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

Dr. Jonathan M Horowitz, MD

Individual provider Psychiatry Physician · NPI 1174500185

Dr. Jonathan M Horowitz, MD is a Psychiatry Physician in Westport, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2005
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

840 Post Rd E
Westport, CT 06880-5236
Phone: (203) 993-0024
Fax: (815) 717-7746
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 048165 (CT)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence 048165 (CT)

Record details

NPI number1174500185
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 30, 2005
Last updated in NPPESMarch 3, 2014
Mailing address331 Lansdowne, Westport, CT 06880-5651

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