Charles E. Greeson, M.D.
NPI 1003919994ActiveIndividual· Dermatology· San Angelo, TX
Dermatology (M.D.) in San Angelo, Texas, trained at University of Oklahoma College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,566,379 for 1,272 claims, against $236,310 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 14 companies reporting payments in 2025, $983.64 in all, mostly food and beverage.
Overview
| NPI | 1003919994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 6, 2006 |
| Last updated in NPPES | Jul 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | P1758 | TX |
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 - Dermatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,183 |
|---|---|
| Services billed | 4,119 across 77 procedure codes |
| Paid by Medicare | $236,310 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,272 · 1,531 30-day fills |
|---|---|
| Patients | 471 |
| Total drug cost | $1,566,379 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Dermatology |
Medical group
- Shannon ClinicSan Angelo, TX · 559 clinicians
Hospital affiliation
- Shannon Medical CenterSan Angelo, TX
Industry payments (Open Payments)
- 2025$983.64 · 56 payments from 14 companies
- 2024$530.72 · 22 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $164.60 | 20 |
| Genzyme Corporation | $157.66 | 3 |
| Janssen Biotech, Inc. | $147.94 | 9 |
| Regeneron Healthcare Solutions, Inc. | $134.72 | 4 |
| Ucb, Inc. | $101.87 | 5 |
What the 2025 payments were for
- Food and Beverage$983.64 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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