CMS-1500 Box 24J / 33a • NPI
1881379899
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
207R00000X (CMS 11)
Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
Box 32 Service Location & ZIP+4
824 E CARSON ST STE 104, CARSON, CA, 90745-2262
✓ 9-Digit EDI 837 ZIP+4 (90745-2262)
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR:
NPI
1881379899 (OSMAN ADALBERTO ALVARADO PORTILLO, 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
Empirical CMS Medicare Claims, CPT Utilization & Part D Prescribing (NPI #1881379899)
Actual Top Prescribed Medications (CMS Part D)
| Brand / Generic Medication | Total Claims | Patients |
|---|---|---|
| Alendronate Sodium Alendronate Sodium | 12 | <11 |
| Atorvastatin Calcium Atorvastatin Calcium | 16 | 14 |
| Jardiance Empagliflozin | 12 | <11 |
| Lisinopril Lisinopril | 11 | <11 |
Official CMS NPPES Credential & Practice Profile
| 10-Digit NPI Number | 1881379899 (NPI-1 Individual Practitioner) |
|---|---|
| Provider / Legal Name | OSMAN ADALBERTO ALVARADO PORTILLO, MD |
| Plain-English Specialty | Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: 207R00000X (Internal Medicine) |
| Certifying / Licensing Body | American Board of Internal Medicine (ABIM) |
| Practice Location Address | 824 E CARSON ST STE 104, CARSON, CA, 90745-2262 |
| Practice Telephone / Fax | Tel: (310) 233-3203 |
| Administrative Mailing Address | PO BOX 35380, LAS VEGAS, NV, 89133-5380 |
| Enumeration & Last Sync | Enumerated: 2023-06-19 | CMS Record Updated: 2026-06-18 |
Clinic Location, Accessibility & Directions
📍 Practice Location & Patient Access
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Plain-English Taxonomy & CMS Crosswalk (207R00000X)
What Does Taxonomy Code 207R00000X Mean?
In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207R00000X translates to:
"Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)"
Specialty Clinical Procedures & Therapeutic Classes
Standard Scope of Care (OSMAN ADALBERTO ALVARADO PORTILLO, MD)
Typical CPT / Diagnostic Procedures:- Complex Multi-System Adult Diagnostic Workup (CPT 99204–99215)
- Preoperative Medical Risk Assessment & Cardiac Clearance
- Chronic Kidney, Hepatic & Metabolic Panel Interpretation
- Adult Inpatient Hospitalist Management & Discharge Coordination
- Antihypertensives (ACE Inhibitors, ARBs, Calcium Channel Blockers, Thiazides)
- Oral Antidiabetic Agents, Basal/Bolus Insulins & Lipid-Lowering Statins
- Direct Oral Anticoagulants (Apixaban, Rivaroxaban) & Antiplatelets
- Levothyroxine (Hypothyroidism) & Proton Pump Inhibitors (Pantoprazole)
All Registered NUCC Taxonomies & State Licenses
| Taxonomy Code & Plain-English Description | State License & Primary Status |
|---|---|
390200000X — Student in an Organized Health Care Education/Training ProgramPlain English: Licensed & Credentialed Student in an Organized Health Care Education/Training Program | State: N/A | License: Verified | Primary: Secondary |
207R00000X — Internal MedicinePlain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) | State: CA | License: A208416 | Primary: Yes (Primary) |
Medical Billing, RCM & Hospital Credentialing Teams:
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