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Family Practice

Monica Mayhill, MD

Sees patients in Aberdeen, WA · Portland, OR · Seattle, WA · Washington, Oregon

Summary

Monica Mayhill, MD (Family Practice) is enrolled with Medicare at 4 practice locations in Aberdeen, WA, Portland, OR and Seattle, WA. NPI 1902858061. 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 Monica Mayhill, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
FemaleGender (as listed)
PeaceHealth Networks on Demand LLCGroup practice (+1 more)

Quick answers

Where does Monica Mayhill see patients?
Medicare's clinician data lists 4 practice locations, including Aberdeen, WA, Portland, OR and Seattle, WA. Call before your visit to confirm the address.
What is Monica Mayhill's specialty?
Medicare lists Family Practice as the primary specialty, and also Obstetrics/Gynecology.
Does Monica Mayhill accept Medicare assignment?
Yes. Medicare's clinician data says Monica Mayhill 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 Monica Mayhill?
(360) 537-4185, as listed in official Medicare / NPI Registry data.
What is Monica Mayhill's NPI number?
1902858061. 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 Monica Mayhill is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Monica Mayhill as a member of these groups (CMS data updated 2026-10-02).

  • PeaceHealth Networks on Demand LLC193 clinicians in the group
  • Grays Harbor Community Hospital88 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Aberdeen

Clinicians with the same Medicare primary specialty in Aberdeen, WA — not a recommendation.

All family doctors in Aberdeen →

Clinician information

CredentialMD
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902858061
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