CMS-1500 Box 24J / 33a • NPI
1184854218
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
208G00000X (CMS 02)
Licensed & Credentialed Allopathic & Osteopathic Physicians — Thoracic Surgery (Cardiothoracic Vascular Surgery)
Box 32 Service Location & ZIP+4
1200 SIXTH AVE N, CENTRACARE CLINIC, ST CLOUD, MN, 56303-2735
✓ 9-Digit EDI 837 ZIP+4 (56303-2735)
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR:
NPI
1184854218 (NATHANIEL JOHN U. CASTRO, MD) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).
CMS Medicare Order & Referring PECOS Eligibility
Medicare Part B
✓ Eligible
DMEPOS Ordering
✓ Eligible
Home Health (HHA)
✓ Eligible
Power Mobility
✓ Eligible
Hospice Referring
✓ Eligible
Empirical CMS Medicare Claims, CPT Utilization & Part D Prescribing (NPI #1184854218)
Medicare Beneficiaries
131
Total Billed Services
257
Distinct CPT/HCPCS Codes
48
Medicare Allowed Total
$117,748.18
Actual Top Billed CPT / HCPCS Procedures (CMS Part B)
| CPT / HCPCS | Clinical Procedure Description | Services |
|---|---|---|
33361 | Replacement of aortic valve through the skin and femoral artery | 36 |
33508 | Harvest of vein using an endoscope | 16 |
99205 | New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | 20 |
99205 | New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | 23 |
99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 31 |
Official CMS NPPES Credential & Practice Profile
| 10-Digit NPI Number | 1184854218 (NPI-1 Individual Practitioner) |
|---|---|
| Provider / Legal Name | NATHANIEL JOHN U. CASTRO, MD |
| Plain-English Specialty | Licensed & Credentialed Allopathic & Osteopathic Physicians — Thoracic Surgery (Cardiothoracic Vascular Surgery) NUCC Code: 208G00000X (Thoracic Surgery (Cardiothoracic Vascular Surgery)) |
| Certifying / Licensing Body | State Medical / Healthcare Licensing Board & National Specialty Board |
| Practice Location Address | 1200 SIXTH AVE N, CENTRACARE CLINIC, ST CLOUD, MN, 56303-2735 |
| Practice Telephone / Fax | Tel: (612) 625-3904 |
| Administrative Mailing Address | 1200 SIXTH AVE N, ST CLOUD, MN, 56303-2735 |
| Enumeration & Last Sync | Enumerated: 2009-07-23 | CMS Record Updated: 2011-04-04 |
Clinic Location, Accessibility & Directions
📍 Practice Location & Patient Access
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Plain-English Taxonomy & CMS Crosswalk (208G00000X)
What Does Taxonomy Code 208G00000X Mean?
In the HIPAA National Uniform Claim Committee (NUCC) classification, code 208G00000X translates to:
"Licensed & Credentialed Allopathic & Osteopathic Physicians — Thoracic Surgery (Cardiothoracic Vascular Surgery)"
Specialty Clinical Procedures & Therapeutic Classes
Standard Scope of Care (NATHANIEL JOHN U. CASTRO, MD)
Typical CPT / Diagnostic Procedures:- Comprehensive Outpatient & Inpatient Clinical Evaluation (CPT 99202–99215)
- Diagnostic Workup, Laboratory Ordering & Evidence-Based Care Coordination
- Preventive Screening, Patient Counseling & Multidisciplinary Referral
- Evidence-Based Specialty Pharmacotherapy & Preventive Regimens (CMS Part D Standard)
All Registered NUCC Taxonomies & State Licenses
| Taxonomy Code & Plain-English Description | State License & Primary Status |
|---|---|
208G00000X — Thoracic Surgery (Cardiothoracic Vascular Surgery)Plain English: Licensed & Credentialed Allopathic & Osteopathic Physicians — Thoracic Surgery (Cardiothoracic Vascular Surgery) | State: MN | License: 105327 | Primary: Yes (Primary) |
Medical Billing, RCM & Hospital Credentialing Teams:
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