Seymour Katz
Advanced in Ulcerative Colitis

Dr. Seymour Katz

Gastroenterology | Internal Medicine
Northwell Health
1999 Marcus Avenue, Suite 300, 
New Hyde Park, NY 
On Staff At
Advanced in Ulcerative Colitis
Northwell Health
1999 Marcus Avenue, Suite 300, 
New Hyde Park, NY 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Seymour Katz is an Internal Medicine specialist and a Gastroenterologist in New Hyde Park, New York. Dr. Katz is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colitis, and Endoscopy.

His clinical research consists of co-authoring 73 peer reviewed articles and participating in 5 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 24 articles and participated in 3 clinical trials in the study of Ulcerative Colitis.

Graduate Institution
The City College Of New York|New York University School Of Medicine
Residency
Albert Einstein College of Medicine-Yeshiva University
Specialties
Gastroenterology
Internal Medicine
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
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
  • 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
Call: 516-466-1051

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

73 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
View All 73 Publications
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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

Find Dr. Katz's expertise for a condition
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    • Distinguished
    • Crohn's Disease
      Dr. Katz is
      Distinguished
      . Learn about Crohn's Disease.
      See more Crohn's Disease experts
    • Viral Gastroenteritis
      Dr. Katz is
      Distinguished
      . Learn about Viral Gastroenteritis.
      See more Viral Gastroenteritis experts
    • Advanced
    • Chronic Idiopathic Constipation (CIC)
      Dr. Katz is
      Advanced
      . Learn about Chronic Idiopathic Constipation (CIC).
      See more Chronic Idiopathic Constipation (CIC) experts
    • Colitis
      Dr. Katz is
      Advanced
      . Learn about Colitis.
      See more Colitis experts
    • Gastric Dysmotility
      Dr. Katz is
      Advanced
      . Learn about Gastric Dysmotility.
      See more Gastric Dysmotility experts
    • Hemorrhagic Proctocolitis
      Dr. Katz is
      Advanced
      . Learn about Hemorrhagic Proctocolitis.
      See more Hemorrhagic Proctocolitis experts
    • Ulcerative Colitis
      Dr. Katz is
      Advanced
      . Learn about Ulcerative Colitis.
      See more Ulcerative Colitis experts
    • Experienced
    • Bowel Incontinence
      Dr. Katz is
      Experienced
      . Learn about Bowel Incontinence.
      See more Bowel Incontinence experts
    • Congenital Diaphragmatic Hernia
      Dr. Katz is
      Experienced
      . Learn about Congenital Diaphragmatic Hernia.
      See more Congenital Diaphragmatic Hernia experts
    • Diarrhea
      Dr. Katz is
      Experienced
      . Learn about Diarrhea.
      See more Diarrhea experts
    • Diverticular Disease
      Dr. Katz is
      Experienced
      . Learn about Diverticular Disease.
      See more Diverticular Disease experts
    • Endoscopy
      Dr. Katz is
      Experienced
      . Learn about Endoscopy.
      See more Endoscopy experts
    • Esophagitis
      Dr. Katz is
      Experienced
      . Learn about Esophagitis.
      See more Esophagitis experts
    View All 20 Experienced Conditions
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