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

Dr. Harley Douglas Kaufman, MD

Individual provider Internal Medicine Physician · NPI 1871550467

Dr. Harley Douglas Kaufman, 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
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

423 E 23rd St
New York, NY 10010-5011
Phone: (212) 686-7500
Fax: (212) 643-6348
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nuclear Medicine Physician (primary) Taxonomy 207U00000X · Licence 135584 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 135584 (NY)

Record details

NPI number1871550467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2006
Last updated in NPPESJuly 13, 2026

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