About Us


T. W. Ponessa & Associates Psychiatric Outpatient Clinic was established in 1991 and is licensed by the Pennsylvania Department of Health and the Department of Public Welfare. 

The treatment team at T. W. Ponessa &


T.W. Ponessa Building
  Associates is dedicated to providing confidential, comprehensive assessment, intervention and treatment for individuals in all phases of life, pre-school through senior years, who are experiencing a variety of mental health concerns.

The Outpatient Clinic is proud to feature:

  • Psychiatric evaluation and medication management
  • Individual, Family, and Couples Counseling
  • Play Therapy
  • Specialization in the area of sexual abuse for child and adult survivors.
  • Experienced and Dedicated Master’s Level Clinicians

T.W. Ponessa & Associates Counseling Services offers:

  • Outpatient services in Dauphin, Lancaster, Lebanon, and York Counties
  • Drug and Alcohol services in Dauphin, Lancaster, and York Counties
  • Behavioral Health Rehabilitation Services in Chester, Cumberland/Perry, Dauphin, Lancaster, Lebanon, and York Counties
  • School Based services for the Selected School in Lancaster and Lebanon Counties

Contact Us

To schedule your first appointment,
please call our intake screener at 1-800-437-5405

Corporate Office
410 N. Prince St.
Lancaster, PA 17603
(717) 560-7917
FAX (717) 560-6452
Toll Free: 1-877-228-9177


Satellite Locations

Chester County
390 Waterloo Rd
Suite 120
Exton, PA 19341
(610) 363-5500
(610) 363-6499
Dauphin County
900 North 6th Street
Harrisburg, PA 17102
(717) 233-4027
(717) 233-4047
Lebanon County
15 South 9th Street
Lebanon, PA 17042
(717) 273-5992
(717) 273-5995
York County
2845 Eastern Blvd.
York, PA 17402
(717) 840-6444
(717) 757-2555
York City
239 W. Philadelphia St.
York, PA 17401
(717) 845-2425
(717) 845-2682
TW Ponessa
& Associates Counseling Services, Inc
Copyright 2006 All Rights Reserved