NPPES file of Aug 9, 2026

Nathaniel John U. Castro, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · St Cloud, MN

Nathaniel John U. Castro, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in St Cloud, Minnesota, and NPI 1184854218, issued on Jul 23, 2009. Check the license (Minnesota 105327, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184854218
Name
Nathaniel John U. Castro
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
105327 MN
Self-reported in NPPES; status is on the state search
Practice location
1200 Sixth Ave N, St Cloud, MN 56303
Phone
(612) 625-3904
Enumerated
Jul 23, 2009
Record last updated
Apr 4, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110622000186); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 Sixth Ave N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Olayiwola Adetunji, MBBSHospitalist Physician1578552477
  2. Oluyemi Ajayi, MBBSHospitalist Physician1972701217
  3. Chadd Allen, PA-CPhysician Assistant1699071803
  4. Sarah Babst, APRN, CNPFamily Nurse Practitioner1154799781
  5. David Benditt, MDCardiovascular Disease Physician1073559134
  6. Courtney Brever, PA-CPhysician Assistant1093120131

Verify Nathaniel John U. Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 105327    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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Industry payments in 2024: $506.08

18 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathaniel Castro$506.08
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. St Cloud HospitalWaite Park, MN · Acute Care Hospitals4 of 5 stars
  2. Centracare ClinicSaint Cloud, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Minnesota

There are 163 thoracic surgery (cardiothoracic vascular surgery) physician records in Minnesota.

All 163 in Minnesota → Every provider in St Cloud →

Other thoracic surgery (cardiothoracic vascular surgery) physician records in Minnesota

  1. Jonathan Afoke, MBBS MD FRCSRochester, MN1750016507
  2. Matthew Aizpuru, MDRochester, MN1669932836
  3. Fu'Ad Al-Azzam, MDRochester, MN1295136232
  4. Khaled Algarni, BMBCHRochester, MN1609206887
  5. Mohammed Alharbi, MBBSRochester, MN1427893882
  6. Mark Allen, M.D.Rochester, MN1396721312
  7. Salah Eldien Altarabsheh, MBBCHRochester, MN1013248681
  8. Yahya Alwatari, MDRochester, MN1376063180
  9. Eric Anderson, M.D.Minneapolis, MN1962729327
  10. Rafael Andrade, M.D.Minneapolis, MN1538103155

Common questions

What is Nathaniel John U. Castro, MD's NPI number?

Nathaniel John U. Castro, MD's National Provider Identifier (NPI) is 1184854218, issued on Jul 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel John U. Castro, MD located?

The NPPES record lists a practice address at 1200 Sixth Ave N, St Cloud, MN, 56303. Phone: (612) 625-3904. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel John U. Castro, MD's license?

NPPES lists Minnesota license number 105327, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.