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

Dr. Mark Khaykin, MD

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1134216617

Dr. Mark Khaykin, MD is an Addiction Medicine (Internal Medicine) Physician in Brooklyn, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
Specialties on file
4
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

451 Clarkson Ave
Brooklyn, NY 11203-2054
Phone: (718) 245-3192
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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 232910 (NY)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 232910 (NY)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 232910 (NY)
Hospice and Palliative Medicine (Internal Medicine) Physician Taxonomy 207RH0002X · Licence 232910 (NY)

Record details

NPI number1134216617
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESJune 13, 2019
Mailing address2631 Haring St, Brooklyn, NY 11235-1605

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