Seymour Katz, M.D.
Gastroenterology Physician · Great Neck, NY
Seymour Katz, M.D. is a gastroenterology physician with a practice address in Great Neck, New York, and NPI 1255337424, issued on Jun 22, 2005. Check the license (New York 094408, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Seymour Katz
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 094408 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Northern Blvd, Great Neck, NY 11021
- Phone
- (516) 466-2340
- Enumerated
- Jun 22, 2005
- Record last updated
- Jun 20, 2024
- Fax
- (516) 829-6421
- Medicare enrollment
- Enrolled (PECOS I20050620000845); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1964
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1000 Northern Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jay Aaron, MDInternal Medicine Physician1245332956
- Nelson Assael, DMDOral and Maxillofacial Surgery (Dentist)1548342868
- Adam Auerbach, M.D.Cardiovascular Disease Physician1669644761
- Bryan Baracaldo, DPTPhysical Therapist1073120739
- Maria Berenato, AU.D.Audiologist1851733752
- Michael Bordoy, OTR/LOccupational Therapist1073064614
Verify Seymour Katz 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 094408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average gastroenterology physician in 2024
1,050 Medicare Part D claims for 275 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Omeprazole265 claims
- Cholestyramine93 claims
- Lactulose86 claims
- Mesalamine68 claims
- Pantoprazole Sodium58 claims
- Famotidine56 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $56.50
2 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.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
Other gastroenterology physician records in New York
- Elie Abadie, MDBrooklyn, NY1639235435
- Hafsa Abbas, MDFlushing, NY1487061438
- Naeem Abbas, MDValley Stream, NY1437432192
- Uzma Abbasi, M.D.Oneida, NY1275856106
- Maisa Abdalla, M.D.Rochester, NY1669645222
- Muhammad Abdullah, MDBrooklyn, NY1053312645
- Arthur Abelow, MDBronx, NY1235242728
- Elie Abemayor, M.D.Mount Kisco, NY1376565358
- Jeffrey Abergel, MDCortlandt Manor, NY1649472382
- Chaim Abittan, MDGreat Neck, NY1972512002
Common questions
What is Seymour Katz, M.D.'s NPI number?
Seymour Katz, M.D.'s National Provider Identifier (NPI) is 1255337424, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Seymour Katz, M.D. located?
The NPPES record lists a practice address at 1000 Northern Blvd, Great Neck, NY, 11021. Phone: (516) 466-2340. Providers update this record themselves, so call before visiting.
How can I verify Seymour Katz, M.D.'s license?
NPPES lists New York license number 094408, 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 Seymour Katz, M.D. prescribe under Medicare Part D?
In 2024, Seymour Katz, M.D. had 1,050 Medicare Part D claims for 275 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Seymour Katz, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. 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.