Locations and Appointments
New Patients
CUIMC/Herbert Irving Pavilion
161 Fort Washington Avenue
New York, NY 10032
US
(212) 305-1021
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
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.
NY Signature
Student Health
Aetna Signature Administrators
Great West (National)
POS
EPO
Medicare Managed Care
Medicare Managed Care
PPO
Select Care (Exchange)
Vytra
POS
HMO
PPO
Medicare Managed Care
Local 1199
NYP Employee Plan
Traditional Medicare
Railroad
Multiplan
Essential Plan
Compass (Exchange)
Empire Plan
POS
PPO
HMO
Oxford Freedom
Oxford HMO
Oxford Liberty
Special Needs
SelectHealth
World Trade Center Health Plan
NY Signature
Student Health
Aetna Signature Administrators
Great West (National)
POS
EPO
Medicare Managed Care
Medicare Managed Care
PPO
Select Care (Exchange)
Vytra
POS
HMO
PPO
Medicare Managed Care
Local 1199
NYP Employee Plan
Traditional Medicare
Railroad
Multiplan
Essential Plan
Compass (Exchange)
Empire Plan
POS
PPO
HMO
Oxford Freedom
Oxford HMO
Oxford Liberty
Special Needs
SelectHealth
World Trade Center Health Plan
About John William Blackett, MD, MS
Board Certifications
- Gastroenterology
Specialties & Expertise
- Achalasia of Esophagus
- Anorectal Manometry
- Capsule Endoscopy
- Colon Cancer
- Colon Cancer Screening
- Colonoscopy
- Cyclic Vomiting Syndrome (CVS)
- Eosinophilic Esophagitis
- Esophageal Cancer
- Esophageal Disease
- Esophageal Manometry
- Esophageal Motility Disorder
- Esophageal Stricture
- Feeding Tubes
- Gastric Outlet Obstruction
- Gastrointestinal Cancer
- Gastrointestinal Motility
- General Gastroenterology
- Non-Celiac Gluten Sensitivity
- PEG Feeding Tube
- PEG-J Feeding Tube
- Schatzki Ring
- Stomach Cancer
- Surveillance for Colorectal Cancer
- Virtual Colonoscopy
Education
- Medical School: Washington University School of Medicine
- Residency: NewYork-Presbyterian/Columbia University Irving Medical Center
- Fellowship: NewYork-Presbyterian/Columbia University Irving Medical Center
Leadership, Titles & Positions
- Assistant Professor of Medicine
Hospital Affiliations
- NewYork-Presbyterian / Columbia University Irving Medical Center
Need Help Finding a Doctor?
Call 1-877-426-5637