THS | Therapeutic Health Services

Therapeutic Health Services

fostering healing and recovery

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THS Seneca Branch

THS Seneca Branch
1300 Spring Street
Seattle, WA 98101
(206) 323-0930
Fax: (206) 323-0933

Contact: Tess Grimmett, B.S., CDP, Seneca Branch Manager

Seneca Branch Front Office Hours:
Monday – Thursday, 7:00AM – 5:30PM
Friday 7:00AM – 4:30PM

Seneca Branch Dispensary Hours:
Early Dosing:
Monday – Friday 6:00AM – 6:30AM
Saturday 7:00AM – 7:30AM

Regular Dosing:
Monday – Friday 6:30AM – 11:30AM
Saturday 7:30AM – 11:30AM

Please follow your assigned color code.

Programs & Services – Seneca Branch

Mental Health Services
  • Adult Mental Health Services
  • Counseling: Individual, Group & Family
  • African-American Ethnic Mental Health Specialty
  • Crisis Intervention
  • Medical Exam & Evaluation
  • Co-occurring Disorder Treatment
  • Medication Management
  • Mental Health Assessment
  • Mental Health Case Management
  • Mental Health Court Referrals
  • Psychiatric Evaluation
  • Primary Care

 Learn More About Youth Mental Health Services at THS

Substance Use Services & Medication-Assisted Treatment (Methadone/Suboxone®)
Support Services

THS Seneca Branch Posts

Closed, but Thankful

All Branch Closure – Thursday & Friday, November 28 & 29, 2019

Due to the Thanksgiving Holiday, all THS Branches will be closed on both Thursday & Friday, November 28th & 29th, 2019. If you need to request service, please complete our Get Help form located here: For Patients Receiving MAT/Methadone One (1) take home carry will be given on Wednesday, November 27th for those eligible. Patients will return on Friday, November 29 for regular dosing. If you normally receive carries, you will be accommodated. If you have any questions, please more..

branch closure

All Branch Closure – Monday, November 11, 2019

Due to the Veteran’s Day Holiday, all THS Branches will be closed Monday, November 11th, 2019. If you need to request service, please complete our Get Help form located here: If you are experiencing a medical or other emergency, call 911 immediately. If you are in crisis and wish to reach the King County Crisis Line, please call 206-461-3222 or 1-866-4CRISIS (1-866-427-4747). In Snohomish County, please call 2-1-1 or the Care Crisis Line at 1-800-584-3578.