William Besson, MD INTERNAL MEDICINE
Internal Medicine Physician · Aiken, SC
William Besson, MD INTERNAL MEDICINE is an internal medicine physician with a practice address in Aiken, South Carolina, and NPI 1790862753, issued on Nov 1, 2006. Check the license (South Carolina 15780, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Besson
- Credential
- MD INTERNAL MEDICINE
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 15780 SC
Self-reported in NPPES; status is on the state search - Practice location
- 410 University Pkwy, Aiken, SC 29801
- Phone
- (803) 648-7888
- Enumerated
- Nov 1, 2006
- Entity
- Type 1 · individual
Also registered at 410 University Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Besson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 15780Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
5.4 times the Medicare Part D claims of the average internal medicine physician in 2024
15,045 Medicare Part D claims for 1,081 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 288 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium755 claims
- Amlodipine Besylate722 claims
- Levothyroxine Sodium715 claims
- Losartan Potassium562 claims
- Atorvastatin Calcium545 claims
- Hydrochlorothiazide345 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: $813.66
45 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Aiken Internal Med PAAiken, SC
- Aiken Regional Medical Centers LLCAiken, SC
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
28 internal medicine physician records list a Aiken practice address
They are 28 of the 1,385 NPPES records with a Aiken practice address, and 2,276 internal medicine physician records in South Carolina.
All 28 in Aiken → All 2,276 in South Carolina → Every provider in Aiken →
Other internal medicine physician records in South Carolina
- John Abbott, M.D.Sumter, SC1093830762
- Murad Abdelsalam, MDRock Hill, SC1013229756
- Mohammed Abdulfatah, MDOrangeburg, SC1285167023
- Amjad Abdulrahman, MDIrmo, SC1194718841
- Elizabeth Abell, MDSpartanburg, SC1083623805
- Alvin Abinsay, M.D.Marion, SC1689608002
- Izabela Abissi, DOCharleston, SC1376387803
- Tinu Abraham, MDGreenwood, SC1194354399
- Natallia Abramovich, MDSeneca, SC1568647949
- Mohammad Abudalou, MDColumbia, SC1164084653
Common questions
What is William Besson, MD INTERNAL MEDICINE's NPI number?
William Besson, MD INTERNAL MEDICINE's National Provider Identifier (NPI) is 1790862753, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Besson, MD INTERNAL MEDICINE located?
The NPPES record lists a practice address at 410 University Pkwy, Aiken, SC, 29801. Phone: (803) 648-7888. Providers update this record themselves, so call before visiting.
How can I verify William Besson, MD INTERNAL MEDICINE's license?
NPPES lists South Carolina license number 15780, 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 Besson, MD INTERNAL MEDICINE prescribe under Medicare Part D?
In 2024, William Besson, MD INTERNAL MEDICINE had 15,045 Medicare Part D claims for 1,081 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.