Gamaliel Immanuel, MD
Gastroenterology Physician · Hempstead, NY
Gamaliel Immanuel, MD is a gastroenterology physician with a practice address in Hempstead, New York, and NPI 1598855231, issued on Oct 13, 2006. Check the license (New York 142841, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gamaliel Immanuel
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 142841 NY
Self-reported in NPPES; status is on the state search - Practice location
- 230 Hilton Ave, Hempstead, NY 11550
- Phone
- (516) 565-5556
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 483-0396
- Medicare enrollment
- Enrolled (PECOS I20110331000054); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 230 Hilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gamaliel Immanuel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 142841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average gastroenterology physician in 2024
1,280 Medicare Part D claims for 240 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Famotidine477 claims
- Pantoprazole Sodium253 claims
- Gavilyte-C79 claims
- Balsalazide Disodium63 claims
- Ursodiol63 claims
- Linzess44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 11.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $327.66
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gamaliel Immanuel among 1,797 gastroenterology physician records in New York
Gamaliel Immanuel, MD is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1969 · median 1999 among the 1,378 with a school on file
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Hempstead → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Richard Pellegrini, M.D.Hempstead, NY 115501316912207
- Umair Nasir, DOUniondale, NY 115531780172445
- Vikram Singh, MDUniondale, NY 115531336550524
- Jennifer Slane, D.O.Uniondale, NY 115531336401371
- Syed Karim, DOEast Meadow, NY 115541073047114
- Seth LipkaEast Meadow, NY 115541831404052
- Paul Mustacchia, M.D.East Meadow, NY 115541285693820
- Richard Rubin, MDEast Meadow, NY 115541851381750
Common questions
What is Gamaliel Immanuel, MD's NPI number?
Gamaliel Immanuel, MD's National Provider Identifier (NPI) is 1598855231, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gamaliel Immanuel, MD located?
The NPPES record lists a practice address at 230 Hilton Ave, Hempstead, NY, 11550. Phone: (516) 565-5556. Providers update this record themselves, so call before visiting.
How can I verify Gamaliel Immanuel, MD's license?
NPPES lists New York license number 142841, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gamaliel Immanuel, MD prescribe under Medicare Part D?
In 2024, Gamaliel Immanuel, MD had 1,280 Medicare Part D claims for 240 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Gamaliel Immanuel, MD's MIPS final score?
The 2023 MIPS final score is 11.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.