CMS-1500 Box 24J / 33a • NPI
1861445421
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
207RH0003X (CMS 11)
Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)
Box 32 Service Location & ZIP+4
1500 SE MAGNOLIA EXT STE 205, OCALA, FL, 34471-4461
✓ 9-Digit EDI 837 ZIP+4 (34471-4461)
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR:
NPI
1861445421 (PETER ISTVAN ACS, M.D.) 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
Official CMS NPPES Credential & Practice Profile
| 10-Digit NPI Number | 1861445421 (NPI-1 Individual Practitioner) |
|---|---|
| Provider / Legal Name | PETER ISTVAN ACS, M.D. |
| Plain-English Specialty | Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: 207RH0003X (Internal Medicine, Hematology & Oncology) |
| Certifying / Licensing Body | American Board of Internal Medicine (ABIM) |
| Practice Location Address | 1500 SE MAGNOLIA EXT STE 205, OCALA, FL, 34471-4461 |
| Practice Telephone / Fax | Tel: (352) 529-8232 | Fax: (352) 492-6427 |
| Administrative Mailing Address | 1500 SE MAGNOLIA EXT STE 205, OCALA, FL, 34471-4461 |
| Enumeration & Last Sync | Enumerated: 2006-05-17 | CMS Record Updated: 2026-08-06 |
Clinic Location, Accessibility & Directions
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Plain-English Taxonomy & CMS Crosswalk (207RH0003X)
What Does Taxonomy Code 207RH0003X Mean?
In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RH0003X translates to:
"Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)"
Specialty Clinical Procedures & Therapeutic Classes
Standard Scope of Care (PETER ISTVAN ACS, M.D.)
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 |
|---|---|
207RH0003X — Internal Medicine, Hematology & OncologyPlain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) | State: FL | License: me95855 | Primary: Yes (Primary) |
207RX0202X — Internal Medicine, Medical OncologyPlain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) | State: VA | License: 0101235082 | Primary: Secondary |
207RH0003X — Internal Medicine, Hematology & OncologyPlain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) | State: VA | License: 0101235082 | Primary: Secondary |
Medical Billing, RCM & Hospital Credentialing Teams:
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