Dr. Mark M Callahan, MD is a Internist - General practicing in New York, NY
He has not yet shared a personalized biography with Doctor.com.
| University | Degree | Focus | Graduated |
|---|---|---|---|
| Physician Assistant Studies, Barry University, FL | Medical Degree | 1986 |
Dr. Mark M Callahan, MD has not yet indicated the hospitals that he is affiliated with.
Accepts New Patients: Yes
Dr. Mark M Callahan, MD has not yet listed the medications that he commonly prescribes.
Dr. Mark M Callahan, MD has not yet added any information about his practice's billing policies and payment options.
