CMS-1500 Box 24J / 33a • NPI
1972512002
Type 1 Individual Rendering/Ordering
HIPAA NUCC Taxonomy • CMS Code
207RG0100X (CMS 10)
Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)
Box 32 Service Location & ZIP+4
233 E SHORE RD, STE 101, GREAT NECK, NY, 11023-2433
✓ 9-Digit EDI 837 ZIP+4 (11023-2433)
✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR:
NPI
1972512002 (CHAIM ABITTAN, 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 #1972512002)
Medicare Beneficiaries
635
Total Billed Services
1,916
Distinct CPT/HCPCS Codes
28
Medicare Allowed Total
$313,908.88
Actual Top Billed CPT / HCPCS Procedures (CMS Part B)
| CPT / HCPCS | Clinical Procedure Description | Services |
|---|---|---|
43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 157 |
45378 | Diagnostic exam of large bowel using a flexible endoscope | 11 |
45380 | Biopsy of large bowel using a flexible endoscope | 88 |
45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 114 |
99203 | New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 74 |
99204 | New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 193 |
99213 | Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 106 |
99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 277 |
Actual Top Prescribed Medications (CMS Part D)
| Brand / Generic Medication | Total Claims | Patients |
|---|---|---|
| Clenpiq Sod Picosulf/Mag Ox/Citric Ac | 14 | 14 |
| Creon Lipase/Protease/Amylase | 13 | <11 |
| Famotidine Famotidine | 91 | 33 |
| Lactulose Lactulose | 23 | 18 |
| Mesalamine Mesalamine | 24 | 12 |
| Nexium Esomeprazole Magnesium | 11 | <11 |
| Omeprazole Omeprazole | 67 | 31 |
| Pantoprazole Sodium Pantoprazole Sodium | 149 | 66 |
Official CMS NPPES Credential & Practice Profile
| 10-Digit NPI Number | 1972512002 (NPI-1 Individual Practitioner) |
|---|---|
| Provider / Legal Name | CHAIM ABITTAN, MD |
| Plain-English Specialty | Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist) NUCC Code: 207RG0100X (Internal Medicine, Gastroenterology) |
| Certifying / Licensing Body | American Board of Internal Medicine — Gastroenterology |
| Practice Location Address | 233 E SHORE RD, STE 101, GREAT NECK, NY, 11023-2433 |
| Practice Telephone / Fax | Tel: (516) 487-2444 | Fax: (516) 487-2446 |
| Administrative Mailing Address | 233 E SHORE RD, GREAT NECK, NY, 11023-2433 |
| Enumeration & Last Sync | Enumerated: 2006-08-07 | CMS Record Updated: 2011-03-07 |
Clinic Location, Accessibility & Directions
📍 Practice Location & Patient Access
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Plain-English Taxonomy & CMS Crosswalk (207RG0100X)
What Does Taxonomy Code 207RG0100X Mean?
In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RG0100X translates to:
"Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist)"
Specialty Clinical Procedures & Therapeutic Classes
Standard Scope of Care (CHAIM ABITTAN, MD)
Typical CPT / Diagnostic Procedures:- Screening & Diagnostic Colonoscopy with Polypectomy (CPT 45378–45385)
- Esophagogastroduodenoscopy / Upper GI Endoscopy (EGD — CPT 43239)
- Hepatic Elastography (FibroScan) & Fractionated Bilirubin/LFT Workup
- Internal Hemorrhoid Banding & Anorectal Diagnostic Evaluation
- Proton Pump Inhibitors (Omeprazole, Pantoprazole, Esomeprazole)
- H. pylori Quadruple & Triple Eradication Regimens
- Mesalamine & Biologic Immunomodulators (Inflammatory Bowel Disease)
- Osmotic Laxatives, Rifaximin & Ursodeoxycholic Acid
All Registered NUCC Taxonomies & State Licenses
| Taxonomy Code & Plain-English Description | State License & Primary Status |
|---|---|
207RG0100X — Internal Medicine, GastroenterologyPlain English: Board-Certified Gastroenterologist (Digestive Tract & Liver Specialist) | State: NY | License: 202628 | Primary: Yes (Primary) |
Medical Billing, RCM & Hospital Credentialing Teams:
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