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
29/03/26 22:41:08 PM

General Information

Former Name: No Former Name
Medical School: University of Toronto, 1983
Gender: Man
Languages Spoken: ENGLISH

Practice Information

Primary Business Location: Address not Available
Business Email: No Information Available
Phone: No Information Available
Fax: No Information Available

Specialties

SPECIALTY ISSUED ON CERTIFYING BODY
Psychiatry
Effective: 07 Jun 1988
Royal College of Physicians and Surgeons of Canada
SPECIALTY: Psychiatry
ISSUED ON: Effective: Jun 07 1988
CERTIFYING BODY: Royal College of Physicians and Surgeons of Canada

Medical Records Location

Instructions/Address: Sunnybrook Health Sciences Centre
Department of Health Records
2075 Bayview Ave
Toronto, Ontario
M4N 3M5
Date Received: 04 Jan 2026
Instructions/Address: Patients may contact the hospital to request a copy of their medical record:

Sunnybrook Health Sciences Centre
2075 Bayview Avenue
Toronto, ON
M4N 3M5
Tel: 416-480-6133
Date Received: 05 Nov 2025

Medical Licences In Other Jurisdictions

Israel

Hospital Privileges

No information available

Professional Corporation Information

Corporation Name: Dr. Nathan Herrmann Medicine Professional Corporation
Certificate of Authorization Status: Inactive End Date: 08 Oct 2019

General Information

Former Name: No Former Name
Gender: Man
Languages Spoken: ENGLISH
Medical School: University of Toronto, 1983

Practice Information

Primary Business Location: Address not Available
Business Email: No Information Available
Phone: No Information Available
Fax: No Information Available

Specialties

SPECIALTY ISSUED ON CERTIFYING BODY
Psychiatry
Effective: 07 Jun 1988
Royal College of Physicians and Surgeons of Canada
SPECIALTY: Psychiatry
ISSUED ON: Effective: Jun 07 1988
CERTIFYING BODY: Royal College of Physicians and Surgeons of Canada

Medical Records Location

Instructions/Address: Sunnybrook Health Sciences Centre
Department of Health Records
2075 Bayview Ave
Toronto, Ontario
M4N 3M5
Date Received: 04 Jan 2026
Instructions/Address: Patients may contact the hospital to request a copy of their medical record:

Sunnybrook Health Sciences Centre
2075 Bayview Avenue
Toronto, ON
M4N 3M5
Tel: 416-480-6133
Date Received: 05 Nov 2025

Medical Licences In Other Jurisdictions

Israel

Hospital Privileges

No information available

Professional Corporation Information

Corporation Name: Dr. Nathan Herrmann Medicine Professional Corporation
Certificate of Authorization Status: Inactive End Date: 08 Oct 2019

Practice Conditions

This physician is inactive (Expired, Resigned, Suspended, Revoked, or Deceased) and is not permitted to practise medicine.
This physician is inactive (Expired, Resigned, Suspended, Revoked, or Deceased) and is not permitted to practise medicine.

Current Tribunal Proceedings

No information available

Past Tribunal Proceedings

No information available

Current Tribunal Proceedings

No information available

Past Tribunal Proceedings

No information available

Training

Medical School: University of Toronto, 1983

Registration History

DETAILS DATE
Expired: Resigned from membership. Effective: 31 Dec 2025
Transfer of class of registration to: Independent Practice Certificate Effective: 08 Aug 1984
First certificate of registration issued: Postgraduate Education Certificate Effective: 13 Jun 1983
DETAILS: Expired: Resigned from membership.
Date: Effective: 31 Dec 2025
DETAILS: Transfer of class of registration to: Independent Practice Certificate
Date: Effective: 08 Aug 1984
DETAILS: First certificate of registration issued: Postgraduate Education Certificate
Date: Effective: 13 Jun 1983