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Emergency Medicine

Keith Buchanan Jr., MD

Works at hospitals in Duluth, GA · Lawrenceville, GA · Georgia

Summary

Keith Buchanan Jr., MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Duluth, GA and Lawrenceville, GA. NPI 1922140706. 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 Keith Buchanan Jr., 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
32Years since medical school (graduated 1994)
University Of Florida College Of MedicineMedical school
MaleGender (as listed)
Gwinnett Emergency Specialists Observation Services LLCGroup practice

Quick answers

Which hospitals does Keith Buchanan Jr. work at?
Medicare's official clinician data lists Keith Buchanan Jr. at 2 hospitals: Northside Hospital Duluth and Northside Hospital Gwinnett. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Keith Buchanan Jr. see patients?
Medicare's clinician data lists 1 practice location in Lawrenceville, GA. Call before your visit to confirm the address.
What is Keith Buchanan Jr.'s specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Keith Buchanan Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Keith Buchanan Jr. 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 Keith Buchanan Jr.?
(954) 939-5000, as listed in official Medicare / NPI Registry data.
What is Keith Buchanan Jr.'s NPI number?
1922140706. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Keith Buchanan Jr. works

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

Group practices

Medicare enrollment lists Keith Buchanan Jr. as a member of this group (CMS data updated 2026-10-02).

  • Gwinnett Emergency Specialists Observation Services LLC36 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Georgia →

Other emergency medicine doctors in Lawrenceville

Clinicians with the same Medicare primary specialty in Lawrenceville, GA — not a recommendation.

All emergency medicine doctors in Lawrenceville →

Clinician information

CredentialMD
Medical schoolUniversity Of Florida College Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922140706
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