Doctor profile · Federal record

Dr. Justin Groennert, O.D.

Optometrist (CMS: Optometry) · Lebanon, IL

  • NPI 1083230585
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 W Saint Louis St
Lebanon, IL 622541515
(618) 537-6356

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046.011438

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083230585. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,043
Distinct HCPCS
10
Medicare allowed
$43,226
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 4,591 37 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 157 137 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 54 52 $123
92134 Imaging of retina 38 33 $39
92014 Established patient complete exam of visual system 36 36 $117
99212 Established patient office or other outpatient visit, 10-19 minutes 33 26 $55
92012 Established patient problem focused exam of visual system 31 28 $86
92083 Exam of visual field with extended testing 27 21 $59
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $112
92133 Imaging of optic nerve 24 19 $33

In context: peer comparison

Among 2 peers in this city , average services per provider: 465. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$222
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 5 $143.86
Johnson & Johnson Vision Care, Inc. 4 $60.94
Alcon Vision LLC 1 $17.06

By nature of payment

Food and Beverage
$222

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
92
Patients
30
Total drug cost
$5,705
Drug Type Claims Patients Total cost
Latanoprost Generic 60 17 $1,450
Combigan (Brimonidine Tartrate/Timolol) Brand 16 0 $3,756
Prednisolone Acetate Generic 16 13 $499

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Groennert's medical specialty?
Dr. Justin Groennert practices Optometrist in Lebanon, IL.
Where does Dr. Justin Groennert practice?
Dr. Justin Groennert practices at 201 W Saint Louis St, Lebanon, IL 622541515. Office phone: 6185376356.
What is Dr. Justin Groennert's NPI?
Dr. Justin Groennert's National Provider Identifier (NPI) is 1083230585, issued by NPPES.
Does Dr. Justin Groennert accept Medicare assignment?
Yes. Dr. Justin Groennert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Groennert commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.