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Emergency Medicine

Sarah Guess, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Missouri

Summary

Sarah Guess, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Saint Louis, MO and Creve Coeur, MO. NPI 1336633197. 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 Sarah Guess, 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
8Years since medical school (graduated 2018)
Medical University Of South Carolina College Of MedicineMedical school
FemaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Sarah Guess work at?
Medicare's official clinician data lists Sarah Guess at 3 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sarah Guess see patients?
Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
What is Sarah Guess's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Sarah Guess accept Medicare assignment?
Yes. Medicare's clinician data says Sarah Guess 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 Sarah Guess?
(314) 362-9170, as listed in official Medicare / NPI Registry data.
What is Sarah Guess's NPI number?
1336633197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah Guess works

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

Group practices

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

  • Washington University3,029 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All emergency medicine doctors in Saint Louis →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336633197
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