William Sandifer, MD
NPI 1457311730 · Hospitalist Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sandifer, MD is a Hospitalist Physician provider in Greenville, SC (NPI 1457311730).
Provider details
- NPI number
- 1457311730
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 15862 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
751 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 470 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 143 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 100 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 38 | $110 |
Typical Medicare-allowed amounts for these services range $73–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Isosorbide Mononitratebrand: Isosorbide Mononitrate Er | 26 | — |
| Prednisone | 25 | 23 |
| Potassium Chloride | 23 | 13 |
| Cefdinir | 22 | 22 |
| Furosemide | 22 | 21 |
| Spironolactone | 20 | 14 |
| Atorvastatin Calcium | 19 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-23
- Last updated
- 2019-05-20
Frequently asked questions
- What is William Sandifer's NPI number?
- William Sandifer's National Provider Identifier (NPI) is 1457311730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sandifer's specialty?
- William Sandifer is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Sandifer located?
- William Sandifer's practice location on file with NPPES is 701 Grove Rd, Greenville, SC 29605-5611.
- What is William Sandifer's phone number?
- The practice phone number listed in the NPPES registry for William Sandifer is (864) 455-4436.
- Does William Sandifer accept Medicare?
- William Sandifer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sandifer's NPI active?
- Yes — William Sandifer's NPI (1457311730) is active in the NPPES registry as of the last update on 2019-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.