Psychologist and Therapist in Portland, Maine Delinda Mercer, Psychologist
Provider Gender: Female
Ages Served: 15-65+
Appointments: In-office and Telehealth
Manages Medications: No, provides therapy only

Delinda Mercer, PhD
Dr. Mercer has a master’s degree in Psychological Services and a PhD in Professional Psychology from the University of Pennsylvania, and a post-doctoral master’s degree in Clinical Psychopharmacology from Alliant International University. She has been licensed as a psychologist since 1991 and has been working in this field for over thirty years. Prior to coming to Portland, she was a clinical psychologist at Regional West Health Services in Scottsbluff, Nebraska, where she worked in the outpatient clinic, was the Clinical Coordinator for the inpatient unit, consulted on the Rehabilitation unit and did consults throughout the hospital setting. Prior to that, she was an instructor, an addiction researcher and a therapist for the dually diagnosed population at the University of Pennsylvania. Dr. Mercer primarily does therapy, evaluation and supervision. She is Contributing Faculty for Walden University, where she teaches Clinical Psychopharmacology to graduate students in clinical psychology. She is certified in EMDR and is a NAADAC Master Addiction Counselor. Dr. Mercer’s therapeutic approach is to be humanistic and insight-oriented and she employs CBT and DBT strategies as well as EMDR.
Expertise
- Alcohol and Drug Use Issues
- Anxiety
- Bipolar Disorder
- Couple's Issues
- Depression
- Later Life Transitions
- Medical Conditions/Health Psychology
- Psychosis/Schizophrenia
- PTSD/Trauma
- Women's Issues
Insurances Accepted
- Aetna
- Aetna-Medicare
- Behavioral Health Systems (BHS)
- Carelon (Beacon)
- Carelon (Beacon)-Medicare
- Centivo
- Claritev (MultiPlan PHCS)
- Claritev (MultiPlan PHCS)-Medicare
- Community Health Options (CHO)
- ComPsych
- Elevance Health (Anthem BCBS)
- Elevance Health (Anthem BCBS)-Medicare
- Evernorth (Cigna)
- Humana-Medicare
- Medicare
- Optum, UnitedHealthcare
- Optum, UnitedHealthcare-Medicare
- Partners Direct Health
- Provider Network of America (PNOA)
- Sana Benefits
- Sana Benefits-Medicare
- Tricare East (Humana Military)
- Tufts
- Tufts-Medicare
- US Family/Martin Point Health Plan
- US Family/Martin Point Health Plan-Medicare
Interventions
- Cognitive Behavioral Therapy (CBT)
- Couples/Marital Counseling
- Dialectical Behavior Therapy (DBT)
- EMDR
- Gender-Affirmative Medical Readiness Evaluations
- Medical Procedure Evaluations
Populations
Education
-
Alliant International University
Graduate School | 2012
Allahambra, CA, US
-
University of Pennsylvania
Graduate School | 1996
Philadelphia, PA, US
-
University of Pennsylvania
Graduate School | 1984
Philadelphia, PA, US
-
Pennsylvania State University
Undergraduate | 1981
Hershey, PA, US
Languages
- English
FAQs
Please use our online form to schedule an appointment with Delinda Mercer. You can also call 207-828-4026 to have someone assist you.
Delinda Mercer generally accepts new patients but there could be a waitlist.
Please call 207-828-4026 to find out Delinda Mercer'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 Delinda Mercer:
- Aetna
- Aetna-Medicare
- Behavioral Health Systems (BHS)
- Carelon (Beacon)
- Carelon (Beacon)-Medicare
- Centivo
- Claritev (MultiPlan PHCS)
- Claritev (MultiPlan PHCS)-Medicare
- Community Health Options (CHO)
- ComPsych
- Elevance Health (Anthem BCBS)
- Elevance Health (Anthem BCBS)-Medicare
- Evernorth (Cigna)
- Humana-Medicare
- Medicare
- Optum, UnitedHealthcare
- Optum, UnitedHealthcare-Medicare
- Partners Direct Health
- Provider Network of America (PNOA)
- Sana Benefits
- Sana Benefits-Medicare
- Tricare East (Humana Military)
- Tufts
- Tufts-Medicare
- US Family/Martin Point Health Plan
- US Family/Martin Point Health Plan-Medicare
If you don't see your insurance listed, please contact us at 207-828-4026 to see how we can help.
Delinda Mercer is a Psychologist and cannot prescribe medication. However, most LifeStance offices have a Psychiatrist or APN on staff who can prescribe medication if needed.
Delinda Mercer works at the following locations:
Yes, Delinda Mercer does offer online telehealth visits.
Yes, Delinda Mercer is currently offering in-office visits at the following locations: