L.L.C. | $36.56 | 2 |
| Pfizer Inc. | $35.22 | 2 |
| Cvrx, Inc. | $24.98 | 1 |
What the 2025 payments were for
- Food and Beverage$256.03 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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