3.9
29 Ratings with 13 written Reviews
Summary
Dr. Mark Horowitz specializes in rheumatology and internal medicine, bringing over four decades of medical expertise to his practice. He earned his medical degree from Northeast Ohio Medical University and completed his residency at Albert Einstein College of Medicine. Dr. Horowitz speaks both Spanish and English, allowing him to serve a diverse patient population.
Dr. Horowitz practices at The Mount Sinai Hospital in New York, New York. He treats patients with complex autoimmune conditions such as lupus and muscle inflammation disorders. His internal medicine background also enables him to address cardiovascular concerns like atherosclerosis. Patients have given Dr. Horowitz an average rating of 3.9.
Dr. Horowitz practices at The Mount Sinai Hospital in New York, New York. He treats patients with complex autoimmune conditions such as lupus and muscle inflammation disorders. His internal medicine background also enables him to address cardiovascular concerns like atherosclerosis. Patients have given Dr. Horowitz an average rating of 3.9.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 43 years of experience
- speaks Spanish, English
- Albert Einstein College Of Medicine
- 13 written reviews
- 2 specialties
- 13 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Horowitz Mark D Office
21 E 90th St Fl 1New York, NY 10128 Tel: (212) 860-3077
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 12:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Mark David Horowitz, MD | Dr. Jane S. Kang, MD | Dr. Adam Mor, MD, PhD | Dr. Laura Berenice Geraldino Pardilla, MD |
| Rheumatology | Rheumatology | Rheumatology | Rheumatology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 43 Years of Experience | 22 Years of Experience | 27 Years of Experience | 22 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English, Spanish | Speaks Spanish, French, Italian | |
| New York , NY | New York , NY | New York , NY | New York , NY |
| Med School: Northeast Ohio Medical University | Med School: Albert Einstein College Of Medicine Of Yeshiva University | Med School: SACKLER SCHOOL OF MEDICINE | Med School: Instituto Tecnologico De Santo Domingo (Intec) Fac De Ciencias De La Salud |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark David Horowitz
Medical Specialties
Dr. Mark David Horowitz has the following 2 specialties
Specialty Expertise
Dr. Mark David Horowitz has the following 13 areas of expertise
Certifications, License, & Education
43 Years Experience
Dr. Mark David 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 Albert Einstein College Of Medicine.
Medical School
Graduated from Northeast Ohio Medical University in 1983.
NPI Number
Dr. Horowitz's NPI number is 1154490530.
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Frequently Asked Questions
- What languages does Dr. Mark David Horowitz speak?
- Dr. Mark David Horowitz speaks Spanish and English.
- Where is Dr. Mark David Horowitz's office located?
- Dr. Mark David Horowitz's office is located at 21 E 90th St Fl 1, New York, NY, 10128.
- Which hospitals is Dr. Mark David Horowitz affiliated with?
- Dr. Mark David Horowitz is affiliated with The Mount Sinai Hospital.
- Does Dr. Mark David Horowitz accept virtual/telehealth appointments?
- Dr. Mark David Horowitz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mark David Horowitz accept my insurance?
- You can see the insurance plans that Dr. Mark David Horowitz accepts on their Vitals profile.
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