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Emergency Medicine

Lydia M. Ross, MD

Works at hospitals in Shelton, WA · Washington

Summary

Lydia M. Ross, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Shelton, WA. NPI 1851033369. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lydia M. Ross, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
Wayne State University School Of MedicineMedical school
FemaleGender (as listed)
Public Hospital District No 1 of Mason CountyGroup practice

Quick answers

Which hospitals does Lydia M. Ross work at?
Medicare's official clinician data lists Lydia M. Ross at 1 hospital: Mason General Hospital & Family of Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lydia M. Ross see patients?
Medicare's clinician data lists 1 practice location in Shelton, WA. Call before your visit to confirm the address.
What is Lydia M. Ross's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Lydia M. Ross accept Medicare assignment?
Yes. Medicare's clinician data says Lydia M. Ross 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 Lydia M. Ross?
(360) 426-1611, as listed in official Medicare / NPI Registry data.
What is Lydia M. Ross's NPI number?
1851033369. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lydia M. Ross works

Medicare's Facility Affiliation Data lists Lydia M. Ross at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lydia M. Ross is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lydia M. Ross as a member of this group (CMS data updated 2026-10-02).

  • Public Hospital District No 1 of Mason County57 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Shelton

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

All emergency medicine doctors in Shelton →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851033369
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians