5
4 Ratings with 4 written Reviews

Overview based on verified provider data
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| Patrick F. Callahan, MD | Tarana Nekzad, DO | Deidra L. Varner, MD | Ahmed N Khan, MD |
| Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 11 Years of Experience | 44 Years of Experience | 13 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Farsi | Speaks English | Speaks English |
| Fairfax , VA | Brandywine , MD | OXON HILL , MD | Washington , DC |
| Med School: State University of New York Upstate Medical University | Med School: Michigan State University College of Osteopathic Medicine | Med School: Howard University | Med School: University Of Medicine & Dentistry Of New Jersey |
Current Profile | View Profile | View Profile | View Profile |
Patrick F. Callahan holds active and expired medical licenses in the states of Maryland and Virginia.
Medical Doctor with an active medical license in the state of Maryland that expires in 2026 and an expired medical license in the state of Virginia that expired in 2026.
Completed their residency at Children's National Medical Center Program.
Graduated from State University of New York Upstate Medical University.
Patrick F. Callahan's NPI number is 1487616082.










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