Raymundo Castillo Jr., PA
NPI 1891137576ActiveIndividual· Physician Assistant, Medical· Brownsville, TX
Physician Assistant, Medical (PA) with C.L. Anderson, Jr., M.D., PLLC, practicing in Brownsville, Texas. Their prescriptions cost Medicare Part D more than their services did: $423,859 for 4,285 claims, against $27,534 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $268.77 in all, mostly food and beverage.
Overview
| NPI | 1891137576 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jul 23, 2013 |
| Last updated in NPPES | Jul 24, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA08398 | 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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 263 |
|---|---|
| Services billed | 1,652 across 58 procedure codes |
| Paid by Medicare | $27,534 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,285 · 7,303 30-day fills |
|---|---|
| Patients | 1,396 |
| Total drug cost | $423,859 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- C.L. Anderson, Jr., M.D., PLLCHarlingen, TX · 14 clinicians
Industry payments (Open Payments)
- 2025$268.77 · 14 payments from 3 companies
- 2024$60.49 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $229.23 | 12 |
| Pfizer Inc. | $24.92 | 1 |
| Glaxosmithkline, LLC. | $14.62 | 1 |
What the 2025 payments were for
- Food and Beverage$268.77 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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