Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1689039422 Individual Practitioner Female Practitioner

Dr. Annie Derthick , PhD

Psychologist • Lewiston, ME

Professional Overview & Biography Verified Profile Summary

Dr. Annie Derthick, PhD is a registered healthcare professional specializing in Psychologist in Lewiston, ME. Practice services are available at 76 HIGH ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

76 High St

Lewiston, ME 04240

Telephone 2077952800

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Lewiston, ME

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 34.0 Yrs
State Avg: 30.5 Yrs
Regional Practice Density
11 Specialists

Practicing in Lewiston, ME (281 Statewide)

Telehealth Adoption Rate
9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-08-07
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License GA PSY900357

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.

Psychologist - Family

NUCC Taxonomy Code: 103TF0000X

State License ME PS1563

A psychologist whose specialty is founded on principles of systems theory with the interpersonal system of the family the focus of assessment, intervention and research.

Psychologist

NUCC Taxonomy Code: 103T00000X

State License AK 107779

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.

Secondary Practice Locations

1201 E 36th Ave

Anchorage, AK 995084372

Phone: 9075629229

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1003297565

Doctor of Medicine (M.D.)

NPI 1013205210

Doctor of Medicine (M.D.)

Dr. Eliza Foster , DO

Family Medicine

NPI 1013539022

Doctor of Osteopathic Medicine (D.O.)

Dr. Larry Fitch , DO

Family Medicine

NPI 1023864865

Doctor of Osteopathic Medicine (D.O.)

Bronte Roberts , LCPCC, LADC

Counselor - Professional

NPI 1053089417

LCPCC, Licensed Alcohol and Drug Counselor

NPI 1083108773

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 07, 2026

Psychologist (License #PS1563 in ME)

📍
Updated Practice Location September 13, 2018

Registered at 76 HIGH ST, LEWISTON, ME 04240 (Tel: 2077952800)

📍
Updated Business Mailing Address September 13, 2018

Registered at 76 HIGH ST, LEWISTON, ME 042407649 (Tel: 2077952800)

NPI Profile Active February 25, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location February 25, 2016

Registered at 1201 E 36TH AVE, ANCHORAGE, AK 995084372 (Tel: 9075629229)

📍
Updated Business Mailing Address February 25, 2016

Registered at PO BOX 4105, PORTLAND, OR 972084105 (Tel: 8669071068)

👤
Provider Name / Credentials Updated February 25, 2016

Recorded as ANNIE DERTHICK, PHD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 25, 2016

Psychologist (License #107779 in AK)

🟢
Initial NPI Registration & Enumeration December 21, 2015

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

NPI Number: 1689039422
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 21, 2015
Last Update: August 07, 2026
Sole Proprietor: No

Mailing Address

76 High St

Lewiston, ME 042407649

Phone: 2077952800

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

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.