Toshio Nakajima, O.D.
Optometrist · Elgin, IL
Toshio Nakajima, O.D. is an optometrist with a practice address in Elgin, Illinois, and NPI 1609924745, issued on Jan 8, 2007. Check the license (Illinois 046-008123, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Toshio Nakajima
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 046-008123 IL
046008123 IL
Self-reported in NPPES; status is on the state search - Practice location
- 165 S Randall RD, Elgin, IL 60123
- Phone
- (847) 888-1555
- Enumerated
- Jan 8, 2007
- Record last updated
- Jun 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (847) 888-2508
- Medicare enrollment
- Enrolled (PECOS I20101015001287); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1987
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Verify Toshio Nakajima in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046-008123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average optometrist in 2024
74 Medicare Part D claims for 20 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost31 claims
- Lumigan11 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
- Christina J. Levi O D P C.Elgin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Toshio Nakajima among 2,697 optometrist records in Illinois
Toshio Nakajima, 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 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 48% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1987 · median 2008 among the 1,513 with a school on file
- Record last updated2018 · 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).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Elgin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael Kennedy, O.D.Elgin, IL 601231417111790
- Caryn Labuda, ODElgin, IL 601231306288022
- Ellen Petroczky, O.D.Elgin, IL 601231992996383
- Kristie Rathmann, ODElgin, IL 601231730264540
- Jay PatelElgin, IL 601241467947770
- Yasham Alam, O.D.Elgin, IL 601201477986826
- Mary Burgos, O.D.Elmhurst, IL 601261982991980
- Florianne Burns, ODElmhurst, IL 601261447433057
Common questions
What is Toshio Nakajima, O.D.'s NPI number?
Toshio Nakajima, O.D.'s National Provider Identifier (NPI) is 1609924745, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Toshio Nakajima, O.D. located?
The NPPES record lists a practice address at 165 S Randall RD, Elgin, IL, 60123. Phone: (847) 888-1555. Providers update this record themselves, so call before visiting.
How can I verify Toshio Nakajima, O.D.'s license?
NPPES lists Illinois license number 046-008123, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Toshio Nakajima, O.D. prescribe under Medicare Part D?
In 2024, Toshio Nakajima, O.D. had 74 Medicare Part D claims for 20 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.