Psychologist and Therapist in Philadelphia, Pennsylvania Mary Shirk, Psychologist
Provider Gender: Female
Ages Served: 6-26
Appointments: In-office and Telehealth
Manages Medications: No, provides therapy only

Mary Shirk, PsyD, PhD
Mary Jean (MJ) Rainsford, PsyD Mary Jean (MJ) Rainsford is a Psychologist in Pennsylvania who has been practicing since 2022. She has a BS in Human Services from the University of Delaware, an MS in School Psychology from the Philadelphia College of Osteopathic Medicine, and a PsyD in School Psychology from the Philadelphia College of Osteopathic Medicine. MJ specializes in working with children, adolescents, and young adults up to age 25. She uses individualized treatment plans to meet the strengths and needs of each client. Her approach combines several therapeutic approaches (CBT, DBT, ACT, etc.) and emphasizes teaching independent use of adaptive coping skills. MJ often collaborates with parents and other caretakers to ensure that progress made in sessions is carried over into the real-world context. In her free time, MJ enjoys backpacking, hiking, playing strategic board games (Catan, Dominion, etc.), and cooking.
Expertise
- ADHD
- Anxiety
- Childhood Behavior Issues
- Depression
- Grief
- Obsessive-Compulsive Disorder
- School Avoidance
- Sleep Disorders/Insomnia
Insurances Accepted
- Aetna
- Aetna-Medicare
- Allied Trades Assistance Program
- Behavioral Health Systems (BHS)
- Carelon (Beacon)
- Carelon (Beacon)-Medicare
- Centivo
- Claritev (MultiPlan PHCS)
- Claritev (MultiPlan PHCS)-Medicare
- ComPsych
- Evernorth (Cigna)
- Evernorth (Cigna)-Medicare
- Highmark Blue Shield
- Highmark Blue Shield-Medicare
- Humana-Medicare
- Independence Blue Cross
- Independence Blue Cross-Medicare
- Magellan
- Magellan-Medicare
- Medicare
- MediNcrease Health Plans (MHP)
- Optum, UnitedHealthcare
- Optum, UnitedHealthcare-Medicare
- Partners Direct Health
- Provider Network of America (PNOA)
- Quest Behavioral Health
- Quest Behavioral Health-Medicare
- Sana Benefits
- Sana Benefits-Medicare
- World Trade Center (HealthSmart)
Interventions
- Acceptance and Commitment Therapy
- Cognitive Behavioral Therapy (CBT)
- Dialectical Behavior Therapy (DBT)
- Exposure Therapy
Populations
Education
-
Philadelphia College of Osteopathic Medicine
Professional | 2021
Philadelphia, PA, US
-
Philadelphia College of Osteopathic Medicine
Professional | 2016
Philadelphia, PA, US
-
University of Delaware
Undergraduate | 2014
Newark, DE, US
Languages
- English
FAQs
Please use our online form to schedule an appointment with Mary Shirk. You can also call 215-732-6308 to have someone assist you.
Mary Shirk generally accepts new patients but there could be a waitlist.
Please call 215-732-6308 to find out Mary Shirk's schedule and availability.
LifeStance Health providers accept most commercial insurance plans that are offered in the states where we offer services, including telehealth. Please see the following list of insurances accepted by Mary Shirk:
- Aetna
- Aetna-Medicare
- Allied Trades Assistance Program
- Behavioral Health Systems (BHS)
- Carelon (Beacon)
- Carelon (Beacon)-Medicare
- Centivo
- Claritev (MultiPlan PHCS)
- Claritev (MultiPlan PHCS)-Medicare
- ComPsych
- Evernorth (Cigna)
- Evernorth (Cigna)-Medicare
- Highmark Blue Shield
- Highmark Blue Shield-Medicare
- Humana-Medicare
- Independence Blue Cross
- Independence Blue Cross-Medicare
- Magellan
- Magellan-Medicare
- Medicare
- MediNcrease Health Plans (MHP)
- Optum, UnitedHealthcare
- Optum, UnitedHealthcare-Medicare
- Partners Direct Health
- Provider Network of America (PNOA)
- Quest Behavioral Health
- Quest Behavioral Health-Medicare
- Sana Benefits
- Sana Benefits-Medicare
- World Trade Center (HealthSmart)
If you don't see your insurance listed, please contact us at 215-732-6308 to see how we can help.
Mary Shirk is a Psychologist and cannot prescribe medication. However, most LifeStance offices have a Psychiatrist or APN on staff who can prescribe medication if needed.
Mary Shirk works at the following locations:
Yes, Mary Shirk does offer online telehealth visits.
Yes, Mary Shirk is currently offering in-office visits at the following locations: