Doctor profile · Federal record
Dr. Gamaliel Immanuel, MD
Gastroenterology Physician (CMS: Gastroenterology) · Hempstead, NY
- NPI 1598855231
- Accepts Medicare
- MIPS 11.8 / 100 · 2023
- 57 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
230 Hilton Ave
Hempstead, NY 115508115
(516) 565-5556
fax (516) 483-0396
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1969 — 57 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #142841
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598855231. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
845
Distinct HCPCS
7
Medicare allowed
$175,070
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 516 | 186 | $105 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 83 | 73 | $149 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 82 | 77 | $226 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 74 | 70 | $410 | |
45382 |
Control of bleeding of upper large bowel using a flexible endoscope | 64 | 60 | $800 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $195 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 11 | 11 | $500 |
In context: peer comparison
Among 2 peers in Hempstead Gastroenterology Physician, average services per provider: 89. This provider delivers 9.5× the peer median.Open Payments
Industry payments received
All-time total
$328
Transactions
15
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $127.06 | |
| Phathom Pharmaceuticals, INC. | 3 | $76.29 | |
| Exact Sciences Corporation | 2 | $49.25 | |
| Ironwood Pharmaceuticals, INC | 2 | $37.35 | |
| Ardelyx, INC. | 1 | $18.98 | |
| Ipsen Biopharmaceuticals, INC | 1 | $18.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,251
Patients
539
Total drug cost
$172,257
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 489 | 194 | $8,050 |
| Pantoprazole Sodium | Generic | 270 | 111 | $4,000 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 78 | 75 | $1,124 |
| Ursodiol | Generic | 65 | 24 | $10,936 |
| Balsalazide Disodium | Generic | 62 | 19 | $6,642 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 62 | 58 | $846 |
| Linzess (Linaclotide) | Brand | 55 | 19 | $78,985 |
| Sucralfate | Generic | 48 | 13 | $1,108 |
| Mesalamine | Generic | 41 | 15 | $45,790 |
| Lubiprostone | Generic | 15 | 0 | $4,003 |
Frequently asked questions
What is Dr. Gamaliel Immanuel's medical specialty?
Dr. Gamaliel Immanuel practices Gastroenterology Physician in Hempstead, NY.
Where does Dr. Gamaliel Immanuel practice?
Dr. Gamaliel Immanuel practices at 230 Hilton Ave, Hempstead, NY 115508115. Office phone: 5165655556.
What is Dr. Gamaliel Immanuel's NPI?
Dr. Gamaliel Immanuel's National Provider Identifier (NPI) is 1598855231, issued by NPPES.
Does Dr. Gamaliel Immanuel accept Medicare assignment?
Yes. Dr. Gamaliel Immanuel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gamaliel Immanuel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.