Dr. Theresa Lock, PHD

Dr. Theresa Lock, PHD

Counseling  ·  
Dr. Theresa Lock, PHD is a counselor in Tukwila, WA. She specializes in counseling, clinical psychology, and more.

18300 Cascade Ave S Ste 160

Tukwila, WA 98188

Contact Information

Insurance Accepted

  • Blue Cross Blue Shield
  • Cigna
  • Group Health Cooperative (GHC)

*Please verify this information when scheduling an appointment.

Background Check

Healthgrades does not collect malpractice claims information for Washington
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check if Dr. Lock treats your condition or procedure

Dr. Lock's conditions and procedures:

Couples Therapy
Depressive Disorders
Family Psychotherapy
Marital Counseling
Marital Therapy
Post-Traumatic Stress Disorder (PTSD)
Psychiatric Diseases
Psychological Testing
Psychotherapy Services
Schizoaffective Disorder
Schizophreniform Disorder
Sex Addiction
Sexual Abuse of Child
Substance Abuse
Substance Use Disorders

About Me

Care Philosophy

I know first hand the immigrant experience having been born and partially raised in China as well as growing up in this country. I am also honored and humbled to work with many people from diverse API backgrounds who have shared their struggles and t...


  • Counseling
  • Clinical Psychology
  • Marriage & Family Therapy
  • Psychotherapy


  • Toisan
  • English

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Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

Blue Cross Blue Shield
Blue Card PPO
Cigna HMO
Cigna PPO
Open Access Plus
Group Health Cooperative (GHC)
Coop Core