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.
Student Health
EPO
Aetna Signature Administrators
NY Signature
HMO
Medicare Managed Care
PPO
POS
Essential Plan
Medicaid Managed Care
Special Needs
POS
EPO
Great West (National)
Medicare Managed Care
PPO
HMO
PPO
Medicare Managed Care
Select Care (Exchange)
Vytra
EPO
Medicare Managed Care
HMO
PPO
POS
ConnectiCare
Essential Plan
Medicaid Managed Care
Medicaid Managed Care
Child/Family Health Plus
Essential Plan
PPO
Medicare Managed Care
HMO
EPO
Essential Plan
Medicaid Managed Care
Medicare Managed Care
Child/Family Health Plus
Leaf (Exchange)
Medicaid Managed Care
Child/Family Health Plus
Medicare Managed Care
Local 1199
NYP Employee Plan
MagnaCare
Traditional Medicare
Railroad
Multiplan
HMO
Essential Plan
Child/Family Health Plus
Medicaid Managed Care
Special Needs
PPO
HMO
POS
Empire Plan
Compass (Exchange)
Oxford Liberty
Oxford Freedom
Oxford HMO
Medicare Managed Care
Medicaid (Community Plan)
SelectHealth
Medicare Managed Care
Special Needs
Medicare Managed Care
Medicaid Managed Care
World Trade Center Health Plan
Student Health
EPO
Aetna Signature Administrators
NY Signature
HMO
Medicare Managed Care
PPO
POS
Essential Plan
Medicaid Managed Care
Special Needs
POS
EPO
Great West (National)
Medicare Managed Care
PPO
HMO
PPO
Medicare Managed Care
Select Care (Exchange)
Vytra
EPO
Medicare Managed Care
HMO
PPO
POS
ConnectiCare
Essential Plan
Medicaid Managed Care
Medicaid Managed Care
Child/Family Health Plus
Essential Plan
PPO
Medicare Managed Care
HMO
EPO
Essential Plan
Medicaid Managed Care
Medicare Managed Care
Child/Family Health Plus
Leaf (Exchange)
Medicaid Managed Care
Child/Family Health Plus
Medicare Managed Care
Local 1199
NYP Employee Plan
MagnaCare
Traditional Medicare
Railroad
Multiplan
HMO
Essential Plan
Child/Family Health Plus
Medicaid Managed Care
Special Needs
PPO
HMO
POS
Empire Plan
Compass (Exchange)
Oxford Liberty
Oxford Freedom
Oxford HMO
Medicare Managed Care
Medicaid (Community Plan)
SelectHealth
Medicare Managed Care
Special Needs
Medicare Managed Care
Medicaid Managed Care
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
- Gastroparesis
- 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