Mark Leifeste 200px

I am a Board Certified Adult, Adolescent, and Child Psychiatrist with a private practice in Boulder, Colorado. I specialize in evaluation, brief treatment, and consultation for clients of all ages. Thus, I can usually see a new person or family within a week or two of your first request.

In-person appointments are available on Mondays & Fridays at one of two offices in Boulder. To schedule a first evaluation or consultation appointment, please call Jessica Koepf at 303-444-3443 x 3 (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 other professionals to effectively treat the whole person from biological, psychological, and interpersonal perspectives.

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

Phone: 303.449.6577
FAX: 844.289.6617

For non-life threatening emergencies, call Dr. Leifeste at 303.449.6577, leave a message, and then dial Dr. Leifeste's personal cell at 303.909.6100.

To schedule an appointment, call 303.444.3443 ext 3 (Jessica Koepf).

For inquiries directly for Dr. Leifeste, call 303.449.6577.

Offices: 4410 Arapahoe Avenue, Suite 105, Boulder, CO 80303 (Mondays) and 350 Broadway, Suite 102, Boulder, CO 80305 (Fridays).

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

Hours: Mondays & Fridays for in-person visits. Various weekdays for virtual follow-up appointments.