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

Dr. Leonard Joseph Horwitz, MD

Individual provider Specialist · NPI 1922002575

Dr. Leonard Joseph Horwitz, MD is a Specialist in Cleveland, Ohio. Licensed in Ohio. Registered with an NPI since 2005.

Licensed in
OH
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9500 Euclid Ave R35
Cleveland, OH 44195-0001
Phone: (216) 445-2030
Fax: (216) 445-0470
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X (OH)

Record details

NPI number1922002575
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2005
Last updated in NPPESJuly 28, 2011

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