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Emergency Medicine

Marek K. Banas, DO

Works at hospitals in Vallejo, CA · San Francisco, CA · California

Summary

Marek K. Banas, DO (Emergency Medicine) is listed by Medicare at 3 hospitals in Vallejo, CA and San Francisco, CA. NPI 1467727297. 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 Marek K. Banas, 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
14Years since medical school (graduated 2012)
Lincoln Memorial University Medical DepartmentMedical school
MaleGender (as listed)
Cep America - CaliforniaGroup practice (+1 more)

Quick answers

Which hospitals does Marek K. Banas work at?
Medicare's official clinician data lists Marek K. Banas at 3 hospitals: Sutter Solano Medical Center, UCSF Health Saint Francis Hospital and UCSF Health St. Mary's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marek K. Banas see patients?
Medicare's clinician data lists 3 practice locations, including Vallejo, CA, Antioch, CA and San Francisco, CA. Call before your visit to confirm the address.
What is Marek K. Banas's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Marek K. Banas accept Medicare assignment?
Yes. Medicare's clinician data says Marek K. Banas 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 Marek K. Banas?
(707) 554-5210, as listed in official Medicare / NPI Registry data.
What is Marek K. Banas's NPI number?
1467727297. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marek K. Banas works

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

Group practices

Medicare enrollment lists Marek K. Banas as a member of these groups (CMS data updated 2026-10-02).

  • Cep America - California1,292 clinicians in the group
  • Vallejo Emergency Physicians Medical Group Inc10 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Vallejo

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

All emergency medicine doctors in Vallejo →

Clinician information

CredentialDO
Medical schoolLincoln Memorial University Medical Department
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467727297
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