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Keystone, Jay Stephen

CPSO#: 22911

Active Member as of 30 Jun 1970
Independent Practice as of 30 Jun 1970


Former Name: No Former Name

Gender: Male

Languages Spoken: English

Education:University of Toronto, 1969

Practice Information

Primary Location of Practice
Toronto General Hospital
200 Elizabeth Street
Toronto ON  M5G 2C4
Phone: (416) 340-3675
Fax: (416) 340-3260 Electoral District: 10

Additional Practice Location(s)

Medisys Travel Health
suite 1500
333Bay St
Toronto ON  M5H 2R2
Phone: (416) 926-2698
Fax: (416) 362-2018
County: City of Toronto
Electoral District: 10

284 Earl St unit 8400
Kingston ON  K7L2H8
Phone: 613-507-7775
Fax: 613-507-7773
County: County of Frontenac
Electoral District: 06

Professional Corporation Information

Corporation Name: Dr. Jay Keystone Medicine Professional Corporation
Certificate of Authorization Status: Issued Date:  Jan 03 2007

Dr. J. Keystone ( CPSO# 22911 )

Business Address:
Toronto General Hospital
200 Elizabeth Street
Toronto ON  M5G 2C4
Phone Number: (416) 340-3671

Business Address:
Suite 1500
333 Bay Street
Toronto ON  M5H 2R2
Phone Number: (416) 926-2698

Business Address:
Suite B400
284 Earl Street
Kingston ON  K7L 2H8

Hospital Privileges

Hospital Location
University Health Network,Toronto General Hospital Site Toronto


Specialty Issued On Type
Internal Medicine Effective: 01 Jan 1975 RCPSC Specialist
Infectious Diseases Effective: 09 Apr 2015 CPSO Recognized Specialist

Terms and Conditions

(1) Dr. JAY STEPHEN KEYSTONE may practise only in the areas of medicine in which Dr. KEYSTONE is educated and experienced.

Registration History

Action Issue Date
First certificate of registration issued: Postgraduate Education Certificate Effective: 18 Jun 1969
Transfer of class of registration to: Independent Practice Certificate Effective: 30 Jun 1970