Corazon Castano Medina, M.D.
NPI 1083883904ActiveIndividual· Internal Medicine· Anaheim, CA
Internal Medicine (M.D.) in Anaheim, California, licensed in CA, with an NPI issued in February 2008. Their prescriptions cost Medicare Part D more than their services did: $1,154,584 for 14,111 claims, against $21,703 paid for services in 2024. Kowa Pharmaceuticals America, Inc. was the largest of 4 companies reporting payments in 2025, $349.26 in all, mostly food and beverage. Lists Ahmc Anaheim Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1083883904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 25, 2008 |
| Last updated in NPPES | Mar 8, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A48129 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 622 across 16 procedure codes |
| Paid by Medicare | $21,703 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,111 · 32,127 30-day fills |
|---|---|
| Patients | 718 |
| Total drug cost | $1,154,584 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Ahmc Anaheim Regional Medical CenterAnaheim, CA
- Providence St. Jude Medical CenterFullerton, CA
Other facilities
- L A Metropolitan Home Health, IncorporationHome health agency · Artesia, CA
Industry payments (Open Payments)
- 2025$349.26 · 18 payments from 4 companies
- 2024$324.95 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $163.74 | 8 |
| Novo Nordisk Inc | $144.40 | 8 |
| Astrazeneca Pharmaceuticals LP | $22.88 | 1 |
| Abbott Laboratories | $18.24 | 1 |
What the 2025 payments were for
- Food and Beverage$349.26 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 235 internal medicine physicians in Anaheim · All internal medicine physicians in California