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Internal Medicine

Brian Day, MD

Works at hospitals in Tallahassee, FL · Florida

Summary

Brian Day, MD (Internal Medicine) is listed by Medicare at 1 hospital in Tallahassee, FL. NPI 1659955623. 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 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
Florida State University College Of MedicineMedical school
MaleGender (as listed)
Tallahassee Memorial Healthcare IncGroup practice

Quick answers

Which hospitals does Brian Day work at?
Medicare's official clinician data lists Brian Day at 1 hospital: Tallahassee Memorial Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian Day see patients?
Medicare's clinician data lists 1 practice location in Tallahassee, FL. Call before your visit to confirm the address.
What is Brian Day's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Brian Day accept Medicare assignment?
Yes. Medicare's clinician data says Brian 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.
What is the phone number for Brian Day?
(850) 431-4997, as listed in official Medicare / NPI Registry data.
What is Brian Day's NPI number?
1659955623. 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 Day works

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

Group practices

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

  • Tallahassee Memorial Healthcare Inc497 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Tallahassee

Clinicians with the same Medicare primary specialty in Tallahassee, FL — not a recommendation.

All internal medicine doctors in Tallahassee →

Clinician information

CredentialMD
Medical schoolFlorida State University College Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659955623
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