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Physician Assistant

Marcella Pierce, PA

Works at hospitals in Grass Valley, CA · California

Summary

Marcella Pierce, PA (Physician Assistant) is listed by Medicare at 1 hospital in Grass Valley, CA. NPI 1558801399. 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 Marcella Pierce, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
FemaleGender (as listed)
Western Sierra Medical Clinic IncGroup practice

Quick answers

Which hospitals does Marcella Pierce work at?
Medicare's official clinician data lists Marcella Pierce at 1 hospital: Sierra Nevada Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marcella Pierce see patients?
Medicare's clinician data lists 1 practice location in Grass Valley, CA. Call before your visit to confirm the address.
What is Marcella Pierce's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Marcella Pierce accept Medicare assignment?
Yes. Medicare's clinician data says Marcella Pierce 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 Marcella Pierce?
(530) 274-9762, as listed in official Medicare / NPI Registry data.
What is Marcella Pierce's NPI number?
1558801399. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marcella Pierce works

Medicare's Facility Affiliation Data lists Marcella Pierce 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 Marcella Pierce is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marcella Pierce as a member of this group (CMS data updated 2026-10-02).

  • Western Sierra Medical Clinic Inc36 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Grass Valley

Clinicians with the same Medicare primary specialty in Grass Valley, CA — not a recommendation.

All physician assistants in Grass Valley →

Clinician information

CredentialPA
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558801399
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