Doctor profile · Federal record
Dr. Chaim Abittan, MD
Gastroenterology Physician (CMS: Gastroenterology) · Great Neck, NY
- NPI 1972512002
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
233 E Shore RD, Ste 101
Great Neck, NY 110232433
(516) 487-2444
fax (516) 487-2446
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 7, 2011
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #202628
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972512002. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,314
Distinct HCPCS
10
Medicare allowed
$329,536
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 204 | 204 | $198 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 200 | 182 | $151 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 173 | 172 | $354 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 134 | 133 | $544 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 114 | 114 | $317 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 88 | 81 | $147 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 77 | 71 | $107 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 70 | 66 | $202 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 66 | 66 | $135 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 39 | 38 | $300 |
In context: peer comparison
Among 11 peers in Great Neck Gastroenterology Physician, average services per provider: 71. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$2,137
Transactions
131
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 48 | $587.90 | |
| Pfizer INC. | 15 | $308.66 | |
| Janssen Biotech, INC. | 15 | $300.17 | |
| Lilly USA, LLC | 16 | $219.35 | |
| Celgene Corporation | 12 | $149.64 | |
| Madrigal Pharmaceuticals | 5 | $121.30 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $83.71 | |
| Ardelyx, INC. | 3 | $56.66 | |
| Aimmune Therapeutics, INC. | 3 | $56.35 | |
| Phathom Pharmaceuticals, INC. | 2 | $44.16 | |
| Celltrion USA INC. | 2 | $35.80 | |
| CapsoVision, INC. | 2 | $34.14 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $28.95 | |
| Braintree Laboratories, INC. | 1 | $20.15 | |
| Genzyme Corporation | 1 | $19.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
679
Patients
340
Total drug cost
$745,404
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 133 | 133 | $23,263 |
| Pantoprazole Sodium | Generic | 129 | 58 | $2,092 |
| Omeprazole | Generic | 106 | 48 | $1,630 |
| Famotidine | Generic | 89 | 33 | $1,975 |
| Mesalamine | Generic | 42 | 13 | $33,227 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 32 | 32 | $2,306 |
| Xifaxan (Rifaximin) | Brand | 26 | 11 | $69,325 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 18 | 0 | $7,227 |
| Creon (Lipase/Protease/Amylase) | Brand | 17 | 0 | $52,871 |
| Lubiprostone | Generic | 17 | 0 | $9,370 |
Hospital affiliations
Frequently asked questions
What is Dr. Chaim Abittan's medical specialty?
Dr. Chaim Abittan practices Gastroenterology Physician in Great Neck, NY.
Where does Dr. Chaim Abittan practice?
Dr. Chaim Abittan practices at 233 E Shore RD, Great Neck, NY 110232433. Office phone: 5164872444.
What is Dr. Chaim Abittan's NPI?
Dr. Chaim Abittan's National Provider Identifier (NPI) is 1972512002, issued by NPPES.
Does Dr. Chaim Abittan accept Medicare assignment?
Yes. Dr. Chaim Abittan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chaim Abittan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.