Our Psychiatrists and Sleep Specialists


Mark A. Welch, D.O., M.S.

Board Certified in Psychiatry and in Sleep Medicine

Fellowship Training in Sleep Medicine:
Loma Linda University

Residency Training in Psychiatry:
Loma Linda University

Medical School:
Western University of Health Sciences

Master’s Degree:
Anatomy: Research Emphasis

Clinical Orientation:
Supportive/Cognitive/Faith Based

Psychiatry and Sleep Medicine

Population served:
Psychiatry: adults and senior citizens; Sleep: all ages

Link to Forms for Mark A. Welch, D.O., M.S.


Theresa Anderson

Nursing School:
Beth-El College of Nursing & Health Sciences at UCCS

Masters Degree & Nurse Practitioner Training:
Azusa Pacific University

Board Certification: ANCC (American Nurses Credentialing Center)
Adult Psychiatric-Mental Health Nurse Practitioner

Clinical Orientation:
Supportive/Cognitive/Faith based

Population Served:
Psychiatry: Young adult and adults

Special Interest:
ADHD, Depression, and Anxiety Disorders

Link to Forms for Theresa Anderson