Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nathaniel John U. Castro, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1184854218

Nathaniel John U. Castro, MD is a Thoracic Surgery in St Cloud, Minnesota. Qualified in 1990, 36 years ago. Practices with St Cloud Hospital, a 215-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
36
Licensed in
MN
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 Sixth Ave N Centracare Clinic
St Cloud, MN 56303-2735
Phone: (612) 625-3904
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 105327 (MN)

Record details

NPI number1184854218
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 23, 2009
Last updated in NPPESApril 4, 2011
Mailing address1200 Sixth Ave N, Centracare Clinic, St Cloud, MN 56303-2735

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice St Cloud Hospital — 215 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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