Volunteer clinical professors
The volunteer clinical professors for the Department of Psychiatry and Behavioral Sciences at UC Davis is made up of experienced psychologists and physicians from the medical community in Sacramento and the surrounding areas. They contribute their practical experience in psychiatry and behavioral health management to our training programs and serve as valuable team members of our training and education programs.
Following is a list of our volunteer professors by specialty:

Andrea Bates, M.D.
Assistant Clinical Volunteer Professor
Specialties:
Adult Psychiatry
General Psychiatry

Christine Osterhout, M.D.
Assistant Clinical Volunteer Professor
Specialties:
Adult Correctional Psychiatry
Transgender and Gender Diverse Mental Health Specialist

Sufen Chiu, M.D., Ph.D.
Associate Clinical Volunteer Professor
Specialties:
Child and Adolescent Psychiatry

Christopher Fischer, M.D.
Assistant Clinical Volunteer Professor
Specialties:
General Psychiatry
Forensic Psychiatry

Mina Hah, M.D.
Associate Clinical Volunteer Professor
Specialties:
Child and Adolescent Psychiatry
Psychiatry and Addiction Medicine

James Margolis, M.D.
Volunteer Clinical Professor
Specialties:
Child and Adolescent Psychiatry

Resul Kaan Ozbayrak, M.D.
Assistant Clinical Volunteer Professor
Specialties:
Child and Adolescent Psychiatry

Steward Teal, M.D.
Volunteer Clinical Professor
Specialties:
Child and Adolescent Psychiatry

Michael E. Meek, M.D., M.P.H.
Diplomate American Board of Psychiatry and Neurology
Volunteer Clinical Professor of Psychiatry

Katherine Warburton, D.O.
Associate Clinical Volunteer Professor
Specialties:
Public Policy and Healthcare Administration

Barbara Jean Fattig, M.D.
Assistant Clinical Volunteer Professor
Specialties:
General Psychiatry - Psychoanalysis

Jill Ludin, M.D.
Assistant Clinical Volunteer Professor
Specialties:

Enrique LM Ochoa, M.D., Ph.D.
Assistant Clinical Volunteer Professor
Specialties:
General Psychiatry
Resident Education

Bhupinder Singh Waraich, M.D.
Associate Clinical Volunteer Professor
Specialties:
General Psychiatry
Geriatric Psychiatry

Carolina Klein, M.D.
Assistant Clinical Volunteer Professor
Specialties:
Addiction Medicine
Forensic Psychiatry

Jack McCarthy, M.D.
Associate Clinical Volunteer Professor
Specialties:
Psychiatry and Addiction Medicine
Maternal and Fetal Addiction

Sajoy P. Varghese, M.D., FAPA
Assistant Clinical Volunteer Professor
Specialities:
