Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Sean M. Sumner, MD

Works at hospitals in Gainesville, GA · Cumming, GA · Georgia

Summary

Sean M. Sumner, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Gainesville, GA and Cumming, GA. NPI 1093718942. 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 Sean M. Sumner, 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
YesOffers telehealth
32Years since medical school (graduated 1994)
Duke University School Of MedicineMedical school
MaleGender (as listed)
Northeast Georgia Diagnostic Associates and Clinic, LLCGroup practice

Quick answers

Which hospitals does Sean M. Sumner work at?
Medicare's official clinician data lists Sean M. Sumner at 2 hospitals: Northeast Georgia Medical Center, Inc and Northside Hospital Forsyth. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sean M. Sumner see patients?
Medicare's clinician data lists 1 practice location in Gainesville, GA. Call before your visit to confirm the address.
What is Sean M. Sumner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Sean M. Sumner accept Medicare assignment?
Yes. Medicare's clinician data says Sean M. Sumner 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 Sean M. Sumner offer telehealth?
Medicare's clinician data says Sean M. Sumner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sean M. Sumner?
(770) 536-9864, as listed in official Medicare / NPI Registry data.
What is Sean M. Sumner's NPI number?
1093718942. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sean M. Sumner works

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

Group practices

Medicare enrollment lists Sean M. Sumner as a member of this group (CMS data updated 2026-10-02).

  • Northeast Georgia Diagnostic Associates and Clinic, LLC81 clinicians in the group

Specialties

Find other Internal Medicine doctors in Georgia →

Other internal medicine doctors in Gainesville

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

All internal medicine doctors in Gainesville →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093718942
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