Male 85 years


Dr. Seymour Katz, MD



Gastroenterology   -  New York,  Great Neck

 Overview

Dr. Seymour Katz, MD works in Great Neck, New York is a specialist in Gastroenterology, Internal Medicine and graduated Bronx Muni Hospital. Dr. Katz is affiliated with Saint Francis Hospital Roslyn and practicing for 59 years

 Specialties

  • Gastroenterology
  • Internal Medicine

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
• Endophthalmitis
• Ethmoidectomy (Sinus Surgery)
• Herpes Simplex Virus Antenatal Infection
  ...
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Minimally Invasive Resection of Mediastinal Tumor
• Orbital Fracture
• Orbital Lymphoma
• Panic Disorder With Agorapobia
• Polycystic Ovarian Syndrome
• Pterygium
• Radical Retropubic Prostate Removal
• Renal Artery Stenosis (RAS)
• Retinal Testing
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Thromboendarterectomy or Excision of Infected Graft
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopy (Esophagus, Stomach, Small Intestine)

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 59

 State License

  • New Jersey
  • New York

 Spoken Languages

  • Chinese

 Education & Training

Residency Hospital

Bronx Muni Hospital



Fellowship Hospital

Cornell Med Center

New York, NY, USA

Year completed: 1971

Medical School

New York University School Of Medicine

New York, NY, United States

Graduated: 1964

 Awards

1   ACG
2   AMA
3   Association Cp
4   Association Ge Association
5   Association Sg E

 Dr. Katz Reviews

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 Office Locations


Primary location

 Nassau Gastroenterology Assocs
1000 Northern Boulevard Suite 140
New York (NY)
Great Neck
11021
 Phone:(516) 466-2340
Additional data:
Free Standing Surgery Center?    No
Office Volume:    40 patients per day
Performs Procedures On Site?    Yes

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Nassau Gastroenterology Assocs, 1000 Northern Boulevard Suite 140, Great Neck, New York (NY), 11021




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Capital District Physician's Health Plan (CDPHP)
  • Capital District Physician's Health Plan (CDPHP) HMO
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Emblem Health
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Empire Blue Cross Blue Shield HMO
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • Freedom Plan
  • GHI PPO
  • Great West Healthcare-Cigna PPO
  • Health Insurance Plan of Greater New York (HIP) PPO
  • Humana
  • Locals (any local)
  • MagnaCare
  • MagnaCare PPO
  • Medicare
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • National Elevator
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • Oxford Health Plans
  • Oxford Liberty
  • PHCS Network PPO
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Seymour Katz, MD are not present.

 Patients Questions

Patients questions for Dr. Seymour Katz, MD are not present.

 Affiliated Hospitals


Saint Francis Hospital Roslyn photo


Saint Francis Hospital Roslyn

100 Port Washington Boulevard New York NY, Roslyn, 11576

Saint Francis Hospital Roslyn is a non-profit hospital located in Roslyn, NY. Procedures/Diagnosis costs are at the state average in 13 of 13 procedures. Length of Stay is at the state average in 11 of 13 procedures.



  •  Latest reviews for Gastroenterology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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