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Harrisburg    Hershey

Lancaster    Mechanicsburg Middletown


Accepting new clients!



"Links to Learning"

What do drugs look like?

Is my teenager using drugs?

Am I drinking too much?

Do I have depression?


















Upcoming first appointment?

View and print the intake form.

Print the HIPAA notice and our policies.

Get directions.

Please bring your photo ID and insurance cards.

**To avoid a $60 late cancellation/no-show fee, please give at least 24 hours' notice to cancel an appointment.

Wondering how to get started?

Learn about enrollment and the assessment process


The experienced staff at Mazzitti and Sullivan provide compassionate, individualized treatment.  Each client is paired with a trained, licensed clinician whose specialty best matches the client's unique needs.  Visit the services page to explore our diverse offerings.


Latest News


October 21, 2015

SCHEDULE CHANGE ANNOUNCEMENT >> The meeting time of Early Recovery Group will change to 6:30-8:00 beginning on November 3.

October 9, 2015

It is with great excitement that we are announcing the new location for the former Highspire office. The new address offers increased space, programming capacity, and accessibility to the local area. This location will have all of the services formerly offered in the Highspire office as well as maintain all of the staff and counselors. The address is 1801 Oberlin Road, Suite 303, Middletown, PA 17057.

A formal open house will be held in the coming weeks!

July 13, 2015

We're pleased to announce a brand new adult drug and alcohol program, "Process of Change" Adult Outpatient Group.  The group is offered through our Mechanicsburg location. 

September 30, 2014

Mazzitti and Sullivan is excited to announce that we've been named by Harrisburg Magazine Readers' Choice for Counseling in 2014.  It is our mission to serve our community, and we greatly appreciate being recognized for making a positive impact in the greater Harrisburg area.

April 18, 2014

Mazzitti and Sullivan Counseling Services, Highspire office has been nominated by Dauphin County Juvenile Probation to receive the JCJC award for Outstanding Adolescent Program of the Year.  Mazzitti and Sullivan is being measured against other adolescent programs across the State of Pennsylvania.

March 21, 2014

Adult IOP is now on the West Shore!  Beginning March 21, this group will be available in the Mechanicsburg location.

Corporate Office:  3207 North Front Street, Harrisburg, PA 17110    1-800-809-2925    fax: 717-540-6874

2015 Mazzitti & Sullivan      last update 11/12/15