David Ernesto Castillo Saavedra, MD
NPI 1326601303ActiveIndividual· Dermatology· Mankato, MN
Dermatology (MD) with Mayo Clinic Health System-Southwest Minnesota Region, practicing in Mankato, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $706,939 for 1,463 claims, against $130,054 paid for services in 2024. Lists Mayo Clinic Health System - Fairmont and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1326601303 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 16, 2019 |
| Last updated in NPPES | Jun 23, 2023 |
| Certified by provider | Jun 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 74367 | MN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Dermatology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 545 |
|---|---|
| Services billed | 3,218 across 40 procedure codes |
| Paid by Medicare | $130,054 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,463 · 1,743 30-day fills |
|---|---|
| Patients | 383 |
| Total drug cost | $706,939 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN · 661 clinicians
Hospital affiliations
- Mayo Clinic Health System - FairmontFairmont, MN
- Mayo Clinic Health System - MankatoMankato, MN
- Mayo Clinic Health System - WasecaWaseca, MN
- Mayo Clinic Health System New PragueNew Prague, MN
- Mayo Clinic Health System St. JamesSt James, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Mankato
- 1811486871
- 1225017247
- 1437110640
- 1275306441
- 1295354397