Charles B. Dinwiddie Jr., MD
NPI 1477526200ActiveIndividual· Internal Medicine· Muncie, IN
Internal Medicine (MD) in Muncie, Indiana, trained at Indiana University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $645,745 for 5,286 claims, against $63,295 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $638.58 in all, mostly food and beverage.
Overview
| NPI | 1477526200 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 10, 2006 |
| Last updated in NPPES | Aug 12, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 1033750 | IN |
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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 1,214 across 23 procedure codes |
| Paid by Medicare | $63,295 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,286 · 13,277 30-day fills |
|---|---|
| Patients | 317 |
| Total drug cost | $645,745 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
Medical group
- US Therapy IncMuncie, IN · 82 clinicians
Hospital affiliation
Other facilities
- Centerwell Home HealthHome health agency · Muncie, IN
- Elara CaringHome health agency · Fort Wayne, IN
Industry payments (Open Payments)
- 2025$638.58 · 38 payments from 11 companies
- 2024$954.28 · 54 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $200.59 | 10 |
| Astrazeneca Pharmaceuticals LP | $164.68 | 11 |
| Lilly USA, LLC | $106.76 | 6 |
| Glaxosmithkline, LLC. | $35.36 | 2 |
| Abbvie Inc. | $32.98 | 2 |
What the 2025 payments were for
- Food and Beverage$638.58 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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