Alexander Chase Castillo, M.D.
NPI 1962822684ActiveIndividual· Surgery, Plastic and Reconstructive Surgery· McAllen, TX
Surgery, Plastic and Reconstructive Surgery (M.D.) in McAllen, Texas, trained at University of Texas Medical Branch at Galveston (class of 2014). 30 Medicare patients in 2024, $16,695 paid; all of their 149 Part D prescriptions were generic. Axogen was the largest of 3 companies reporting payments in 2025, $80.17 in all, mostly food and beverage.
Overview
| NPI | 1962822684 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 21, 2014 |
| Last updated in NPPES | Mar 23, 2023 |
| Certified by provider | Mar 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Plastic and Reconstructive Surgery Primary | 2086S0122X | T1314 | TX |
| Surgery | 208600000X | T1314 | TX |
| Surgery, Plastic and Reconstructive Surgery | 2086S0122X | BP10050299 | TX |
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 - Plastic and Reconstructive Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 75 across 33 procedure codes |
| Paid by Medicare | $16,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 149 · 149 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $912.95 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Plastic And Reconstructive Surgery |
Hospital affiliation
- Doctors Hosptal at RenaissanceEdinburg, TX
Industry payments (Open Payments)
- 2025$80.17 · 4 payments from 3 companies
- 2024$158.08 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axogen | $34.68 | 2 |
| Novo Nordisk Inc | $28.56 | 1 |
| Mentor Worldwide LLC | $16.93 | 1 |
What the 2025 payments were for
- Food and Beverage$80.17 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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