David Keith Spencer, O.D.
Optometrist · Benton, IL
David Keith Spencer, O.D. is an optometrist with a practice address in Benton, Illinois, and NPI 1750398467, issued on Aug 2, 2006. Check the license (Illinois 046007635, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Keith Spencer
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046007635 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
- Aug 2, 2006
- Record last updated
- Apr 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (618) 439-7257
- Medicaid ID
- 046007635 IL
- 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.
- Michael Spencer, O.D.Optometrist1245688308
Verify David Keith 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 046007635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average optometrist in 2024
23 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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.
David Keith Spencer among 2,697 optometrist records in Illinois
David Keith 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2008 · 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
- Michael Spencer, O.D.Benton, IL 628121245688308
- 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 David Keith Spencer, O.D.'s NPI number?
David Keith Spencer, O.D.'s National Provider Identifier (NPI) is 1750398467, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Keith 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 David Keith Spencer, O.D.'s license?
NPPES lists Illinois license number 046007635, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does David Keith Spencer, O.D. prescribe under Medicare Part D?
In 2024, David Keith Spencer, O.D. had 23 Medicare Part D claims; 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.