DR. ERIN LYN BESSER PSY.D.
NPI 1679818538
Psychologist in Portland, OR

Active since December 04, 2012
847 NE 19TH AVE, PORTLAND, OR 97232(503) 222-0707 Get Directions Write a Review

NPPES record last updated: June 21, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 21, 2023, Oct 14, 2019 (2 updates tracked since 2019).

About Dr. Erin Lyn Besser Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERIN LYN BESSER PSY.D. (NPI 1679818538) is an individual psychologist in Portland, Oregon, licensed in Oregon (3143) and active in the NPI registry since December 2012.

NPPES Registry Identity

NPI1679818538
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ERIN LYN BESSERCredential: PSY.D.
Location Address847 NE 19TH AVEPortland, OR 97232-2684
Mailing Address847 Ne 19th AvePortland, OR 97232-2684
Sole ProprietorNo
Enumeration DateDecember 4, 2012
Last NPPES UpdateJune 21, 20232 updates tracked since enumeration
NPPES CertifiedJune 21, 2023
NPI 1679818538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in OR · 3143
Definition
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.
847 NE 19TH AVE, Portland, OR 97232

Other Names 1

Former Name (1)Erin Lyn Gelien

Accepted Insurance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
847 NE 19TH AVE, SUITE 100
PORTLAND, OR 97232
Registered Nurse
847 NE 19TH AVE, SUITE 100
PORTLAND, OR 97232
Community Health Worker
847 NE 19TH AVE
PORTLAND, OR 97232
Adult Companion
847 NE 19TH AVE, SUITE 100
PORTLAND, OR 97232
Adult Companion
847 NE 19TH AVE, STE 100
PORTLAND, OR 97232
Counselor (Mental Health)
847 NE 19TH AVE, SUITE 100
PORTLAND, OR 97232
Adult Companion
847 NE 19TH AVE
PORTLAND, OR 97232
Case Manager/Care Coordinator
847 NE 19TH AVE
PORTLAND, OR 97232

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Erin Besser's NPI number?

The NPI number for Erin Besser is 1679818538. It was assigned to this individual provider in the NPPES registry on December 4, 2012. The provider is also known as Erin Lyn Gelien.

Where is Erin Besser located?

Erin Besser practices at 847 NE 19th Ave, Portland, OR 97232. The listed phone number is (503) 222-0707.

What is Erin Besser's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

What insurance does Erin Besser accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Erin Besser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Erin Besser was last updated on June 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.