TW Ponessa & Associates- About

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 &

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
Experienced and Dedicated Master’s Level Clinicians
Play Therapy
Specialization in the area of sexual abuse for child and adult survivors.

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, Lancaster, Lebanon, York, and Dauphin Counties
School Based services for the Selected School in Lancaster and Lebanon Counties

Contact Us

Corporate Office
2141 Oregon Pike
Lancaster, PA 17601
(717) 560-7917
FAX (717) 560-6452
Toll Free: 1-877-228-9177

Outpatient, Lancaster BHRS Referrals & Drug & Alcohol Services Referrals
2141 Oregon Pike
Lancaster, PA 17601
(717) 560-7917
FAX (717) 560-6452

Satellite Locations

Lancaster County
8 North Queen St.
Griest Bldg., Suite M-2
Lancaster, PA 17603
(717) 392-4322
FAX (717) 392-0036
Toll Free:
1-800-437-5405

Chester County
390 Waterloo Blvd.
Suite 120
Exton, PA 19341
(610) 363-5500
FAX (610) 363-6499

York County
2845 Eastern Blvd.
York, PA 17402
(717) 840-6444
FAX (717) 757-2555

Lebanon County
15 South 9th Street
Lebanon, PA 17042
(717) 273-5992
FAX (717) 273-5995

Dauphin County
2451 N. Third St.
Harrisburg, PA 17110
(717) 233-4027
FAX (717) 233-4047