Alex Walker Johnson, DO
Ophthalmology Physician · Port Royal, SC
Alex Walker Johnson, DO is an ophthalmology physician with a practice address in Port Royal, South Carolina, and NPI 1245806736, issued on Jun 3, 2021. Check the license (South Carolina 93824, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alex Walker Johnson
- Credential
- DO
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 93824 SC
12871 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1664 Ribaut RD, Port Royal, SC 29935
- Phone
- (843) 522-8466
- Enumerated
- Jun 3, 2021
- Record last updated
- Aug 6, 2025
- Medicaid ID
- 938240 SC
- Medicare enrollment
- Enrolled (PECOS I20250728001410); accepts Medicare assignment
- Medical or professional school
- Liberty Univ College Of Osteopathic Medicine, 2021
- Entity
- Type 1 · individual
Also registered at 1664 Ribaut RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Demetrajane Kokinakis, DOOphthalmology Physician1770579013
Verify Alex Walker 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 93824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average ophthalmology physician in 2024
302 Medicare Part D claims for 87 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Latanoprost59 claims
- Dorzolamide-Timolol43 claims
- Brimonidine Tartrate38 claims
- Timolol Maleate22 claims
- Prednisolone Acetate16 claims
- Acetazolamide14 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: $945.42
11 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.
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
- Beaufort Eye Center P APort Royal, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 ophthalmology physician records list a practice address in Port Royal
They are 2 of the 97 NPPES records with a practice address in Port Royal, and 329 ophthalmology physician records in South Carolina.
All 2 in Port Royal → All 329 in South Carolina → Every provider in Port Royal →
Other ophthalmology physician records in South Carolina
- Ghada Abdel Hafez, M.D.Charleston, SC1699901660
- Carolina Adams, MDCharleston, SC1841743127
- William Aherne, M.D.Charleston, SC1609860766
- Kathleen Albrecht, M.D.Columbia, SC1942274907
- Daniel Alfaro, M.D.Charleston, SC1982719290
- Bryan Anderson, MDRock Hill, SC1598749236
- Larry Andreo, M.D.Fort Jackson, SC1568556157
- Alexander AnetakisMyrtle Beach, SC1003842220
- Scott Anfinson, M.D.Bluffton, SC1285678029
- Michael Antworth, MDGreenville, SC1649254020
Common questions
What is Alex Walker Johnson, DO's NPI number?
Alex Walker Johnson, DO's National Provider Identifier (NPI) is 1245806736, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alex Walker Johnson, DO located?
The NPPES record lists a practice address at 1664 Ribaut RD, Port Royal, SC, 29935. Phone: (843) 522-8466. Providers update this record themselves, so call before visiting.
How can I verify Alex Walker Johnson, DO's license?
NPPES lists South Carolina license number 93824, 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 Alex Walker Johnson, DO prescribe under Medicare Part D?
In 2024, Alex Walker Johnson, DO had 302 Medicare Part D claims for 87 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.