Arturo D. Castro Diaz, MD
NPI 1538621842ActiveIndividual· Internal Medicine· Bloomington, IN
Internal Medicine (MD) with Iu Health Medical Group LLC and 1 other group, practicing in Bloomington, Indiana. In 2024 Medicare paid $58,847 for 332 patients, and Part D covered 344 of their prescriptions, 87% of them generic. Lists Indiana University Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1538621842 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 4, 2019 |
| Last updated in NPPES | Oct 28, 2022 |
| Certified by provider | Oct 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01088753A | IN |
| Student in an Organized Health Care Education/Training Program | 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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 880 across 9 procedure codes |
| Paid by Medicare | $58,847 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 415 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $18,771 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- Indiana University Health Southern Indiana Physicians LLCBloomington, IN · 463 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health Bedford HospitalBedford, IN
- Indiana University Health Bloomington HospitalBloomington, IN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Bloomington
- 1033612528
- 1033615745
- 1083239537
- 1104059468
- 1154811610
- 1245661859
- 1265437057
- 1356305577
- 1386649465
- 1447811344
- 1477544153
- 1487836409
All 62 internal medicine physicians in Bloomington · All internal medicine physicians in Indiana