Ilan Seth Weisberg, M.D.
Gastroenterology Physician · New York, NY
Ilan Seth Weisberg, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1417117060, issued on Jun 16, 2008. Check the license (New York 237817, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ilan Seth Weisberg
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 237817 NY
Self-reported in NPPES; status is on the state search - Practice location
- 10 Union SQ E, New York, NY 10003
- Phone
- (212) 844-8331
- Enumerated
- Jun 16, 2008
- Record last updated
- Sep 18, 2023
- Fax
- (212) 844-6697
- Medicare enrollment
- Enrolled (PECOS I20110221000392); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2003
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 10 Union SQ E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frida Abramov, PAPhysician Assistant1083833636
- Christine Akoh, MD, PHDDermatology Physician1487238184
- Akash Alexander, PHARM.D., BCPS, CDEAmbulatory Care Pharmacist1497921506
- Shavon Alexander, MS, RDN, CDNRegistered Dietitian1396681847
- Julia Alishayev, PA-CPhysician Assistant1710394358
- Richard Amerling, MDInternal Medicine Physician1437130317
Verify Ilan Seth Weisberg 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 237817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average gastroenterology physician in 2024
220 Medicare Part D claims for 86 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Linzess24 claims
- Omeprazole18 claims
- Sod Sulf-Potass Sulf-Mag Sulf17 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.
Industry payments in 2024: $121,642.22
122 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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.
Bills Medicare through one group practice
- Kings Physician Services PCBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ilan Seth Weisberg among 1,797 gastroenterology physician records in New York
Ilan Seth Weisberg, M.D. 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 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 31% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2003 · median 1999 among the 1,378 with a school on file
- Record last updated2023 · 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 New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Karl Bednarek, MDNew York, NY 100031417932278
- Petros Benias, M.D.New, NY 100031649429077
- Brett Bernstein, MDNew York, NY 100031285606533
- Henry Bodenheimer, MDNew York, NY 100031063497295
- David Clain, MDNew York, NY 100031114902343
- Ian Cohen, M.D.New York, NY 100031962715144
- David Hudesman, M.D.New York, NY 100031538326970
- Melissa KangNew York, NY 100031700048154
Common questions
What is Ilan Seth Weisberg, M.D.'s NPI number?
Ilan Seth Weisberg, M.D.'s National Provider Identifier (NPI) is 1417117060, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ilan Seth Weisberg, M.D. located?
The NPPES record lists a practice address at 10 Union SQ E, New York, NY, 10003. Phone: (212) 844-8331. Providers update this record themselves, so call before visiting.
How can I verify Ilan Seth Weisberg, M.D.'s license?
NPPES lists New York license number 237817, 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 Ilan Seth Weisberg, M.D. prescribe under Medicare Part D?
In 2024, Ilan Seth Weisberg, M.D. had 220 Medicare Part D claims for 86 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.