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

Dr. Mark Ira Siegel, MD

Individual provider Gastroenterology Physician · NPI 1013981380

Dr. Mark Ira Siegel, MD is a Gastroenterology Physician in New York, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

60 Gramercy Park N Ground Fl
New York, NY 10010-5423
Phone: (212) 254-6387
Fax: (212) 674-1933
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 131654 (NY)

Record details

NPI number1013981380
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 14, 2006
Last updated in NPPESJuly 13, 2026

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