NPPES file of Aug 9, 2026

John Barnhill

Ophthalmology Physician · Columbia, SC

John Barnhill is an ophthalmology physician with a practice address in Columbia, South Carolina, and NPI 1609516509, issued on Mar 30, 2022. Check the license (South Carolina LL87777, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1609516509
Name
John Barnhill
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
LL87777 SC
2026-02332 NC
Self-reported in NPPES; status is on the state search
Practice location
2 Medical Park RD, Columbia, SC 29203
Phone
(803) 545-5321
Enumerated
Mar 30, 2022
Record last updated
Jul 10, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2 Medical Park RD

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

  1. Richard Adams, M.D.Maternal & Fetal Medicine Physician1427241157
  2. Nirosha AdepuRheumatology Physician1669177002
  3. Mary Aitchison, PH.D.Speech-Language Pathologist1114984937
  4. Joshua AndersonStudent in an Organized Health Care Education/Training Program1407607799
  5. Muhammad ArifSurgery Physician1487394318
  6. Jack AyresOrthopaedic Surgery Physician1679278097

Verify John Barnhill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license LL87777
    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
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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92% fewer Medicare Part D claims than the average ophthalmology physician in 2024

121 Medicare Part D claims for 41 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.

  1. John Barnhill121
  2. Specialty average1,518

Most prescribed

  1. Latanoprost22 claims
  2. Dorzolamide-Timolol14 claims
  3. Prednisolone Acetate12 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: $650.72

7 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.

  1. John Barnhill$650.72
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John Barnhill among 329 ophthalmology physician records in South Carolina

John Barnhill 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 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2026 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Levi Diggins, DOColumbia, SC 292031295539351
  2. Katie Keck, M.D.Columbia, SC 292031922441906
  3. Carol Ling, MDColumbia, SC 292031023059458
  4. Wilson McWilliams, M.D.Columbia, SC 292031912960212
  5. Vytautas Pakalnis, M.D.Columbia, SC 292031114981776
  6. Adam Pearlman, M.D.Columbia, SC 292031659735280
  7. Elizabeth Pogrebniak, MDColumbia, SC 292031750956017
  8. William Raynor, M.D.Columbia, SC 292031548064603

Common questions

What is John Barnhill's NPI number?

John Barnhill's National Provider Identifier (NPI) is 1609516509, issued on Mar 30, 2022. An NPI identifies a provider in billing; it is not a license.

Where is John Barnhill located?

The NPPES record lists a practice address at 2 Medical Park RD, Columbia, SC, 29203. Phone: (803) 545-5321. Providers update this record themselves, so call before visiting.

How can I verify John Barnhill's license?

NPPES lists South Carolina license number LL87777, 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 John Barnhill prescribe under Medicare Part D?

In 2024, John Barnhill had 121 Medicare Part D claims for 41 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.