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William M. Hillner, Ph.D.


Doctor Hillner is a licensed Clinical Psychologist in both Tennessee and Georgia. Since 1973, he has provided mental health services for infants, children, teens, and adults. For over 10 years, Dr. Hillner was the director of Child & Adolescent Services at the Chattanooga Psychiatric Clinic. From there, he went on to become the Director of Behavioral Pediatrics at Erlanger’s Children’s Hospital. He also served as an instructor of graduate programs in psychology at both Eastern Illinois University and for the University of Tennessee Medical School.

Since 1985, Dr. Hillner has been in private practice, offering numerous psychiatric services:


Providing a variety of testing and evaluation services

  • Specializing in neuropsychology.

  • Evaluating those with learning disabilities, dyslexia and ADHD.

  • Evaluating individuals with anxiety, depression, Mood Disorders, impulse control problems and other areas.


Marital therapy

  • Certified in Imago Relationship Therapy and has completed training utilizing the Gottman model.


To address trauma, Dr. Hiller is a Level II EMDR clinician, and also provides Critical Incident Debriefing.


He utilizes Cognitive Behavior Therapy, specifically Rational Emotive Behavior Therapy.


He is recognized as an impartial expert in custody and family evaluations, and also provides services to address Parent Coordination and co-parenting.


Dr. Hillner can provide a bill which can be submitted to your insurance company.

Who We Are

We believe life evolves through and revolves around relationships. Relationships can involve your environment, spouse, child, parent, boss, child's teacher, and yourself. 

We realize problems just seem to happen at the worst times and can seem to go on forever. But, it doesn't have to be this way anymore. The Relationship Therapy Center professionals bring more than 50 years experience to bear on your problems. We have a special emphasis on short-term therapy, problem solving and coaching. 

Review our staff and services. Call or write us with your questions.

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To inquire about services, complete the following:

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Contact Our Office

For new patients, please fill out this form before your first appointment:

Note: once you complete the form, please send a photo of your ID and insurance card (front and back) to

For patients 18+ please fill out this form as well:

New Patients
Returning Patients

CLICK HERE TO FIND A TIME FOR AN APPOINTMENT. PLEASE SCHEDULE FIRST APPOINTMENT AS "INTAKE" FOR 45 MINUTES. Look for appointments on Monday and Tuesdays between 8 a.m to 7:30 p.m.

Get Records

The charge for copies is $20 for the first five pages and 50 cents for each additional page.

To obtain copies of prior reports / records:

Thanks for submitting! You'll be receiving an email soon from Bill Hellner to confirm the request and payment details.

Contact Us



Dr. Hillner has an office at

101 Jordan Drive

Chattanooga, TN 37421


Dr. Hillner sees patients and their families Mondays and Tuesdays, 8:00 a.m. to 6:45 p.m.

Phone: (423) 510-1999 Ext 6

Fax: 423-822-5509


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