Reuben Arthur Castillo, M.D.
NPI 1043539935ActiveIndividual· Student in an Organized Health Care Education/Training Program· Loma Linda, CA
Student in an Organized Health Care Education/Training Program (M.D.) in Loma Linda, California, trained at University of California, San Francisco School of Medicine (class of 2010). In 2024 Medicare paid $65,587 for 441 patients, and Part D covered 120 of their prescriptions, 89% of them generic. Stryker Corporation reported $26.93 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043539935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2010 |
| Last updated in NPPES | May 18, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 692 across 20 procedure codes |
| Paid by Medicare | $65,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 121 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $5,849 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliation
- Kaweah Health Medical CenterVisalia, CA
Industry payments (Open Payments)
- 2025$26.93 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $26.93 | 1 |
What the 2025 payments were for
- Food and Beverage$26.93 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Student in an Organized Health Care Education/Training Program providers in Loma Linda
- 1225460306
- 1467745851
- 1528231727
- 1689177453
- 1811486038
- 1851824692
- 1043607633
- 1194344697
- 1306473004
- 1396273793
- 1518603448
- 1679109607
All 1,034 Student in an Organized Health Care Education/Training Program providers in Loma Linda · All Student in an Organized Health Care Education/Training Program providers in California