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

Mark Horowitz MD Pediatric Urology PLLC

Organization Urology Physician · NPI 1679697312

Mark Horowitz MD Pediatric Urology PLLC is an Urology Physician in Staten Island, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

256 Mason Ave
Staten Island, NY 10305
Phone: (718) 226-1271
Fax: (718) 226-1247
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 60172766 (NY)
Pediatric Urology Physician Taxonomy 2088P0231X · Licence 60172766 (NY)

Record details

NPI number1679697312
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Horowitz — Owner · (718) 226-1271
NPI enumeratedMarch 19, 2007
Last updated in NPPESSeptember 11, 2025
Mailing addressPo Box 1061, Great Neck, NY 11023

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