Melissa Ann Kainer Erwin, M.D.
NPI 1649288846ActiveIndividual· Dermatology· El Campo, TX
Dermatology (M.D.) in El Campo, Texas, trained at University of Texas Medical School at Houston (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,059,069 for 1,863 claims, against $538,814 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,146 in all, mostly food and beverage.
Overview
| NPI | 1649288846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Apr 22, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | L7946 | 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 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 - Dermatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,722 |
|---|---|
| Services billed | 10,244 across 61 procedure codes |
| Paid by Medicare | $538,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,863 · 2,328 30-day fills |
|---|---|
| Patients | 691 |
| Total drug cost | $1,059,069 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Dermatology |
Medical group
- Melissa A Kainer Erwin MD PAEl Campo, TX · 3 clinicians
Hospital affiliation
- El Campo Memorial HospitalEl Campo, TX
Industry payments (Open Payments)
- 2025$1,146 · 82 payments from 12 companies
- 2024$1,091 · 74 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $253.03 | 23 |
| Galderma Laboratories, L.P. | $229.52 | 17 |
| Janssen Biotech, Inc. | $200.86 | 17 |
| Regeneron Healthcare Solutions, Inc. | $176.60 | 8 |
| Novartis Pharmaceuticals Corporation | $76.31 | 3 |
What the 2025 payments were for
- Food and Beverage$1,131 · 80 payments
- Education$14.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in El Campo
- 1083109532
- 1407899875