Anthony Williamson, M.D.
Neurology Physician · Bluffton, SC
Anthony Williamson, M.D. is a neurology physician with a practice address in Bluffton, South Carolina, and NPI 1609829845, issued on May 18, 2006. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Anthony Williamson
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 10121 MT
Self-reported in NPPES; status is on the state search - Practice location
- 75 Baylor Dr Ste 155, Bluffton, SC 29910
- Phone
- (843) 836-3667
- Enumerated
- May 18, 2006
- Record last updated
- Jan 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 0047983 MT
- Medicare enrollment
- Enrolled (PECOS I20141222002378); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 326 in South Carolina → Look up another NPI →
Also registered at 75 Baylor Dr Ste 155
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Hefferon, PAPhysician Assistant1295755312
- Karen Henrichsen, D.O.Internal Medicine Physician1225228240
- Tammy Medlin, FNPFamily Nurse Practitioner1346371663
Verify Anthony Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average neurology physician in 2024
1,002 Medicare Part D claims for 310 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Memantine Hcl121 claims
- Gabapentin102 claims
- Memantine Hcl Er74 claims
- Donepezil Hcl71 claims
- Carbidopa-Levodopa64 claims
- Levetiracetam46 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): 0 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: $117.73
3 payments; by number, the most common kind was food and beverage; the largest payer was Emd Serono, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- St Peters HealthHelena, MT · Acute Care Hospitals3 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.
Anthony Williamson among 326 neurology physician records in South Carolina
Anthony Williamson, M.D. is one of 326 neurology physician records with a practice address in South Carolina. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 65% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1998 · median 2007 among the 185 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in South Carolina
There are 326 neurology physician records in South Carolina.
All 326 in South Carolina → Every provider in Bluffton → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Christopher Caracciolo, DOBluffton, SC 299101558999359
- George Warner, MDBluffton, SC 299101548245301
- Norman Bettle, M.D.Beaufort, SC 299061033180039
- Charles Shissias, M.D.Beaufort, SC 299061124039334
- Ashton Giammona, PA-CPort Royal, SC 299351093609174
- Paul Mazzeo, M.D.Port Royal, SC 299351568432185
- Jose Cardenas, M.D.Aiken, SC 298011245279314
- Richard Eisenberg, MDAiken, SC 298011336101922
Common questions
What is Anthony Williamson, M.D.'s NPI number?
Anthony Williamson, M.D.'s National Provider Identifier (NPI) is 1609829845, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Williamson, M.D. located?
The NPPES record lists a practice address at 75 Baylor Dr Ste 155, Bluffton, SC, 29910. Phone: (843) 836-3667. Providers update this record themselves, so call before visiting.
How can I verify Anthony Williamson, M.D.'s license?
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 Anthony Williamson, M.D. prescribe under Medicare Part D?
In 2024, Anthony Williamson, M.D. had 1,002 Medicare Part D claims for 310 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Anthony Williamson, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.