Michael Sebastian Spencer, O.D.
Optometrist · Benton, IL
Michael Sebastian Spencer, O.D. is an optometrist with a practice address in Benton, Illinois, and NPI 1245688308, issued on May 31, 2016. Check the license (Illinois 046010980, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Sebastian Spencer
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046010980 IL
Self-reported in NPPES; status is on the state search - Practice location
- 711 N Main St, Benton, IL 62812
- Phone
- (618) 439-7256
- Enumerated
- May 31, 2016
- Record last updated
- May 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160608001855); accepts Medicare assignment
- Medical or professional school
- University Of Missouri St Louis - School Of Optometry, 2016
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 711 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Spencer, O.D.Optometrist1750398467
Verify Michael Sebastian Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046010980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average optometrist in 2024
939 Medicare Part D claims for 168 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost513 claims
- Timolol Maleate130 claims
- Brimonidine Tartrate67 claims
- Dorzolamide Hcl32 claims
- Restasis26 claims
- Dorzolamide-Timolol23 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.
Bills Medicare through one group practice
- Spencer Family Eye Care LLCMc Leansboro, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Sebastian Spencer among 2,697 optometrist records in Illinois
Michael Sebastian Spencer, O.D. is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2008 among the 1,513 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 optometrist records list a practice address in Benton
They are 2 of the 114 NPPES records with a practice address in Benton, and 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Benton → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- David Spencer, O.D.Benton, IL 628121750398467
- Lars Gentry, ODCarmi, IL 628211629068259
- Clint Taylor, ODCarmi, IL 628211811931769
- Donna Johnson, ODCentralia, IL 628011174565378
- Robin Johnson, ODCentralia, IL 628011558302240
- Amy Ritzheimer, O.D.Centralia, IL 628011295167732
- Kathleen Rivera - Kunz, O.D.Centralia, IL 628011235134982
- Daniel Wolf, O.D.Centralia, IL 628011225033970
Common questions
What is Michael Sebastian Spencer, O.D.'s NPI number?
Michael Sebastian Spencer, O.D.'s National Provider Identifier (NPI) is 1245688308, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Michael Sebastian Spencer, O.D. located?
The NPPES record lists a practice address at 711 N Main St, Benton, IL, 62812. Phone: (618) 439-7256. Providers update this record themselves, so call before visiting.
How can I verify Michael Sebastian Spencer, O.D.'s license?
NPPES lists Illinois license number 046010980, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Sebastian Spencer, O.D. prescribe under Medicare Part D?
In 2024, Michael Sebastian Spencer, O.D. had 939 Medicare Part D claims for 168 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.