Meegan Christa Chestnut, M.D.
NPI 1255513636ActiveIndividual· Internal Medicine· Columbia, MD
Internal Medicine (M.D.) in Columbia, Maryland, trained at Wayne State University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $171,693 for 1,626 claims, against $57,738 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $462.04 in all, mostly food and beverage.
Overview
| NPI | 1255513636 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 28, 2007 |
| Last updated in NPPES | Oct 13, 2026 |
| Certified by provider | Oct 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D072639 | MD |
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 - Internal Medicine (DC); Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 143 |
|---|---|
| Services billed | 772 across 28 procedure codes |
| Paid by Medicare | $57,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,626 · 3,968 30-day fills |
|---|---|
| Patients | 265 |
| Total drug cost | $171,693 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Primary Medicine LLCLaurel, MD · 7 clinicians
Industry payments (Open Payments)
- 2025$462.04 · 21 payments from 8 companies
- 2024$789.38 · 39 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $233.45 | 11 |
| Lilly USA, LLC | $67.98 | 3 |
| Astrazeneca Pharmaceuticals LP | $46.72 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $30.29 | 1 |
| Hologic Sales and Service, LLC | $28.83 | 1 |
What the 2025 payments were for
- Food and Beverage$462.04 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 175 internal medicine physicians in Columbia · All internal medicine physicians in Maryland