NPPES file of Aug 9, 2026

William Ernest Southerland, O. D.

Optometrist · Greenville, SC

William Ernest Southerland, O. D. is an optometrist with a practice address in Greenville, South Carolina, and NPI 1821325333, issued on Nov 5, 2009. Check the license (South Carolina 1580, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821325333
Name
William Ernest Southerland
Credential
O. D.
Primary taxonomy
Optometrist 152W00000X
License number
1580 SC
Self-reported in NPPES; status is on the state search
Practice location
1 Halton Green Way, Greenville, SC 29607
Phone
(864) 654-6706
Enumerated
Nov 5, 2009
Record last updated
Jun 3, 2026
Medicare enrollment
Enrolled (PECOS I20121128000301); accepts Medicare assignment
Medical or professional school
Pennsylvania College Of Optometry, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Halton Green Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andrew Brookner, M.D.Ophthalmology Physician1629063888
  2. David Donelson, M.D.Ophthalmology Physician1750383212
  3. Jonathan Eide, ODOptometrist1790367811
  4. Amy La Croix, O.D.Optometrist1033471214
  5. Alison Smith, M.D.Ophthalmology Physician1962619304

Verify William Ernest Southerland in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 1580
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

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46% fewer Medicare Part D claims than the average optometrist in 2024

150 Medicare Part D claims for 79 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. William Southerland150
  2. Specialty average277

Most prescribed

  1. Latanoprost27 claims
  2. Prednisolone Acetate25 claims
  3. Lumigan13 claims
  4. Timolol Maleate13 claims
  5. Restasis11 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: $539.93

11 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Southerland$539.93
  2. Specialty average$769.99

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

  1. Clemson Eye PAGreenville, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Optometrist providers in South Carolina

There are 749 optometrist records in South Carolina.

Other optometrist records in South Carolina

  1. Harris Abbasi, OD, MHA, FAAO, LSSBBFt Jackson, SC1376796821
  2. Lindsey Adams, O.D.Myrtle Beach, SC1871944793
  3. Ethan Adkins, ODGreenville, SC1154813566
  4. William Ahders, ODColumbia, SC1710082482
  5. Alvin AlegadoGoose Creek, SC1194461699
  6. William Alexander, ODHartsville, SC1114931854
  7. Robert Allen, O.D.Hilton Head Island, SC1023041910
  8. Fouad Allouch, O.DMyrtle Beach, SC1972676203
  9. James Anderson, ODGreenville, SC1548227283
  10. Jeremy Anderson, O.D.Spartanburg, SC1942262621

Common questions

What is William Ernest Southerland, O. D.'s NPI number?

William Ernest Southerland, O. D.'s National Provider Identifier (NPI) is 1821325333, issued on Nov 5, 2009. An NPI identifies a provider in billing; it is not a license.

Where is William Ernest Southerland, O. D. located?

The NPPES record lists a practice address at 1 Halton Green Way, Greenville, SC, 29607. Phone: (864) 654-6706. Providers update this record themselves, so call before visiting.

How can I verify William Ernest Southerland, O. D.'s license?

NPPES lists South Carolina license number 1580, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does William Ernest Southerland, O. D. prescribe under Medicare Part D?

In 2024, William Ernest Southerland, O. D. had 150 Medicare Part D claims for 79 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

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.