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

Mark L Horowitz, MD

Individual provider Pediatrics Physician · NPI 1477649853

Mark L Horowitz, MD is a Pediatrics Physician in Warwick, New York. Licensed in New Jersey and New York. Registered with an NPI since 2006.

Licensed in
NJ, 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

10 Ronald Reagan Blvd
Warwick, NY 10990-4104
Phone: (845) 986-2058
Fax: (845) 986-7669
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 135749-1 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 25MA06649400 (NJ)

Record details

NPI number1477649853
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESJune 17, 2009
Mailing address10 Ronald Reagan Blvd, Warwick, NY 10990-4104

Other providers in Warwick