Adult Telehealth Psychiatry, Weight Management & Addiction Care in Tennessee and Virginia
Holston Health Associates is a telehealth practice serving adults 18 and older who are physically located in Tennessee or Virginia. Founded by Dr. Dan Nicolau, MD — triple board-certified in Psychiatry, Obesity Medicine, and Addiction Medicine.
Our Services
Comprehensive care tailored to your needs.
Psychiatry
Comprehensive psychiatric evaluation and medication management for depression, anxiety disorders, ADHD, bipolar disorder, panic disorder, OCD, PTSD, binge eating, and other mental health conditions.
Family Medicine
Primary and preventive care for adults 18 and older, including health screenings, lab reviews, and ongoing management of chronic conditions such as high blood pressure, diabetes, prediabetes, high cholesterol, thyroid conditions, smoking cessation, and weight management.
Family medicine appointments are not yet available — coming soon.
Weight Loss
Your weight loss journey should feel supported, not overwhelming. We offer personalized, medically supervised care, including GLP-1 medications like tirzepatide and semaglutide and other options, tailored to you, your health goals, and lifestyle.
Addiction Treatment
Telehealth treatment for adults with alcohol use disorder, opioid use disorder, tobacco use, and other addictions. We do not provide alcohol detox or withdrawal management.
Whole-person care: your clinician may address more than one concern in a visit when it falls within their specialty. Dr. Dan Nicolau provides treatment for psychiatric conditions, weight loss, and addictions. Family medicine with Lacey Nicolau, FNP-BC is not yet available — coming soon.
Helpful patient resources
Meet Our Providers
Board-certified clinicians committed to whole-person care.
Dr. Dan Nicolau
MD — Psychiatry · Obesity Medicine · Addiction Medicine
Dr. Nicolau is a board-certified psychiatrist who has been practicing medicine since 2010. He holds board certifications in Psychiatry, Obesity Medicine, and Addiction Medicine, and brings a thoughtful, patient-centered approach to every visit. He sees adults for psychiatric medication management, weight loss, and addiction treatment.
Good care starts with understanding you as a whole person. We discuss your symptoms, medical history, work, relationships, and cultural background to develop an individualized treatment plan. Treatment may include medication, therapy recommendations, or both, depending on your needs.
Request an AppointmentLacey Nicolau
FNP-BC — Family Medicine
Lacey Nicolau is a board-certified family nurse practitioner with a focus on primary and preventive care for adults. She brings warmth and clinical expertise to every patient relationship. Family medicine appointments are not yet available.
Not yet booking — coming soon
Contact Us
We're here to help. Reach out by phone, fax, or secure messaging — we look forward to hearing from you.
Phone
(423) 568-5980
Fax
(423) 205-2636
Secure messaging
For scheduling and general questions, message us securely through Spruce Health. Connect at spruce.care/DanNicolauMD using the free Spruce app or on the web.
Ready to take the first step?
Dr. Nicolau is accepting new patients now. Family medicine with Lacey Nicolau is coming soon.
Request an Appointment with Dr. Nicolau