Catherine Sajn, OD
NPI 1679706311 · Optometrist · New Lenox, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Sajn, OD is a Optometrist provider in New Lenox, IL (NPI 1679706311).
Provider details
- NPI number
- 1679706311
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 046010244 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,383 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 381 | $128 |
| Imaging of Optic Nerve92133 | 157 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $131 |
| Microfluid Analysis of Tears83861 | 146 | $22 |
| Imaging of Retina92134 | 137 | $41 |
| Exam of Visual Field With Extended Testing92083 | 128 | $65 |
| Photography of the Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 108 | 26 |
| Cyclosporinebrand: Restasis | 32 | 12 |
| Cyclosporine | 32 | — |
| Timolol Maleate | 29 | — |
| Loteprednol Etabonate | 20 | 18 |
| Perfluorohexyloctane/Pfbrand: Miebo | 17 | — |
| Fluorometholone | 15 | — |
| Brimonidine Tartrate | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$190 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 15900 W 127th St Ste 200Lemont, IL 60439-2912Phone: (815) 485-2727Fax: (815) 485-3034
Registry dates
- Enumerated
- 2009-08-28
- Last updated
- 2023-07-31
- Certified
- 2023-07-31
Frequently asked questions
- What is Catherine Sajn's NPI number?
- Catherine Sajn's National Provider Identifier (NPI) is 1679706311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Sajn's specialty?
- Catherine Sajn is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Catherine Sajn located?
- Catherine Sajn's practice location on file with NPPES is 1870 Silver Cross Blvd Ste 110, New Lenox, IL 60451-8640.
- What is Catherine Sajn's phone number?
- The practice phone number listed in the NPPES registry for Catherine Sajn is (815) 485-2727.
- Does Catherine Sajn accept Medicare?
- Catherine Sajn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Sajn's NPI active?
- Yes — Catherine Sajn's NPI (1679706311) is active in the NPPES registry as of the last update on 2023-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.