William Arnold Johnson, MD
Ophthalmology Physician · Columbia, SC
William Arnold Johnson, MD is an ophthalmology physician with a practice address in Columbia, South Carolina, and NPI 1376506774, issued on Apr 8, 2006. Check the license (South Carolina 23668, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Arnold Johnson
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 23668 SC
Self-reported in NPPES; status is on the state search - Practice location
- 100 Summit Centre Dr, Columbia, SC 29229
- Phone
- (803) 252-8566
- Enumerated
- Apr 8, 2006
- Record last updated
- Aug 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (803) 256-8881
- Medicaid ID
- 236685 SC
- Medicare enrollment
- Enrolled (PECOS I20120416000532); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 329 in South Carolina → Look up another NPI →
Also registered at 100 Summit Centre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynn Hicks-Snoddy, MDOphthalmology Physician1285697680
Verify William Arnold Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 23668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average ophthalmology physician in 2024
2,242 Medicare Part D claims for 543 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Latanoprost674 claims
- Dorzolamide-Timolol252 claims
- Prednisolone Acetate181 claims
- Lumigan162 claims
- Travoprost147 claims
- Timolol Maleate112 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 practice group's MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $54.46
3 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Columbia Eye Clinic PAColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Arnold Johnson among 329 ophthalmology physician records in South Carolina
William Arnold Johnson, MD is one of 329 ophthalmology physician records with a practice address in South Carolina. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 43% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2002 among the 219 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in South Carolina
There are 329 ophthalmology physician records in South Carolina.
All 329 in South Carolina → Every provider in Columbia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Willard Harms, MDColumbia, SC 292291124372776
- Lynn Hicks-Snoddy, MDColumbia, SC 292291285697680
- Dean Jacobs, MDColumbia, SC 292231427034040
- Kathleen Albrecht, M.D.Columbia, SC 292121942274907
- Alejandro Espaillat, MDColumbia, SC 292121891771812
- Stewart Miller, MDColumbia, SC 292121871592824
- Lawson Lewis, MDColumbia, SC 292091558313395
- Larry Andreo, M.D.Fort Jackson, SC 292071568556157
Common questions
What is William Arnold Johnson, MD's NPI number?
William Arnold Johnson, MD's National Provider Identifier (NPI) is 1376506774, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Arnold Johnson, MD located?
The NPPES record lists a practice address at 100 Summit Centre Dr, Columbia, SC, 29229. Phone: (803) 252-8566. Providers update this record themselves, so call before visiting.
How can I verify William Arnold Johnson, MD's license?
NPPES lists South Carolina license number 23668, 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 Arnold Johnson, MD prescribe under Medicare Part D?
In 2024, William Arnold Johnson, MD had 2,242 Medicare Part D claims for 543 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is William Arnold Johnson, MD's MIPS final score?
The 2023 MIPS final score is 97.1 of 100, reported for the practice group. 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.