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

Dr. David Michael Horowitz, MD

Individual provider Internal Medicine Physician · NPI 1811901200

Dr. David Michael Horowitz, MD is an Internal Medicine in Smithtown, New York. Graduated from New York University Medical College - Nlg in 1978, 48 years ago. Accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
48
Trained at
New York University Medical College - Nlg
Licensed in
NY
In the registry since
2006
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

2 Brooksite Dr Ste 210
Smithtown, NY 11787-3492
Phone: (631) 724-4048
Fax: (631) 780-6899
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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 142369 (NY)

Record details

NPI number1811901200
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESFebruary 21, 2024
Certification dateFebruary 21, 2024
Mailing address2 Brooksite Drive, Suite 210, Smithtown, NY 11787

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY MEDICAL COLLEGE - NLG
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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