Doctor profile · Federal record

Dr. Toshio Nakajima, O.D.

Optometrist (CMS: Optometry) · Optometrist · Elgin, IL

  • NPI 1609924745
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 S Randall RD
Elgin, IL 60123
(847) 888-1555
fax (847) 888-2508

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
June 18, 2018
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
Illinois #046-008123 · Illinois #046008123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609924745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
5
Medicare allowed
$12,184
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 59 49 $38
92014 Established patient complete exam of visual system 52 48 $131
92083 Exam of visual field with extended testing 23 15 $65
99212 Established patient office or other outpatient visit, 10-19 minutes 18 13 $59
92134 Imaging of retina 14 14 $41

In context: peer comparison

Among 7 peers in this city , average services per provider: 193. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
17
Total drug cost
$1,192
Drug Type Claims Patients Total cost
Latanoprost Generic 49 17 $1,192

Frequently asked questions

Auto-generated from federal data
What is Dr. Toshio Nakajima's medical specialty?
Dr. Toshio Nakajima practices Optometrist in Elgin, IL.
Where does Dr. Toshio Nakajima practice?
Dr. Toshio Nakajima practices at 165 S Randall RD, Elgin, IL 60123. Office phone: 8478881555.
What is Dr. Toshio Nakajima's NPI?
Dr. Toshio Nakajima's National Provider Identifier (NPI) is 1609924745, issued by NPPES.
Does Dr. Toshio Nakajima accept Medicare assignment?
Yes. Dr. Toshio Nakajima accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Toshio Nakajima commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.