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Emergency Medicine

Mark A. Marshall, DO

Works at hospitals in Folsom, CA · California

Summary

Mark A. Marshall, DO (Emergency Medicine) is listed by Medicare at 1 hospital in Folsom, CA. NPI 1457595001. 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 Mark A. Marshall, 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
17Years since medical school (graduated 2009)
MaleGender (as listed)
Cep America - CaliforniaGroup practice

Quick answers

Which hospitals does Mark A. Marshall work at?
Medicare's official clinician data lists Mark A. Marshall at 1 hospital: Mercy Hospital of Folsom. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Marshall see patients?
Medicare's clinician data lists 1 practice location in Truckee, CA. Call before your visit to confirm the address.
What is Mark A. Marshall's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Mark A. Marshall accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Marshall 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 Mark A. Marshall?
(530) 587-6011, as listed in official Medicare / NPI Registry data.
What is Mark A. Marshall's NPI number?
1457595001. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Marshall works

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

Group practices

Medicare enrollment lists Mark A. Marshall as a member of this group (CMS data updated 2026-10-02).

  • Cep America - California1,292 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Truckee

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

All emergency medicine doctors in Truckee →

Clinician information

CredentialDO
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457595001
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