Provider Directory / B / Sylvia Balabusta PA-C Sylvia Balabusta, PA-C Sleep Medicine Specialties: Sleep Medicine Phone Number: 720-279-9098 Fax: 720-540-4250 Website Link: https://coloradosleep.org/ Address: Colorado Sleep Institute 1630 Dry Creek Dr Ste 200, Longmont, CO 80503 Get Directions