Dr. Stephen Klaine Trapp , PhD
Psychologist • Portland, ME
Professional Overview & Biography Verified Profile Summary
Dr. Stephen Trapp, PhD is a certified Psychologist practicing in Portland, ME. With approximately 11 years of clinical experience since completing medical education in 2015, Dr. Trapp delivers high-quality medical care to the local community at 887 CONGRESS ST STE 400.
Dr. Trapp is affiliated with Mainehealth and accepts Medicare assignment.
Frequently performed procedures and clinical services include psychotherapy, psychiatric services complicated by communication factor, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
887 Congress St Ste 400
Portland, ME 041023163
Medicare Profile & Education
Other
2015
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Portland, ME
Practicing in Portland, ME (281 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
90837
Psychotherapy, 60 minutes
|
38 | 13 | $393.80 | $124.79 |
|
90785
Psychiatric services complicated by communication factor
|
25 | 13 | $44.00 | $13.76 |
|
90832
Psychotherapy, 30 minutes
|
17 | 13 | $196.90 | $62.16 |
|
90791
Psychiatric diagnostic evaluation
|
14 | 14 | $405.90 | $125.07 |
Medical Specialties & State Licenses
CMS Verified: 2025-06-23NUCC 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.
NUCC 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
Mainehealth
887 Congress St, Portland, ME 041023163
Phone: 2076625522
Mainehealth
22 Bramhall St, Portland, ME 041023134
Phone: 2078859905
Secondary Practice Locations
30 N 1900 E
Salt Lake City, UT 841320002
Phone: 2022500049
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Acute Care
Nurse Practitioner
Surgery
Doctor of Medicine (M.D.)
Surgery - Surgical Critical Care
Doctor of Medicine (M.D.)
Emergency Medicine - Emergency Medical Services
Doctor of Medicine (M.D.)
Physician Assistant - Surgical
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 887 CONGRESS ST STE 400, PORTLAND, ME 041023163 (Tel: 2077746368)
Registered at 887 CONGRESS ST STE 400, PORTLAND, ME 041023163 (Tel: 2077746368)
NPI status registered as active in NPPES database
Registered at 30 N 1900 E, SALT LAKE CITY, UT 841320002 (Tel: 2022500049)
Registered at 1235 E WILMINGTON AVE, 611, SALT LAKE CITY, UT 841063758 (Tel: 2022500049)
Recorded as STEPHEN TRAPP, PHD
Psychologist (License #9695351-2501 in UT)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
887 Congress St Ste 400
Portland, ME 041023163
Phone: 2077746368
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.