CHRISTINE M. NICHOLSON, INC.
NPI 1407035926
Psychologist in Sequim, WA

Active since November 01, 2007
530B N 5TH AVE, SEQUIM, WA 98382(360) 683-4845(425) 285-9344 Get Directions Write a Review

NPPES record last updated: December 8, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christine M. Nicholson, Inc. NPPES

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

CHRISTINE M. NICHOLSON, INC. (NPI 1407035926) is a healthcare organization registered as a psychologist in Sequim, Washington and active in the NPI registry since November 2007. The organization lists Christine Marie Nicholson, President, as its authorized official.

NPPES Registry Identity

NPI1407035926
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameCHRISTINE M. NICHOLSON, P.A.
Location Address530B N 5TH AVESequim, WA 98382-3079
Mailing Address11205 Ne 117th StKirkland, WA 98034-7031 · (360) 683-4845 · Fax (425) 285-0344
Fax(425) 285-9344
Organization SubpartNo
Authorized OfficialChristine Marie NicholsonPresident · (360) 683-4845
Enumeration DateNovember 1, 2007
Last NPPES UpdateDecember 8, 2008
✔ NPI 1407035926 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 · PY00003423
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.
530B N 5TH AVE, Sequim, WA 98382

Other Names 1

Doing Business AsChristine M. Nicholson, Inc.

Other Identifiers 1

Medicaid000N6325NM

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christine M. Nicholson, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateWashingtonEnrollment IDO20080110000096Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Christine M. Nicholson, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Clinical Psychologist
NPI 1972613115
530B N 5TH AVE
Sequim, WA 98382
(360) 683-4845
✔ PECOS✔ Accepts MedicareSame address

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

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 Christine M. Nicholson, P.A.'s NPI number?

The NPI number for Christine M. Nicholson, P.A. is 1407035926. It was assigned to this organization in the NPPES registry on November 1, 2007. The provider is doing business as Christine M. Nicholson, Inc..

Where is Christine M. Nicholson, P.A. located?

Christine M. Nicholson, P.A. is located at 530B N 5th Ave, Sequim, WA 98382. The listed phone number is (360) 683-4845.

What is Christine M. Nicholson, P.A.'s specialty?

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

Is Christine M. Nicholson, P.A. enrolled in Medicare?

Yes. Christine M. Nicholson, P.A. is registered in the Medicare PECOS enrollment system.

When is Christine M. Nicholson, P.A.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Washington, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Christine M. Nicholson, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Christine M. Nicholson, P.A.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Christine M. Nicholson, P.A. was last updated on December 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.