THE FOLLOWING INFORMATION WAS OBTAINED FROM THE PHYSICIAN REGISTER SECTION OF THE WEBSITE OF THE COLLEGE OF PHYSICIANS AND SURGEONS OF ONTARIO (WWW.CPSO.ON.CA) AS OF THE DATE AND TIME NOTED BELOW
18/09/25 11:52:21 AM

General Information

Former Name: No Former Name
Medical School: University of Toronto, 1980
Gender: Man
Languages Spoken: ENGLISH

Practice Information

Primary Business Location: 545 Wilson Avenue
Toronto Ontario M3H 0C4
Business Email: No Information Available
Phone: 416-633-2345
Fax: 416-633-2216

Specialties

SPECIALTY ISSUED ON CERTIFYING BODY
Family Medicine
Effective: 01 Jul 1982
College of Family Physicians of Canada
SPECIALTY: Family Medicine
ISSUED ON: Effective: Jul 01 1982
CERTIFYING BODY: College of Family Physicians of Canada

Hospital Privileges

No information available

Professional Corporation Information

Corporation Name: Dr. Leonard Direnfeld Medicine Professional Corporation
Certificate of Authorization Status: Issued Date: 17 Mar 2006
Shareholders:
Dr. L. Direnfeld (CPSO#: 32505 )

General Information

Former Name: No Former Name
Gender: Man
Languages Spoken: ENGLISH
Medical School: University of Toronto, 1980

Practice Information

Primary Business Location: 545 Wilson Avenue
Toronto Ontario M3H 0C4
Business Email: No Information Available
Phone: 416-633-2345
Fax: 416-633-2216

Specialties

SPECIALTY ISSUED ON CERTIFYING BODY
Family Medicine
Effective: 01 Jul 1982
College of Family Physicians of Canada
SPECIALTY: Family Medicine
ISSUED ON: Effective: Jul 01 1982
CERTIFYING BODY: College of Family Physicians of Canada

Hospital Privileges

No information available

Professional Corporation Information

Corporation Name: Dr. Leonard Direnfeld Medicine Professional Corporation
Certificate of Authorization Status: Issued Date: 17 Mar 2006
Shareholders:
Dr. L. Direnfeld (CPSO#: 32505 )

Practice Conditions

IMPOSED BY EFFECTIVE DATE EXPIRY DATE STATUS
Member
09 Sep 2025
Restricted
IMPOSED BY: Member
EFFECTIVE DATE: Sep 09 2025
EXPIRY DATE:
STATUS: Restricted
A physician who has a restricted licence must follow specific terms and conditions in their practice.
A physician who has a restricted licence must follow specific terms and conditions in their practice.
VIEW DETAILS chevron-down icon
As from September 9, 2025, the following is imposed as a term, condition and limitation on the certificate of registration held by Dr. Leonard Joel Direnfeld in accordance with an undertaking and consent given by Dr. Direnfeld to the College of Physicians and Surgeons of Ontario:

UNDERTAKING, ACKNOWLEDGEMENT AND CONSENT
(“Undertaking”)

of

DR. LEONARD JOEL DIRENFELD
(“Dr. Direnfeld”)

to

COLLEGE OF PHYSICIANS AND SURGEONS OF ONTARIO
(the “College”)

A. PREAMBLE
1. In this Undertaking:
“Code” means the Health Professions Procedural Code, which is Schedule 2 to the Regulated Health Professions Act, 1991, S.O. 1991, c. 18, as amended;
“Discipline Tribunal” means the Ontario Physicians and Surgeons Discipline Tribunal of the College;
“ICRC” means the Inquiries, Complaints and Reports Committee of the College;
“OHIP” means the Ontario Health Insurance Plan;
“Ontario Physicians and Surgeons Discipline Tribunal” means the Discipline Committee established under the Code;
“Public Register” means the College’s register that is available to the public.
2. I, Dr. Direnfeld, certificate of registration number 32505, am a member of the College.
3. I, Dr. Direnfeld, acknowledge that the College has received information that I was charged under the Criminal Code of Canada as follows (collectively the “Charges” under the Criminal Code):
1. Forgery, contrary to section 366(1)(a) of the Criminal Code of Canada. 
2. Use of Forged Document, contrary to section 368(1)(a) of the Criminal Code of Canada. 
3. Identity Theft, contrary to section 402.2(1) of the Criminal Code of Canada. 
4. Drawing Document Without Authority, contrary to section 374(a) of the Criminal Code of Canada. 
5. Assault Causing Bodily Harm, contrary to section 267(b) of the Criminal Code of Canada. 
6. Causing Bodily Harm by Criminal Negligence, contrary to section 221 of the Criminal Code of Canada. 
7. Identity Fraud, contrary to section 403(1)(a) of the Criminal Code of Canada. 
4. I, Dr. Direnfeld, acknowledge that the College is monitoring these Charges.
5. I, Dr. Direnfeld, acknowledge that this Undertaking does not preclude the ICRC from making an order under section 25.4 of the Code at a later date, in accordance with the Code.

B. UNDERTAKING AND ACKNOWLEDGMENT
6. I, Dr. Direnfeld, undertake to abide by the provisions of this Undertaking, effective immediately on the date this Undertaking is signed (“Effective Date”).
7. Practice Restrictions
a. I, Dr. Direnfeld, undertake that I will not delegate the performance of any controlled acts to any person other than a regulated health professional acceptable to the College, who must be employed at my practice location(s).
b. I, Dr. Direnfeld, acknowledge that this Undertaking remains in effect unless and until the College agrees to release me from it or vary its terms or until all criminal proceedings, investigations or discipline proceedings have been completed, whichever is earlier.
8. Monitoring
a. I, Dr. Direnfeld, undertake to inform the College of each and every location at which I practice, delegate, or have privileges, including, but not limited to, any hospitals, clinics, offices, and any Out-of-Hospital Premises and Independent Health Facilities with which I am affiliated, in any jurisdiction (collectively, my “Practice Location” or “Practice Locations”), within five (5) days of executing this Undertaking. Going forward, I further undertake to inform the College of any and all new Practice Locations within five (5) days of commencing practice at that location.
b. I, Dr. Direnfeld, undertake to provide the College with copies of any written contracts relating to my employment at or independent contracting and/or consulting services provided to any clinic. If I am employed by or providing services at a clinic and no written contract exists, I undertake to provide the College with a written summary of any verbal contract.
c. I, Dr. Direnfeld, undertake to provide the College with the following information relevant to the College’s approval of my intended delegee(s):
1. Name of intended delegee;
2. Regulated health profession of which they are a member and registration number;
3. Letter from my Chief of Staff or a person with similar responsibilities at my practice location, confirming the intended delegee’s employment status and role at the practice location.
d. I, Dr. Direnfeld, undertake to inform the College if any delegee approved by the College ceases to be employed at my practice location, within five (5) days of the cessation of employment.
e. I, Dr. Direnfeld, undertake that I will submit to, and not interfere with, unannounced inspections of my Practice Locations and patient charts by a College representative for the purposes of monitoring my compliance with the provisions of this Undertaking.
f. I, Dr. Direnfeld, give my irrevocable consent to the College to make appropriate enquiries of OHIP, and/or any person who or institution that may have relevant information, in order for the College to monitor my compliance with the provisions of this Undertaking.
g. I, Dr. Direnfeld, acknowledge that I have executed the OHIP consent form, attached hereto as Appendix “A”.

C. ACKNOWLEDGEMENT
9. I, Dr. Direnfeld, acknowledge that all appendices attached to or referred to in this Undertaking form part of this Undertaking.
10. I, Dr. Direnfeld, acknowledge and undertake that I shall be solely responsible for payment of all fees, costs, charges, expenses, etc. arising from the implementation of any of the provisions of this Undertaking.
11. I, Dr. Direnfeld, acknowledge that I have read and understand the provisions of this Undertaking, and that I have obtained independent legal counsel in reviewing and executing this Undertaking, or have waived my right to do so.
12. I, Dr. Direnfeld, acknowledge that the College will provide this Undertaking to any Chief of Staff, or a colleague with similar responsibilities, at any Practice Location (“Chief of Staff” or “Chiefs of Staff”).
13. I, Dr. Direnfeld, acknowledge that, in the event of a referral to the Discipline Tribunal and in the event of an appeal of any Order of the Discipline Tribunal, if the Discipline Tribunal has directed the Registrar to revoke, suspend, or impose terms and conditions on my certificate of registration, that Order will take effect immediately despite any appeal.
14. I, Dr. Direnfeld, acknowledge that a breach by me of any provision of this Undertaking may constitute an act of professional misconduct and may result in a referral of specified allegations to the Discipline Tribunal.
15. I, Dr. Direnfeld, acknowledge that this Undertaking constitutes terms, conditions, and limitations on my certificate of registration for the purposes of section 23 of the Code.
16. Public Register
a. I, Dr. Direnfeld, acknowledge that, during the time period that this Undertaking remains in effect, this Undertaking shall be posted on the Public Register.
b. I, Dr. Direnfeld, acknowledge that, in addition to this Undertaking being posted in accordance with section (16)(a) above, the following summary shall be posted on the Public Register during the time period that this Undertaking remains in effect:
Dr. Direnfeld must not delegate the performance of any controlled act to any person.

D. CONSENT
17. I, Dr. Direnfeld, give my irrevocable consent to the College to make appropriate enquiries of OHIP and/or any person who or institution that may have relevant information, in order for the College to monitor my compliance with the provisions of this Undertaking.
18. I, Dr. Direnfeld, give my irrevocable consent to the College to provide all Chiefs of Staff with any information the College has that led to the circumstances of my entering into this Undertaking and/or any information arising from the monitoring of my compliance with this Undertaking.
19. I, Dr. Direnfeld, give my irrevocable consent to all Chiefs of Staff to disclose to the College, and to one another, any information relevant to this Undertaking and/or relevant for the purposes of monitoring my compliance with this undertaking.

VIEW DETAILS chevron-down icon
As from September 9, 2025, the following is imposed as a term, condition and limitation on the certificate of registration held by Dr. Leonard Joel Direnfeld in accordance with an undertaking and consent given by Dr. Direnfeld to the College of Physicians and Surgeons of Ontario:

UNDERTAKING, ACKNOWLEDGEMENT AND CONSENT
(“Undertaking”)

of

DR. LEONARD JOEL DIRENFELD
(“Dr. Direnfeld”)

to

COLLEGE OF PHYSICIANS AND SURGEONS OF ONTARIO
(the “College”)

A. PREAMBLE
1. In this Undertaking:
“Code” means the Health Professions Procedural Code, which is Schedule 2 to the Regulated Health Professions Act, 1991, S.O. 1991, c. 18, as amended;
“Discipline Tribunal” means the Ontario Physicians and Surgeons Discipline Tribunal of the College;
“ICRC” means the Inquiries, Complaints and Reports Committee of the College;
“OHIP” means the Ontario Health Insurance Plan;
“Ontario Physicians and Surgeons Discipline Tribunal” means the Discipline Committee established under the Code;
“Public Register” means the College’s register that is available to the public.
2. I, Dr. Direnfeld, certificate of registration number 32505, am a member of the College.
3. I, Dr. Direnfeld, acknowledge that the College has received information that I was charged under the Criminal Code of Canada as follows (collectively the “Charges” under the Criminal Code):
1. Forgery, contrary to section 366(1)(a) of the Criminal Code of Canada. 
2. Use of Forged Document, contrary to section 368(1)(a) of the Criminal Code of Canada. 
3. Identity Theft, contrary to section 402.2(1) of the Criminal Code of Canada. 
4. Drawing Document Without Authority, contrary to section 374(a) of the Criminal Code of Canada. 
5. Assault Causing Bodily Harm, contrary to section 267(b) of the Criminal Code of Canada. 
6. Causing Bodily Harm by Criminal Negligence, contrary to section 221 of the Criminal Code of Canada. 
7. Identity Fraud, contrary to section 403(1)(a) of the Criminal Code of Canada. 
4. I, Dr. Direnfeld, acknowledge that the College is monitoring these Charges.
5. I, Dr. Direnfeld, acknowledge that this Undertaking does not preclude the ICRC from making an order under section 25.4 of the Code at a later date, in accordance with the Code.

B. UNDERTAKING AND ACKNOWLEDGMENT
6. I, Dr. Direnfeld, undertake to abide by the provisions of this Undertaking, effective immediately on the date this Undertaking is signed (“Effective Date”).
7. Practice Restrictions
a. I, Dr. Direnfeld, undertake that I will not delegate the performance of any controlled acts to any person other than a regulated health professional acceptable to the College, who must be employed at my practice location(s).
b. I, Dr. Direnfeld, acknowledge that this Undertaking remains in effect unless and until the College agrees to release me from it or vary its terms or until all criminal proceedings, investigations or discipline proceedings have been completed, whichever is earlier.
8. Monitoring
a. I, Dr. Direnfeld, undertake to inform the College of each and every location at which I practice, delegate, or have privileges, including, but not limited to, any hospitals, clinics, offices, and any Out-of-Hospital Premises and Independent Health Facilities with which I am affiliated, in any jurisdiction (collectively, my “Practice Location” or “Practice Locations”), within five (5) days of executing this Undertaking. Going forward, I further undertake to inform the College of any and all new Practice Locations within five (5) days of commencing practice at that location.
b. I, Dr. Direnfeld, undertake to provide the College with copies of any written contracts relating to my employment at or independent contracting and/or consulting services provided to any clinic. If I am employed by or providing services at a clinic and no written contract exists, I undertake to provide the College with a written summary of any verbal contract.
c. I, Dr. Direnfeld, undertake to provide the College with the following information relevant to the College’s approval of my intended delegee(s):
1. Name of intended delegee;
2. Regulated health profession of which they are a member and registration number;
3. Letter from my Chief of Staff or a person with similar responsibilities at my practice location, confirming the intended delegee’s employment status and role at the practice location.
d. I, Dr. Direnfeld, undertake to inform the College if any delegee approved by the College ceases to be employed at my practice location, within five (5) days of the cessation of employment.
e. I, Dr. Direnfeld, undertake that I will submit to, and not interfere with, unannounced inspections of my Practice Locations and patient charts by a College representative for the purposes of monitoring my compliance with the provisions of this Undertaking.
f. I, Dr. Direnfeld, give my irrevocable consent to the College to make appropriate enquiries of OHIP, and/or any person who or institution that may have relevant information, in order for the College to monitor my compliance with the provisions of this Undertaking.
g. I, Dr. Direnfeld, acknowledge that I have executed the OHIP consent form, attached hereto as Appendix “A”.

C. ACKNOWLEDGEMENT
9. I, Dr. Direnfeld, acknowledge that all appendices attached to or referred to in this Undertaking form part of this Undertaking.
10. I, Dr. Direnfeld, acknowledge and undertake that I shall be solely responsible for payment of all fees, costs, charges, expenses, etc. arising from the implementation of any of the provisions of this Undertaking.
11. I, Dr. Direnfeld, acknowledge that I have read and understand the provisions of this Undertaking, and that I have obtained independent legal counsel in reviewing and executing this Undertaking, or have waived my right to do so.
12. I, Dr. Direnfeld, acknowledge that the College will provide this Undertaking to any Chief of Staff, or a colleague with similar responsibilities, at any Practice Location (“Chief of Staff” or “Chiefs of Staff”).
13. I, Dr. Direnfeld, acknowledge that, in the event of a referral to the Discipline Tribunal and in the event of an appeal of any Order of the Discipline Tribunal, if the Discipline Tribunal has directed the Registrar to revoke, suspend, or impose terms and conditions on my certificate of registration, that Order will take effect immediately despite any appeal.
14. I, Dr. Direnfeld, acknowledge that a breach by me of any provision of this Undertaking may constitute an act of professional misconduct and may result in a referral of specified allegations to the Discipline Tribunal.
15. I, Dr. Direnfeld, acknowledge that this Undertaking constitutes terms, conditions, and limitations on my certificate of registration for the purposes of section 23 of the Code.
16. Public Register
a. I, Dr. Direnfeld, acknowledge that, during the time period that this Undertaking remains in effect, this Undertaking shall be posted on the Public Register.
b. I, Dr. Direnfeld, acknowledge that, in addition to this Undertaking being posted in accordance with section (16)(a) above, the following summary shall be posted on the Public Register during the time period that this Undertaking remains in effect:
Dr. Direnfeld must not delegate the performance of any controlled act to any person.

D. CONSENT
17. I, Dr. Direnfeld, give my irrevocable consent to the College to make appropriate enquiries of OHIP and/or any person who or institution that may have relevant information, in order for the College to monitor my compliance with the provisions of this Undertaking.
18. I, Dr. Direnfeld, give my irrevocable consent to the College to provide all Chiefs of Staff with any information the College has that led to the circumstances of my entering into this Undertaking and/or any information arising from the monitoring of my compliance with this Undertaking.
19. I, Dr. Direnfeld, give my irrevocable consent to all Chiefs of Staff to disclose to the College, and to one another, any information relevant to this Undertaking and/or relevant for the purposes of monitoring my compliance with this undertaking.

Current Tribunal Proceedings

No information available

Past Tribunal Proceedings

No information available

Other Notifications (3)

Source: Member
Effective Date: 09 Sep 2025
Summary:
Summary of the Undertaking given by Dr. Leonard Joel Direnfeld to the College of Physicians and Surgeons of Ontario, effective September 9, 2025:  

Dr. Direnfeld must not delegate the performance of any controlled act to any person. 


Source: Other
Effective Date: 02 Jul 2025
Summary:

Charges 

 

Leonard Direnfeld was charged with the following offences: 

 

1.  Forgery, between October 16, 2024 and December 10, 2024, contrary to section 366(1)(a) of the Criminal Code of Canada. 

2.  Use of Forged Document, between October 16, 2024 and December 10, 2024, contrary to section 368(1)(a) of the Criminal Code of Canada. 

3.  Identity Theft, between October 16, 2024 and December 10, 2024, contrary to section 402.2(1) of the Criminal Code of Canada. 

4.  Drawing Document Without Authority, between October 16, 2024 and December 10, 2024, contrary to section 374(a) of the Criminal Code of Canada. 

5.  Assault Causing Bodily Harm, on or about December 13, 2024, contrary to section 267(b) of the Criminal Code of Canada. 

6.  Causing Bodily Harm by Criminal Negligence, on or about December 10, 2024, contrary to section 221 of the Criminal Code of Canada. 

7.  Identify Fraud, between October 23, 2023 and January 16, 2025, contrary to section 403(1)(a) of the Criminal Code of Canada. 

 

Date of Charge: July 2, 2025   

Place of Charge: Newmarket, Ontario  

York Regional Police 



Source: Other
Effective Date: 22 Jun 2025
Summary:
Release Conditions 
 
On June 22, 2025, the following Release Conditions were imposed on Leonard Direnfeld: 
 
1.  Direnfeld must notify Police of any change of your  contact information or address. 
2.  Direnfeld must not communicate, directly or indirectly, with named persons except through legal counsel for the purpose of preparing your defence. 
3. Direnfeld must not delegate to any unregulated professional.  

 

Current Tribunal Proceedings

No information available

Past Tribunal Proceedings

No information available

Other Notifications (3)

Source: Member
Effective Date: 09 Sep 2025
Summary:
Summary of the Undertaking given by Dr. Leonard Joel Direnfeld to the College of Physicians and Surgeons of Ontario, effective September 9, 2025:  

Dr. Direnfeld must not delegate the performance of any controlled act to any person. 


Source: Other
Effective Date: 02 Jul 2025
Summary:

Charges 

 

Leonard Direnfeld was charged with the following offences: 

 

1.  Forgery, between October 16, 2024 and December 10, 2024, contrary to section 366(1)(a) of the Criminal Code of Canada. 

2.  Use of Forged Document, between October 16, 2024 and December 10, 2024, contrary to section 368(1)(a) of the Criminal Code of Canada. 

3.  Identity Theft, between October 16, 2024 and December 10, 2024, contrary to section 402.2(1) of the Criminal Code of Canada. 

4.  Drawing Document Without Authority, between October 16, 2024 and December 10, 2024, contrary to section 374(a) of the Criminal Code of Canada. 

5.  Assault Causing Bodily Harm, on or about December 13, 2024, contrary to section 267(b) of the Criminal Code of Canada. 

6.  Causing Bodily Harm by Criminal Negligence, on or about December 10, 2024, contrary to section 221 of the Criminal Code of Canada. 

7.  Identify Fraud, between October 23, 2023 and January 16, 2025, contrary to section 403(1)(a) of the Criminal Code of Canada. 

 

Date of Charge: July 2, 2025   

Place of Charge: Newmarket, Ontario  

York Regional Police 



Source: Other
Effective Date: 22 Jun 2025
Summary:
Release Conditions 
 
On June 22, 2025, the following Release Conditions were imposed on Leonard Direnfeld: 
 
1.  Direnfeld must notify Police of any change of your  contact information or address. 
2.  Direnfeld must not communicate, directly or indirectly, with named persons except through legal counsel for the purpose of preparing your defence. 
3. Direnfeld must not delegate to any unregulated professional.  

 

Training

Medical School: University of Toronto, 1980

Registration History

DETAILS DATE
Transfer of class of registration to: Restricted Certificate Effective: 09 Sep 2025
Transfer of class of registration to: Independent Practice Certificate Effective: 22 Jun 1981
First certificate of registration issued: Postgraduate Education Certificate Effective: 16 Jun 1980
DETAILS: Transfer of class of registration to: Restricted Certificate
Date: Effective: 09 Sep 2025
DETAILS: Terms and conditions imposed on certificate by: Member
Date: Effective: 09 Sep 2025

DETAILS: Transfer of class of registration to: Independent Practice Certificate
Date: Effective: 22 Jun 1981

DETAILS: First certificate of registration issued: Postgraduate Education Certificate
Date: Effective: 16 Jun 1980