Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Seymour Katz, MD

Individual provider Specialist · NPI 1255337424

Dr. Seymour Katz, MD is a Gastroenterology in Great Neck, New York. Graduated from New York University School of Medicine in 1964, 62 years ago. Practices with New York University, a 5,884-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
62
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Northern Blvd Ste 140
Great Neck, NY 11021-5312
Phone: (516) 466-2340
Fax: (516) 829-6421
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 094408 (NY)
Specialist Taxonomy 174400000X · Licence 094408 (NY)

Record details

NPI number1255337424
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2005
Last updated in NPPESJune 20, 2024
Certification dateJune 20, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1964 (62 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Great Neck