Doctor profile · Federal record

Dr. Catherine Sajn, OD

Optometrist (CMS: Optometry) · New Lenox, IL

  • NPI 1679706311
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1870 Silver Cross Blvd Ste 110
New Lenox, IL 604518640
(815) 485-2727
fax (815) 485-3034
Additional location
15900 W 127Th St Ste 200
Lemont, IL 604392912

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
July 31, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046010244

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679706311. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,521
Distinct HCPCS
10
Medicare allowed
$114,590
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 412 409 $130
83861 Microfluid analysis of tears 232 102 $22
92250 Photography of the retina 156 153 $37
92083 Exam of visual field with extended testing 154 146 $64
92133 Imaging of optic nerve 148 144 $35
92134 Imaging of retina 135 119 $42
99213 Established patient office or other outpatient visit, 20-29 minutes 116 100 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 111 85 $131
92004 New patient complete exam of visual system 23 23 $139
99212 Established patient office or other outpatient visit, 10-19 minutes 19 17 $59

In context: peer comparison

Among 2 peers in New Lenox Optometrist, average services per provider: 134. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$190
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $71.83
Tarsus Pharmaceuticals, INC. 1 $30.30
RxSight INC 1 $25.19
Bausch & Lomb Americas INC. 1 $24.39
Glaukos Corporation 1 $23.36
Alcon Vision LLC 1 $14.83

By nature of payment

Food and Beverage
$190

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
196
Patients
44
Total drug cost
$56,642
Drug Type Claims Patients Total cost
Latanoprost Generic 81 22 $1,387
Cyclosporine Generic 34 0 $17,265
Restasis (Cyclosporine) Brand 25 11 $30,951
Fluorometholone Generic 19 0 $1,278
Loteprednol Etabonate Generic 13 11 $1,585
Lumigan (Bimatoprost) Brand 13 0 $4,018
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 11 0 $159

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Sajn's medical specialty?
Dr. Catherine Sajn practices Optometrist in New Lenox, IL.
Where does Dr. Catherine Sajn practice?
Dr. Catherine Sajn practices at 1870 Silver Cross Blvd Ste 110, New Lenox, IL 604518640. Office phone: 8154852727.
What is Dr. Catherine Sajn's NPI?
Dr. Catherine Sajn's National Provider Identifier (NPI) is 1679706311, issued by NPPES.
Does Dr. Catherine Sajn accept Medicare assignment?
Yes. Dr. Catherine Sajn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Sajn commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Microfluid analysis of tears (HCPCS 83861); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.