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

Dr. Leonard R Harrison Jr., MD

Individual provider Internal Medicine Physician · NPI 1245361112

Dr. Leonard R Harrison Jr., MD is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
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

133 E 73rd St #101
New York, NY 10021
Phone: (212) 628-7772
Fax: (212) 628-0746
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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 096018 (NY)

Record details

NPI number1245361112
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 9, 2007
Last updated in NPPESJuly 8, 2007

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