Addiction Medicine and Health Advocates
928 Market Street, Philadelphia, PA
Gemma Services
Also known as Preheim Center
Address: 6517 Chester Avenue, Philadelphia, PA 19142 · Map
Phone: (215) 247-1427
Website: gemmaservices.org
Services reported to SAMHSA
- Levels of care
- Outpatient
- Treatment focus
- Mental health treatment · Treatment for co-occurring disorders plus serious emotional disturbance (SED) in children
- Facility type
- Outpatient mental health facility
- Medications used
- Aripiprazole · Quetiapine · Risperidone · Ziprasidone · Antipsychotics used in treatment of SMI
- Treatment approaches
- Cognitive behavioral therapy · Couples/family therapy · Group therapy · Individual psychotherapy · Telemedicine/telehealth therapy
- Special programs
- Clients who have experienced trauma · Persons with post-traumatic stress disorder (PTSD)
- Ages accepted
- Children/Adolescents · Young Adults
- Payment accepted
- Medicaid · Private health insurance · Private or Community foundation · Cash or self-payment · State welfare or child and family services funds
- Ownership
- Private non-profit organization
- Other services
- Family psychoeducation · Supported employment · Therapeutic foster care · Suicide prevention services
Facility-provided information
- Care offered
- Outpatient
- Conditions treated
- Post Traumatic Stress Disorder · Trauma
- Therapies
- 1-on-1 Counseling · Cognitive Behavioral Therapy · Family Therapy · Group Therapy · Online Therapy
- Who it serves
- Adolescents · Children · LGBTQ+ · Young Adults
- Languages
- English
Before you call
- Have your insurance or Medicaid card ready and ask whether the facility is in network.
- Ask how soon they can do an assessment and whether there is a waitlist.
- Confirm the facility is licensed by Pennsylvania.
- If you are withdrawing from alcohol or benzodiazepines, ask about medical detox; do not stop suddenly on your own.
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Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.