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General Surgery

Grant C. Sizemore, MD

Works at hospitals in Dubuque, IA · Iowa

Summary

Dr. Grant C. Sizemore, MD is a general surgeon at 1430 Harper St, Augusta, GA 30901. May accept Medicare assignment. NPI 1942682281. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 1430 Harper St, Augusta, GA 30901 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Hospital: MercyOne Dubuque Medical Center
  • Medical school: University Of South Florida College Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Grant C. Sizemore, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Grant C. Sizemore accept Medicare assignment?
Medicare's clinician data says Grant C. Sizemore may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Grant C. Sizemore's NPI number?
1942682281. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Grant C. Sizemore works

Medicare's Facility Affiliation Data lists Grant C. Sizemore at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Grant C. Sizemore is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1430 Harper StAugusta, GA 30901
  • 1430 Harper St, Suite BAugusta, GA 30901

Specialties

Find other General Surgery doctors in Georgia →

Other general surgeons in Augusta

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

All general surgeons in Augusta →

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1942682281
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians