Summary

Dr. David Horowitz is an internal medicine physician who earned his medical degree from New York University School of Medicine and completed his residency at Georgetown University Medical Center. With 48 years of experience in practice, he brings extensive knowledge to the care of adult patients with a wide range of medical conditions. Dr. Horowitz is board-certified in internal medicine and provides care in English.

Dr. Horowitz maintains affiliations with Saint Catherine of Siena Medical Center and Stony Brook University Hospital, practicing in both Smithtown and Stony Brook, New York. He focuses on treating patients with back pain concerns, including specialized care for pregnant women and adolescents experiencing spinal discomfort. His approach includes comprehensive treatment options such as physical therapy and strength training programs to help patients regain function and manage their symptoms effectively. Patients have given him an average rating of 4.9 out of 5 stars for his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.9
  • 48 years of experience
  • speaks English
  • Georgetown University Medical Center
  • 4 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. David Michael Horowitz has 3 locations

Horowitz David M Office

2 Brooksite Dr Ste 210Smithtown, NY 11787
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Stony Brook University Hospital

101 Nicolls RdStony Brook, NY 11794

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Dr. David Michael Horowitz, MDDebra Shira Greenfield, MDDr. Michael Benhuri, MDNatalie Howard, MSN, DNP
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
3.6 
48 Years of Experience 44 Years of Experience 40 Years of Experience 6 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English Speaks Spanish, English Speaks English
Smithtown , NYSmithtown , NYMassapequa , NYNew York City , NY
Med School: New York University School Of Medicine Med School: Mount Sinai School Of Medicine Of New York University Med School: Universidad De Buenos Aires
Current Profile
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Insurance Plans Accepted by Dr. David Michael Horowitz

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. David Michael Horowitz has the following specialty

Specialty Expertise

Dr. David Michael Horowitz has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Preventive Medicine
  • Vaccination
  • Weight Loss

Certifications, License, & Education

48 Years Experience

Dr. David Michael Horowitz holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Georgetown University Medical Center.

Medical School

Graduated from New York University School Of Medicine in 1978.

NPI Number

Dr. Horowitz's NPI number is 1811901200.

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Frequently Asked Questions

Where is Dr. David Horowitz's office located?
Dr. David Horowitz's office is located at 2 Brooksite Dr Ste 210, Smithtown, NY, 11787.
How can I make an appointment with Dr. David Horowitz?
You can find contact information for Dr. David Horowitz here on Vitals.
Does Dr. David Horowitz accept virtual/telehealth appointments?
Dr. David Horowitz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. David Horowitz accepting new patients?
Dr. David Horowitz is accepting new patients on Vitals. View Dr. David Horowitz's profile on Vitals to make an appointment.
Which hospitals is Dr. David Horowitz affiliated with?
Dr. David Horowitz is affiliated with Saint Catherine Of Siena Medical Center and STONY BROOK UNIVERSITY HOSPITAL.

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