Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALYSSA MAYER
NPI 1043944838
Psychologist in Wenatchee, WA

Active since July 15, 2022PECOS Enrolled
600 ORONDO AVE, WENATCHEE, WA 98801(509) 662-6000 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2026, May 15, 2024, Jul 15, 2022 (3 updates tracked since 2022).

About Alyssa Mayer NPPES

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

ALYSSA MAYER (NPI 1043944838) is an individual psychologist in Wenatchee, Washington, licensed in Washington (PY70061811) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Bellingham.

NPPES Registry Identity

NPI1043944838
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameALYSSA MAYER
Location Address600 ORONDO AVEWenatchee, WA 98801-2800
Mailing Address4029 Northwest Ave Ste 301Bellingham, WA 98226-9077
Sole ProprietorNo
Enumeration DateJuly 15, 2022
Last NPPES UpdateJuly 16, 20263 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
NPI 1043944838 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 WA · PY70061811
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.
600 ORONDO AVE, Wenatchee, WA 98801

Secondary Practice Location 1

Location 14029 Northwest Ave Ste 301Bellingham, WA 98226-9077 · Phone (360) 610-7993

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alyssa Mayer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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)
600 ORONDO AVE, SUITE 1
WENATCHEE, WA 98801
Pediatrics
600 ORONDO AVE, STE 1
WENATCHEE, WA 98801
Nurse Practitioner (Family)
600 ORONDO AVE, STE 1
WENATCHEE, WA 98801
Nurse Practitioner (Psychiatric/Mental Health)
600 ORONDO AVE
WENATCHEE, WA 98801
Advanced Practice Midwife
600 ORONDO AVE
WENATCHEE, WA 98801
Dentist (General Practice)
600 ORONDO AVE, STE 1
WENATCHEE, WA 98801
Physician Assistant
600 ORONDO AVE
WENATCHEE, WA 98801
Counselor
600 ORONDO AVE
WENATCHEE, WA 98801

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 Alyssa Mayer's NPI number?

The NPI number for Alyssa Mayer is 1043944838. It was assigned to this individual provider in the NPPES registry on July 15, 2022.

Where is Alyssa Mayer located?

Alyssa Mayer practices at 600 Orondo Ave, Wenatchee, WA 98801. The listed phone number is (509) 662-6000.

What is Alyssa Mayer's specialty?

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

Is Alyssa Mayer enrolled in Medicare?

Yes. Alyssa Mayer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Mayer was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.