Doctor profile · Federal record

Dr. Joseph Subak, O.D.

Optometrist (CMS: Optometry) · Bolingbrook, IL

  • NPI 1285614651
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
480 W Boughton RD
Bolingbrook, IL 604401822
(630) 759-6506
fax (630) 759-6651

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
November 30, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
152W00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285614651. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
348
Distinct HCPCS
4
Medicare allowed
$35,659
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 210 208 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 71 55 $94
92133 Imaging of optic nerve 36 32 $35
92083 Exam of visual field with extended testing 31 29 $65

In context: peer comparison

Among 4 peers in Bolingbrook Optometrist, average services per provider: 49. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 1 $18.04

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
144
Patients
25
Total drug cost
$2,181
Drug Type Claims Patients Total cost
Latanoprost Generic 132 25 $2,039
Timolol Maleate Generic 12 0 $143

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Subak's medical specialty?
Dr. Joseph Subak practices Optometrist in Bolingbrook, IL.
Where does Dr. Joseph Subak practice?
Dr. Joseph Subak practices at 480 W Boughton RD, Bolingbrook, IL 604401822. Office phone: 6307596506.
What is Dr. Joseph Subak's NPI?
Dr. Joseph Subak's National Provider Identifier (NPI) is 1285614651, issued by NPPES.
Does Dr. Joseph Subak accept Medicare assignment?
Yes. Dr. Joseph Subak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Subak commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.