Billy Wayne Clowney, M.D.
Hematology & Oncology Physician · Sumter, SC
Billy Wayne Clowney, M.D. is a hematology & oncology physician with a practice address in Sumter, South Carolina, and NPI 1477512101, issued on Mar 21, 2006. Check the license (South Carolina 14777, as entered in NPPES) on the South Carolina Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Billy Wayne Clowney
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 14777 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1105 N Lafayette Dr, Sumter, SC 29150
- Phone
- (803) 934-8833
- Enumerated
- Mar 21, 2006
- Record last updated
- Nov 4, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (803) 934-0776
- Medicaid ID
- 147772 SC
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 181 in South Carolina → Look up another NPI →
Also registered at 1105 N Lafayette Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Kellogg, MDHematology & Oncology Physician1265490643
Verify Billy Wayne Clowney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 14777Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Billy Wayne Clowney among 181 hematology & oncology physician records in South Carolina
Billy Wayne Clowney, M.D. is one of 181 hematology & oncology physician records with a practice address in South Carolina. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 49% newer
- In a Medicare fileNo · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2009 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in South Carolina
There are 181 hematology & oncology physician records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 181 in South Carolina → Every provider in Sumter → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- William Kellogg, MDSumter, SC 291501265490643
- Amanda BilkoWest Columbia, SC 291691699207886
- Scott Graupner, D.O.West Columbia, SC 291691821438714
- Sindusha Gudipally, M.DWest Columbia, SC 291691942737614
- Vijaya Korrapati, M.D.West Columbia, SC 291691033186713
- Asheesh Lal, M.D.West Columbia, SC 291691841223047
- Steven Madden, MDWest Columbia, SC 291691538198171
- Kavitha Paramanathan, M.DWest Columbia, SC 291691700021847
Common questions
What is Billy Wayne Clowney, M.D.'s NPI number?
Billy Wayne Clowney, M.D.'s National Provider Identifier (NPI) is 1477512101, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Billy Wayne Clowney, M.D. located?
The NPPES record lists a practice address at 1105 N Lafayette Dr, Sumter, SC, 29150. Phone: (803) 934-8833. Providers update this record themselves, so call before visiting.
How can I verify Billy Wayne Clowney, M.D.'s license?
NPPES lists South Carolina license number 14777, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.