Brendan Sullivan, MD
Cardiology physicianConcierge
SullivanMD · Clifton, NJ
- Blood drawing
- Stress testing
- Disease prevention
Updated November 2026How we check doctors
Same order as the list above. A comparison, not a ranking.
| Doctor | Type | Education and training | Reviews |
|---|---|---|---|
| Brendan Sullivan, MD | Concierge · Cardiology physician | ||
| Arpit Patel, MD | Concierge · Cardiology physician | ||
| John Cosmi, MD | Concierge · Cardiology physician | Internal medicine, New York University Medical Center and Bellevue Hospital | 5.0 (10) |
| Mark Blum, MD | Concierge · Cardiology physician | Mt. Sinai Hospital | 5.0 (10) |
| Leonid Mandel, MD | Concierge · Cardiology physician | Internal medicine, University of Connecticut School of Medicine and Dentistry | 5.0 (10) |
| David Freilich, MD | Concierge · Cardiology physician | Internal medicine, Mount Sinai Medical Center | 5.0 (10) |
FindMyDirectDoctor lists 6 cardiology doctors for echocardiogram in New Jersey. We last checked this list in November 2026.
We confirmed board certification for 6 doctors on this list. Each profile shows the board and the specialty.
4 of the 6 doctors have patient reviews on FindMyDirectDoctor, 40 reviews in total. Each tile shows the doctor's rating and review count.
It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.