3.9
29 Ratings with 13 written Reviews
Summary
Dr. Mark Horowitz is a rheumatologist and internal medicine physician who earned his medical degree from Northeast Ohio Medical University. He completed his residency at Albert Einstein College of Medicine and has practiced for over four decades, bringing extensive experience to his care of patients with complex autoimmune and inflammatory conditions. Dr. Horowitz is fluent in both English and Spanish.
Dr. Horowitz practices in New York, NY and is affiliated with The Mount Sinai Hospital. He specializes in treating serious autoimmune conditions like lupus and muscle inflammation disorders including polymyositis and dermatomyositis. His practice also focuses on preventive care through adult immunizations and flu vaccines. Patients have given him an average rating of 3.9 out of 5 stars on Vitals.
Dr. Horowitz practices in New York, NY and is affiliated with The Mount Sinai Hospital. He specializes in treating serious autoimmune conditions like lupus and muscle inflammation disorders including polymyositis and dermatomyositis. His practice also focuses on preventive care through adult immunizations and flu vaccines. Patients have given him an average rating of 3.9 out of 5 stars on Vitals.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 43 years of experience
- speaks English, Spanish
- Albert Einstein College Of Medicine
- 13 written reviews
- 2 specialties
- 13 areas of expertise
- 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. Lisa Sammaritano, MD | Dr. Karen Onel, MD | Dr. Anne Bass, MD |
| Rheumatology | Rheumatology | Rheumatology | Rheumatology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 43 Years of Experience | 41 Years of Experience | 37 Years of Experience | 41 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks Chinese, English | Speaks English | Speaks Chinese, English |
| New York , NY | New York , NY | New York , NY | New York , NY |
| Med School: Northeast Ohio Medical University | Med School: Weill Cornell Medical College | Med School: Weill Cornell Medical College | Med School: Columbia University College Of Physicians & Surgeons |
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
- How can I make an appointment with Dr. Mark Horowitz?
- You can find contact information for Dr. Mark Horowitz here on Vitals.
- Where is Dr. Mark Horowitz's office located?
- Dr. Mark Horowitz's office is located at 21 E 90th St Fl 1, New York, NY, 10128.
- Which hospitals is Dr. Mark Horowitz affiliated with?
- Dr. Mark Horowitz is affiliated with The Mount Sinai Hospital.
- Is Dr. Mark Horowitz accepting new patients?
- Dr. Mark Horowitz is accepting new patients on Vitals. View Dr. Mark Horowitz's profile on Vitals to make an appointment.
- Does Dr. Mark Horowitz accept virtual/telehealth appointments?
- Dr. Mark Horowitz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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