Seymour C. Katz
Expertise in
7
conditions

Dr. Seymour C. Katz

Gastroenterology
1999 Marcus Avenue, Suite 300, 
New Hyde Park, NY 
Accepting New Patients
Offers Telehealth
Referral may be required
Before you request
Expertise in
7
conditions
1999 Marcus Avenue, Suite 300, 
New Hyde Park, NY 

Overview

Seymour Katz is a Gastroenterologist practicing medicine in New Hyde Park, New York.

Dr. Katz is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colitis, and Endoscopy.

Dr. Katz is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology. He is actively involved in clinical research, co-authoring 68 peer reviewed articles and participating in 5 clinical trials. Dr. Katz is currently accepting new patients.

Specialties

Gastroenterology

Licenses

Specialist in NY

Board Certifications

American Board Of Internal Medicine
American Board Of Internal Medicine/Gastroenterology

Fellowships

New York Presbyterian Hospital-Weill Cornell

Hospital Affiliations

Nyu Langone Hospitals
Long Island Jewish Medical Center
Hofstra/Northwell School Of Medicine/Nursing
North Shore University Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CenterLight Healthcare
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Northwell Health
  • INSURANCE PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 15 Less Insurance Carriers -

Locations

1999 Marcus Avenue, Suite 300, New Hyde Park, NY 11042

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

5 Clinical Trials

A Phase 3 Long-term Safety Extension Study of SHP647 in Subjects With Moderate to Severe Ulcerative Colitis or Crohn's Disease (AIDA)
A Phase 3 Long-term Safety Extension Study of SHP647 in Subjects With Moderate to Severe Ulcerative Colitis or Crohn's Disease (AIDA)
Enrollment Status: Completed
Publish Date: June 21, 2024
Intervention Type: Drug
Study Drug: Ontamalimab
Study Phase: Phase 3
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Maintenance Therapy in Subjects With Moderate to Severe Crohn's Disease (CARMEN CD 307)
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Maintenance Therapy in Subjects With Moderate to Severe Crohn's Disease (CARMEN CD 307)
Enrollment Status: Terminated
Publish Date: March 31, 2022
Intervention Type: Drug, Other
Study Drug: Ontamalimab
Study Phase: Phase 3
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Maintenance Therapy in Subjects With Moderate to Severe Ulcerative Colitis (FIGARO UC 303)
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Maintenance Therapy in Subjects With Moderate to Severe Ulcerative Colitis (FIGARO UC 303)
Enrollment Status: Completed
Publish Date: January 14, 2022
Intervention Type: Other, Drug
Study Phase: Phase 3
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Induction Therapy in Subjects With Moderate to Severe Crohn's Disease (CARMEN CD 306)
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Induction Therapy in Subjects With Moderate to Severe Crohn's Disease (CARMEN CD 306)
Enrollment Status: Terminated
Publish Date: May 11, 2021
Intervention Type: Other, Biological
Study Phase: Phase 3
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Induction Therapy in Subjects With Moderate to Severe Ulcerative Colitis (FIGARO UC 302)
A Phase 3 Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Study of SHP647 as Induction Therapy in Subjects With Moderate to Severe Ulcerative Colitis (FIGARO UC 302)
Enrollment Status: Terminated
Publish Date: April 26, 2021
Intervention Type: Drug
Study Phase: Phase 3
View 4 Less Clinical Trials

68 Total Publications

Safety and Efficacy of Ustekinumab and Vedolizumab Among Older Adults with Inflammatory Bowel Disease.
Safety and Efficacy of Ustekinumab and Vedolizumab Among Older Adults with Inflammatory Bowel Disease.
Journal: Digestive diseases and sciences
Published: July 04, 2025
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Frequently Asked Questions about Dr. Seymour C. Katz

How do I make an appointment with Dr. Seymour C. Katz?

You can book an appointment with Dr. Seymour C. Katz by calling their office at 516-466-1051. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Seymour C. Katz a top-rated expert for Crohn's Disease?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Seymour C. Katz is classified as an Distinguished expert for Crohn's Disease, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Seymour C. Katz specialize in?

While Dr. Seymour C. Katz is a Gastroenterology, they have specific expertise in Crohn's Disease, Viral Gastroenteritis, and Ulcerative Colitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.

Does Dr. Seymour C. Katz participate in research or clinical trials?

Yes. Dr. Seymour C. Katz has published 68 articles and abstracts on conditions like Crohn's Disease. You can view a list of Dr. Seymour C. Katz's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Seymour C. Katz accept my insurance?

Dr. Seymour C. Katz accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 516-466-1051 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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