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Neurology

Brian K. Day, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Brian K. Day, MD (Neurology) is listed by Medicare at 1 hospital in Saint Louis, MO. NPI 1992996219. 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 Brian K. Day, 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

NeurologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
19Years since medical school (graduated 2007)
University Of Kentucky College Of MedicineMedical school
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Brian K. Day work at?
Medicare's official clinician data lists Brian K. Day at 1 hospital: Barnes Jewish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian K. Day see patients?
Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
What is Brian K. Day's specialty?
Medicare lists Neurology as the primary specialty.
Does Brian K. Day accept Medicare assignment?
Yes. Medicare's clinician data says Brian K. Day 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.
Does Brian K. Day offer telehealth?
Medicare's clinician data says Brian K. Day offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Brian K. Day?
(314) 362-1408, as listed in official Medicare / NPI Registry data.
What is Brian K. Day's NPI number?
1992996219. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian K. Day works

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

Group practices

Medicare enrollment lists Brian K. Day as a member of this group (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group

Specialties

Find other Neurology doctors in Missouri →

Other neurologists in Saint Louis

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

All neurologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolUniversity Of Kentucky College Of Medicine
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1992996219
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