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
Please contact the doctor's office directly to verify that your particular insurance is accepted.
NY Signature
NYP Employee Plan
Student Health
Aetna Signature Administrators
Medicaid Managed Care
Medicare Managed Care
Special Needs
New Jersey Services (Medicaid Managed Care)
Great West (National)
POS
EPO
PPO
Medicare Managed Care
HMO
Medicare Managed Care
PPO
HMO
Essential Plan
Medicare Managed Care
PPO
ConnectiCare
Select Care (Exchange)
Vytra
EPO
POS
Child/Family Health Plus
Essential Plan
Medicaid Managed Care
Medicare Managed Care
Medicare Managed Care
Medicaid Managed Care
Essential Plan
Leaf (Exchange)
Child/Family Health Plus
Medicare Managed Care
Local 1199
MagnaCare
Traditional Medicare
Railroad
Multiplan
Medicaid Managed Care
Child/Family Health Plus
HMO
Essential Plan
Quality Health Management
Special Needs
Compass (Exchange)
Empire Plan
POS
Medicaid (Community Plan)
PPO
HMO
Oxford Freedom
Oxford HMO
Oxford Liberty
SelectHealth
Medicare Managed Care
World Trade Center Health Plan
NY Signature
NYP Employee Plan
Student Health
Aetna Signature Administrators
Medicaid Managed Care
Medicare Managed Care
Special Needs
New Jersey Services (Medicaid Managed Care)
Great West (National)
POS
EPO
PPO
Medicare Managed Care
HMO
Medicare Managed Care
PPO
HMO
Essential Plan
Medicare Managed Care
PPO
ConnectiCare
Select Care (Exchange)
Vytra
EPO
POS
Child/Family Health Plus
Essential Plan
Medicaid Managed Care
Medicare Managed Care
Medicare Managed Care
Medicaid Managed Care
Essential Plan
Leaf (Exchange)
Child/Family Health Plus
Medicare Managed Care
Local 1199
MagnaCare
Traditional Medicare
Railroad
Multiplan
Medicaid Managed Care
Child/Family Health Plus
HMO
Essential Plan
Quality Health Management
Special Needs
Compass (Exchange)
Empire Plan
POS
Medicaid (Community Plan)
PPO
HMO
Oxford Freedom
Oxford HMO
Oxford Liberty
SelectHealth
Medicare 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
- 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