Mark Leifeste 200pxI am a Board Certified Adult, Adolescent and Child Psychiatrist with a private practice in Boulder, Colorado. 

I specialize in evaluation, brief treatment, and consultation to on-going psychiatric treatment for clients of all ages.

My office hours are limited to Mondays and Tuesdays at 4410 Arapahoe Avenue, Suite 105 in Boulder, CO 80303.

To schedule a first, evaluation or consultation appointment please call Jessica Koepf at 303-444-3443 (or email This email address is being protected from spambots. You need JavaScript enabled to view it.)

I draw on my extensive training and over 35 years of experience to work with individuals and families to develop comprehensive treatment plans for healthy growth and change. I enjoy collaborating with my patients and with other professionals to effectively treat the whole person from biologic, psychologic, and interpersonal perspectives.

For life threatening emergencies call 911 immediately or go to the nearest Emergency Room. 

Phone: 303.449.6577

For non-life threatening emergencies, call Dr. Leifeste at 303.449.6577, leave a message, and then call Dr. Leifeste's pager at 303.909.6100. If Dr. Leifeste is out of town the message will direct you on how to contact the doctor on call.

To schedule an appointment call: 303.444.3443 (Jessica Koepf)

For inquires directly for Dr. Leifeste call 303.449.6577

Office: 4410 Arapahoe Avenue, Suite 105, Boulder, CO 80303.

When Dr. Leifeste is out of town you will be directed to the particular doctor on call by the message at 303-449-6577, or by calling Jessica Koepf.

Hours: Mondays and Tuesdays, 11:00 a.m. to 5:00 p.m.