William G. Sandifer Iii, MD

Medicare activity in 2024

Official CMS public-use data for William G. Sandifer Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)470 services
2. Hospital discharge day management, more than 30 minutes (99239)143 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)100 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)38 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis56%
• Chronic kidney disease54%
• Ischemic heart disease53%
• Atrial fibrillation48%

Hospitals where William G. Sandifer Iii works

Medicare's Facility Affiliation Data lists William G. Sandifer Iii 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.

• Prisma Health Greenville Memorial HospitalGreenville, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 420078
• Prisma Health Oconee Memorial HospitalSeneca, SC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 420009

Practice locations

Addresses where William G. Sandifer Iii is enrolled with Medicare (CMS data updated October 2, 2026).

• 1053 Ctr StWest Columbia, SC 29169 (800) 491‑0909
• 301 Memorial Dr, Suite FSeneca, SC 29672 (864) 885‑7758
• 701 Grove Rd, Suite 5Greenville, SC 29605 (864) 455‑4411

Group practices

Medicare enrollment lists William G. Sandifer Iii as a member of these groups (CMS data updated October 2, 2026).

• Prisma Health University Medical Group2,493 clinicians in the group
• SC House Calls Inc432 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in South Carolina →

Other hospitalists in West Columbia

Clinicians with the same Medicare primary specialty in West Columbia, SC — not a recommendation.

• Christine M. Scott Demonbre, MD
• Mitchell L. Nimmich, MD
• Melanie J. Demattei, DO
• Hope A. Brainard, DO
• Nathan A. Kerr
• David B. Blalock, MD
• Kayla Szolek, DO
• Saahil Thukral

All hospitalists in West Columbia →

Other clinicians in Prisma Health University Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• William G. Berkley, MD
• Jason Lynn
• Casey L. Berson, MD
• Taylor E. Broach
• Haley M. Bizaro, MD
• Nathan M. Moroski, MD

Clinician information

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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians