William Ellis, MD
Emergency Medicine Physician · Greenville, SC
William Ellis, MD is an emergency medicine physician with a practice address in Greenville, South Carolina, and NPI 1972187094, issued on May 6, 2021. Check the license (South Carolina 85734, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Ellis
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 85734 SC
Self-reported in NPPES; status is on the state search - Practice location
- 701 Grove RD FL 1, Greenville, SC 29605
- Phone
- (864) 455-7899
- Enumerated
- May 6, 2021
- Record last updated
- Nov 19, 2025
- Fax
- (864) 455-5474
- Medicare enrollment
- Enrolled (PECOS I20250520001748); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,244 in South Carolina → Look up another NPI →
Also registered at 701 Grove RD FL 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine AldenPsychiatry Physician1598405649
- Judson Alderman, M.D.Emergency Medicine Physician1043667629
- Henrique Alencastro Puls, MDCritical Care Medicine (Anesthesiology) Physician1568969723
- Fariya Ali, M.D.Psychiatry Physician1891220497
- Jordan AllenEmergency Medicine Physician1154958452
- Wallace Anderson, MDEmergency Medicine Physician1467080762
Verify William Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 85734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average emergency medicine physician in 2024
108 Medicare Part D claims for 77 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $120.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Ellis among 1,244 emergency medicine physician records in South Carolina
William Ellis, MD is one of 1,244 emergency medicine physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 12% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2012 among the 752 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
279 emergency medicine physician records list a practice address in Greenville
They are 279 of the 10,264 NPPES records with a practice address in Greenville, and 1,244 emergency medicine physician records in South Carolina.
All 1,244 in South Carolina → Every provider in Greenville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Elizabeth Atkinson, M.D.Greenville, SC 296051659343507
- David Circle, MDGreenville, SC 296051427011931
- Gregory Cromer, MDGreenville, SC 296051366410490
- John Crumpler, M.D.Greenville, SC 296051093788796
- Sarah Fabiano, MDGreenville, SC 296051972585438
- Jesse Felder, MDGreenville, SC 296051124081534
- Frank Ferlisi, MDGreenville, SC 296051013970433
- Eric Goedecke, D.O.Greenville, SC 296051811964265
Common questions
What is William Ellis, MD's NPI number?
William Ellis, MD's National Provider Identifier (NPI) is 1972187094, issued on May 6, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Ellis, MD located?
The NPPES record lists a practice address at 701 Grove RD FL 1, Greenville, SC, 29605. Phone: (864) 455-7899. Providers update this record themselves, so call before visiting.
How can I verify William Ellis, MD's license?
NPPES lists South Carolina license number 85734, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Ellis, MD prescribe under Medicare Part D?
In 2024, William Ellis, MD had 108 Medicare Part D claims for 77 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.