Locations and Appointments
New Patients
ColumbiaDoctors - 903 Park Avenue
903 Park Avenue
New York, NY 10075
US
(212) 249-8535
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.
About Leonard Stern, MD
Board Certifications
- Internal Medicine
- Nephrology
Languages Spoken
- Spanish
Specialties & Expertise
- Bone and Mineral Metabolism
- Dialysis
- Hemodialysis
- Kidney Disease
- Peritoneal Dialysis
Education
- Internship: Bronx Municipal Hospital Center
- Residency: Bronx Municipal Hospital Center
- Fellowship: Montefiore Hospital
- Fellowship: Yale-New Haven Hospital
Leadership, Titles & Positions
- Associate Professor of Medicine at CUMC
- Medical Director, Peritoneal Dialysis
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center
Need Help Finding a Doctor?
Call 1-877-426-5637