Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Clinical Psychologist

Martha W. Davis, CP

Sees patients in Des Moines, WA · Washington

Summary

Martha W. Davis, CP (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Des Moines, WA. NPI 1104891977. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Martha W. Davis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
FemaleGender (as listed)

Quick answers

Where does Martha W. Davis see patients?
Medicare's clinician data lists 1 practice location in Des Moines, WA. Call before your visit to confirm the address.
What is Martha W. Davis's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Martha W. Davis accept Medicare assignment?
Yes. Medicare's clinician data says Martha W. Davis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Martha W. Davis?
(206) 871-9051, as listed in official Medicare / NPI Registry data.
What is Martha W. Davis's NPI number?
1104891977. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Martha W. Davis is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Clinical Psychologist, Washington →

Other clinical psychologists in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All clinical psychologists in Washington →

Clinician information

CredentialCP
Graduation year1988
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104891977
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians