Dr. Mary Josephine Hendrickson , PhD
Psychologist • Issaquah, WA
Professional Overview & Biography Verified Profile Summary
Dr. Mary Hendrickson, PhD is a certified Psychologist practicing in Issaquah, WA. With approximately 29 years of clinical experience since completing medical education in 1997, Dr. Hendrickson delivers high-quality medical care to the local community at 22500 SE 64TH PL STE 230.
Dr. Hendrickson is affiliated with Western Psychological And Counseling Services Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Practice Location & Contact Primary Location
22500 Se 64th Pl Ste 230
Issaquah, WA 980278111
Medicare Profile & Education
Other
1997
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Issaquah, WA
Practicing in Issaquah, WA (1137 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2025-10-03NUCC Taxonomy Code: 103T00000X
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Hospital & Practice Group Affiliations
Western Psychological And Counseling Services Llc
22500 Se 64th Pl, Issaquah, WA 980278111
Phone: 4254096414
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Counselor - Mental Health
LMHCA
Social Worker - Clinical
Counselor - Mental Health
Marriage & Family Therapist
Counselor - Mental Health
Counselor - Mental Health
Master of Arts, Licensed Mental Health Counselor
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 22500 SE 64TH PL STE 230, ISSAQUAH, WA 980278111 (Tel: 4254096414)
Registered at 22500 SE 64TH PL STE 230, ISSAQUAH, WA 980278111 (Tel: 4254096414)
Recorded as MARY HENDRICKSON, PHD
Psychologist (License #PY00002719 in WA)
NPI status registered as active in NPPES database
Registered at 5825 221ST PLACE SE, STE 201, ISSAQUAH, WA 98027 (Tel: 2064315336)
Registered at 16040 CHRISTENSEN RD, STE 212, TUKWILA, WA 98188 (Tel: 2064315336)
Recorded as MARY HENDRICKSON, MD
Psychologist (License #PY2719 in WA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
22500 Se 64th Pl Ste 230
Issaquah, WA 980278111
Phone: 4254096414
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.