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

Individual provider Internal Medicine Physician · NPI 1003918905

Richard K Mark, MD is an Internal Medicine 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.

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Practice location Address checks out

235 E 38th St
New York, NY 10016-2709
Phone: (212) 867-1824
Fax: (212) 599-4554
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 137591 (NY)

Record details

NPI number1003918905
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 1, 2006
Last updated in NPPESApril 26, 2021
Certification dateApril 26, 2021

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