Locations and Appointments
New Patients
CUIMC/Herbert Irving Pavilion
161 Fort Washington Avenue
New York, NY 10032
US
(212) 305-5098
Existing Patients
Login or sign-upto Connect Patient Portal
Existing Patients
Login to Connect Patient Portal make an appointment, view documentation or contact your doctor’s office.
Columbia Connect App
The Columbia Connect app allows you to access convenient services to help manage your health. Access the patient portal, communicate with your doctor, manage appointments, view test results, request prescription refills, pay a bill, and find a doctor.
Second Opinion
Our specialists are ready to provide you with a second opinion. Learn more about second opinions or click to start your online second opinion.
Get a Second Opinion
Insurances Accepted
Before your appointment, please contact the doctor's office or your insurance provider to verify that your insurance is accepted. This list of insurances can change, and the insurance plans listed may not be accepted at all office locations for this provider.
Aetna Signature Administrators
Student Health
NY Signature
NYP Employee Plan
Medicaid Managed Care
New Jersey Services (Medicaid Managed Care)
Great West (National)
POS
HMO
PPO
EPO
Medicare Managed Care
PPO
Medicare Managed Care
Medicare Managed Care
ConnectiCare
HMO
Essential Plan
Select Care (Exchange)
EPO
PPO
POS
Vytra
Child/Family Health Plus
Essential Plan
Medicaid Managed Care
EPO
Medicaid Managed Care
Medicare Managed Care
Child/Family Health Plus
Medicare Managed Care
Leaf (Exchange)
Child/Family Health Plus
Local 1199
MagnaCare
Railroad
Traditional Medicare
Multiplan
Child/Family Health Plus
HMO
Medicaid Managed Care
Essential Plan
Quality Health Management
Special Needs
HMO
POS
Empire Plan
Medicaid (Community Plan)
PPO
Compass (Exchange)
Oxford HMO
Oxford Liberty
Oxford Freedom
Medicare Managed Care
Special Needs
Medicare Managed Care
New Jersey Services (Medicaid Managed Care)
World Trade Center Health Plan
Aetna Signature Administrators
Student Health
NY Signature
NYP Employee Plan
Medicaid Managed Care
New Jersey Services (Medicaid Managed Care)
Great West (National)
POS
HMO
PPO
EPO
Medicare Managed Care
PPO
Medicare Managed Care
Medicare Managed Care
ConnectiCare
HMO
Essential Plan
Select Care (Exchange)
EPO
PPO
POS
Vytra
Child/Family Health Plus
Essential Plan
Medicaid Managed Care
EPO
Medicaid Managed Care
Medicare Managed Care
Child/Family Health Plus
Medicare Managed Care
Leaf (Exchange)
Child/Family Health Plus
Local 1199
MagnaCare
Railroad
Traditional Medicare
Multiplan
Child/Family Health Plus
HMO
Medicaid Managed Care
Essential Plan
Quality Health Management
Special Needs
HMO
POS
Empire Plan
Medicaid (Community Plan)
PPO
Compass (Exchange)
Oxford HMO
Oxford Liberty
Oxford Freedom
Medicare Managed Care
Special Needs
Medicare Managed Care
New Jersey Services (Medicaid Managed Care)
World Trade Center Health Plan
About Ahmed Sawas, MD
Board Certifications
- Hematology
- Internal Medicine
- Medical Oncology
Languages Spoken
- Arabic
Specialties & Expertise
- Acute Lymphocytic Leukemia
- Anemia
- Bleeding Disorder
- Coagulation Disorder
- Hematologic Abnormality
- Hematologic Malignancy
- Hodgkin's Disease
- Leukemia
- Lymphoma
- Multiple Myeloma
- Non-Hodgkin's Lymphoma
- T-Cell Lymphoma
Education
- Medical School: State University of New York Health Science Center at Brooklyn
- Fellowship: St. Vincent's Hospital & Medical Center
- Fellowship: New York University Langone Medical Center
- Residency: St. Vincent's Hospital & Medical Center
Leadership, Titles & Positions
- Instructor in Medicine at CUMC
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center
Need Help Finding a Doctor?
Call 1-877-426-5637