Homer Ashton Ferguson, M.D.
Ophthalmology Physician · Swansea, IL
Homer Ashton Ferguson, M.D. is an ophthalmology physician with a practice address in Swansea, Illinois, and NPI 1225033178, issued on Jun 16, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Homer Ashton Ferguson
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- Practice location
- 3990 N Illinois St, Swansea, IL 62226
- Phone
- (618) 277-1130
- Enumerated
- Jun 16, 2005
- Record last updated
- Nov 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (618) 277-4917
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 898 in Illinois → Look up another NPI →
Also registered at 3990 N Illinois St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sama Alhalabi, ODOptometrist1508701996
- John Bush, ODOptometrist1326150822
- Thomas Fleming, M.D.Ophthalmology Physician1730185117
- Bart Jones, M.D.Ophthalmology Physician1447256797
- Melissa Kiel, M.D.Ophthalmology Physician1750511242
- Jeffrey Maher, M.D.Ophthalmology Physician1386649234
Verify Homer Ashton Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average ophthalmology physician in 2024
260 Medicare Part D claims for 56 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost112 claims
- Dorzolamide-Timolol45 claims
- Timolol Maleate44 claims
- Brimonidine Tartrate-Timolol12 claims
- Lumigan12 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.
Homer Ashton Ferguson among 898 ophthalmology physician records in Illinois
Homer Ashton Ferguson, M.D. is one of 898 ophthalmology physician records with a practice address in Illinois. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 60% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 ophthalmology physician records list a practice address in Swansea
They are 8 of the 352 NPPES records with a practice address in Swansea, and 898 ophthalmology physician records in Illinois.
All 898 in Illinois → Every provider in Swansea → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Thomas Fleming, M.D.Swansea, IL 622261730185117
- Bart Jones, M.D.Swansea, IL 622261447256797
- Melissa Kiel, M.D.Swansea, IL 622261750511242
- Jeffrey Maher, M.D.Swansea, IL 622261386649234
- Eric Mann, MD, PHDBelleville, IL 622261841289014
- Mark Nekola, MDSwansea, IL 622261073509766
- Enrique PeraltaSwansea, IL 622261346237534
- Paul Szewczyk, MDBelleville, IL 622261245226703
Common questions
What is Homer Ashton Ferguson, M.D.'s NPI number?
Homer Ashton Ferguson, M.D.'s National Provider Identifier (NPI) is 1225033178, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Homer Ashton Ferguson, M.D. located?
The NPPES record lists a practice address at 3990 N Illinois St, Swansea, IL, 62226. Phone: (618) 277-1130. Providers update this record themselves, so call before visiting.
How can I verify Homer Ashton Ferguson, M.D.'s license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Homer Ashton Ferguson, M.D. prescribe under Medicare Part D?
In 2024, Homer Ashton Ferguson, M.D. had 260 Medicare Part D claims for 56 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.