William Travis Ellison, M.D.
Internal Medicine Physician · Greer, SC
William Travis Ellison, M.D. is an internal medicine physician with a practice address in Greer, South Carolina, and NPI 1548338197, issued on Dec 1, 2006. Check the license (South Carolina 100795, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Travis Ellison
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 100795 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2755 S Highway 14, Greer, SC 29650
- Phone
- (864) 879-7556
- Enumerated
- Dec 1, 2006
- Record last updated
- Dec 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (864) 879-3693
- Medicaid IDs
- 100795 SC
82458 SC - Medicare enrollment
- Enrolled (PECOS I20100201000745); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 2755 S Highway 14
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Travis Ellison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 100795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average internal medicine physician in 2024
6,020 Medicare Part D claims for 412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium421 claims
- Losartan Potassium383 claims
- Amlodipine Besylate346 claims
- Ezetimibe223 claims
- Rosuvastatin Calcium205 claims
- Metoprolol Succinate177 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.
The MIPS final score for 2023 (Medicare payment program): 96.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $625.90
33 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
One hospital affiliation
- Spartanburg Medical CenterGreer, SC · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William Travis Ellison among 1,881 internal medicine physician records in South Carolina
William Travis Ellison, M.D. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1977 · median 2006 among the 1,119 with a school on file
- Record last updated2020 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Greer
They are 24 of the 1,131 NPPES records with a practice address in Greer, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Greer → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cristina Cameron, MDGreer, SC 296501750614822
- Ronak Desai, M.D.Greer, SC 296501154620987
- Luke Dolan, MDGreer, SC 296501780634824
- Cara Douglass, D.O.Greer, SC 296501952567166
- Todd Fennell, MDGreer, SC 296501083639884
- William Henry, M.D.Greer, SC 296501518935832
- Karen Hunter, M.D.Greer, SC 296501023086147
- Daniel Jebens, D.O.Greer, SC 296501821124934
Common questions
What is William Travis Ellison, M.D.'s NPI number?
William Travis Ellison, M.D.'s National Provider Identifier (NPI) is 1548338197, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Travis Ellison, M.D. located?
The NPPES record lists a practice address at 2755 S Highway 14, Greer, SC, 29650. Phone: (864) 879-7556. Providers update this record themselves, so call before visiting.
How can I verify William Travis Ellison, M.D.'s license?
NPPES lists South Carolina license number 100795, 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 Travis Ellison, M.D. prescribe under Medicare Part D?
In 2024, William Travis Ellison, M.D. had 6,020 Medicare Part D claims for 412 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Travis Ellison, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.