Locations and Appointments
New PatientsNewYork-Presbyterian Westchester
55 Palmer Avenue
Bronxville, NY 10708
US
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.
Insurances Accepted
Please contact the doctor's office directly to verify that your particular insurance is accepted.
PPO
POS
HMO
EPO
Great West (National)
Medicare Managed Care
PPO
EPO
PPO
Medicare Managed Care
Vytra
HMO
Select Care (Exchange)
Medicaid Managed Care
Essential Plan
ConnectiCare
POS
Local 1199
MagnaCare
Traditional Medicare
Railroad
Multiplan
Special Needs
HMO
Compass (Exchange)
POS
PPO
Empire Plan
Medicare Managed Care
PPO
POS
HMO
EPO
Great West (National)
Medicare Managed Care
PPO
EPO
PPO
Medicare Managed Care
Vytra
HMO
Select Care (Exchange)
Medicaid Managed Care
Essential Plan
ConnectiCare
POS
Local 1199
MagnaCare
Traditional Medicare
Railroad
Multiplan
Special Needs
HMO
Compass (Exchange)
POS
PPO
Empire Plan
Medicare Managed Care
About Joan Ma, MD
Board Certifications
- Emergency Medicine
Specialties & Expertise
- Acute Care
- Critical Care Medicine
- Disaster Medicine
- Head Injury
- Medical Toxicology
- Simulation
- Trauma
- Urgent Care
Leadership, Titles & Positions
- Assistant Professor of Emergency Medicine at CUMC
Hospital Affiliations
- NewYork-Presbyterian Westchester
Need Help Finding a Doctor?
Call 1-877-426-5637