Michael Warren Smith, MD
Internal Medicine (MD) in Charlotte, North Carolina, trained at University of South Carolina School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $154,105 for 1,319 claims, against $42,739 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $759.45 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1003830530 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Jun 27, 2023 |
| Certified by provider | Jun 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 200300709 | NC |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in North Carolina, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Michael L. Smith · Nurse/Nurses Aide | 1128b4 | Jul 20, 2005 | Greenville, NC |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 - Internal Medicine (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 807 across 50 procedure codes |
| Paid by Medicare | $42,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,319 · 2,666 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $154,105 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of South Carolina School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical group
- Signature Healthcare PLLCCharlotte, NC · 14 clinicians
Hospital affiliation
- Carolinas Medical Center/Behav HealthCharlotte, NC
Other facilities
- Bayada Home Health Care, IncHome health agency · Charlotte, NC
Industry payments (Open Payments)
- 2025$759.45 · 38 payments from 23 companies
- 2024$669.46 · 37 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $74.27 | 4 |
| Boston Scientific Corporation | $71.80 | 3 |
| Novo Nordisk Inc | $63.99 | 3 |
| Amgen Inc. | $62.00 | 4 |
| Novartis Pharmaceuticals Corporation | $55.07 | 2 |
What the 2025 payments were for
- Food and Beverage$759.45 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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