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

Individual provider Gastroenterology Physician · NPI 1780661769

Dr. Mark Cwern, MD is a Gastroenterology Physician in Nyc, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
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

305 E 55th St
Nyc, NY 10022
Phone: (212) 751-9714
Fax: (212) 832-1821
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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 125031 (NY)

Record details

NPI number1780661769
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESJuly 13, 2026
Mailing address305 E 55th St, Nyc, NY 10022

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