Quick answers
- Which hospitals does Nathaniel J. Castro work at?
- Medicare's official clinician data lists Nathaniel J. Castro at 1 hospital: CentraCare - St. Cloud Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel J. Castro see patients?
- Medicare's clinician data lists 10 practice locations, including Waite Park, MN, Saint Cloud, MN and St Cloud, MN. Call before your visit to confirm the address.
- What is Nathaniel J. Castro's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Nathaniel J. Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel J. Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Nathaniel J. Castro?
- (320) 259-9375, as listed in official Medicare / NPI Registry data.
- What is Nathaniel J. Castro's NPI number?
- 1184854218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel J. Castro works
Medicare's Facility Affiliation Data lists Nathaniel J. Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CentraCare - St. Cloud HospitalSaint Cloud, MN · Acute Care Hospital · CCN 240036
Practice locations
Addresses where Nathaniel J. Castro is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 110 2nd St S, Suite 104Waite Park, MN 56387 (320) 259‑9375
- 1200 6th Ave NSaint Cloud, MN 56303
- 1200 6th Ave NSt Cloud, MN 56303 (320) 252‑5131
- 1200 6th Ave N, Centracare Clic River CampusSaint Cloud, MN 56303 (320) 252‑5131
- 1200 6th N AveSaint Cloud, MN 56303 (320) 252‑5131
Group practices
Medicare enrollment lists Nathaniel J. Castro as a member of these groups (CMS data updated 2026-10-02).
- CentraCare Clinic791 clinicians in the group
- St Cloud Hospital207 clinicians in the group
Specialties
Other thoracic surgeons in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184854218 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians