Terry G. Cook, OD
Optometrist · Mount Vernon, IL
Terry G. Cook, OD is an optometrist with a practice address in Mount Vernon, Illinois, and NPI 1538278445, issued on Aug 30, 2006. Check the license (Illinois 046006315, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Terry G. Cook
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046006315 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4200 Ilberry RD, Mount Vernon, IL 62864
- Phone
- (618) 242-6338
- Enumerated
- Aug 30, 2006
- Record last updated
- Aug 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (618) 242-0465
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 4200 Ilberry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Skibo, O.D.Optometrist1124225180
Verify Terry G. Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046006315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Terry G. Cook among 2,697 optometrist records in Illinois
Terry G. Cook, OD 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 not. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileNo · 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).
6 optometrist records list a practice address in Mount Vernon
They are 6 of the 578 NPPES records with a practice address in Mount Vernon, and 2,697 optometrist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,697 in Illinois → Every provider in Mount Vernon → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jennifer Bass, ODMt Vernon, IL 628641922009950
- Olivia BoehnkeMount Vernon, IL 628641174179584
- Dennis Els, ODMount Vernon, IL 628641275507725
- Erin Hocking Ayers, O.D.Mount Vernon, IL 628641063709731
- Mark Hurst, OPTOMETRIST, LTD.Mt Vernon, IL 628641912979311
- Edward Perry, O.D.Mount Vernon, IL 628641477553956
- Emily Skibo, O.D.Mount Vernon, IL 628641124225180
- Timothy Brown, ODMount Carmel, IL 628631093884900
Common questions
What is Terry G. Cook, OD's NPI number?
Terry G. Cook, OD's National Provider Identifier (NPI) is 1538278445, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terry G. Cook, OD located?
The NPPES record lists a practice address at 4200 Ilberry RD, Mount Vernon, IL, 62864. Phone: (618) 242-6338. Providers update this record themselves, so call before visiting.
How can I verify Terry G. Cook, OD's license?
NPPES lists Illinois license number 046006315, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.