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: October 25, 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, maintains a secondary practice location in Bellingham, and is a graduate of Other (2025).

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
Medical School CMSOtherGraduated 2025
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

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID7719443621
PECOS Enrollment IDI20260730005903
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.

Medicare Billing Reassignment

Medicare enrollment records show Alyssa Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pain Medicine
4029 NORTHWEST AVE STE 301
Bellingham, WA 98226
  • Reassigned Medicare billing, Washington enrollment
  • 31 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Which organization bills Medicare for Alyssa Mayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Mayer reassigns Medicare benefits to Sound Pain Alliance (Bellingham, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alyssa Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alyssa Mayer accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Alyssa Mayer 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 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 3 months 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.