Maria R. Castro, M.D.
NPI 1598741589ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Rochester, MN
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Mayo Clinic, practicing in Rochester, Minnesota. In 2024 Medicare paid $19,056 for 141 patients, and Part D covered 306 of their prescriptions, 68% of them generic. Lists Mayo Clinic Hospital Rochester as a hospital affiliation.
Overview
| NPI | 1598741589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2005 |
| Last updated in NPPES | Aug 12, 2020 |
| Certified by provider | Aug 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 38989 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 174 across 11 procedure codes |
| Paid by Medicare | $19,056 |
Part D prescriptions in 2024
| Prescriptions (claims) | 306 · 816 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $26,085 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Mayo ClinicRochester, MN · 4,956 clinicians
Hospital affiliation
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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