Catherine C. Sajn, OD
- Medicare patients, 2024
- 529
- Part D claims, 2024
- 378
- Industry payments
- $184
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 1870 Silver Cross Blvd, New Lenox, IL 60451
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Eye Care Sc - HOPD
Acute Care Hospital outpatient department · New Lenox, Illinois
Find Catherine Sajn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Catherine C. Sajn is an optometrist in New Lenox, Illinois
Catherine Sajn practices at Advanced Eye Care Sc - HOPD in New Lenox, Illinois.
Catherine Sajn's NPI, 1679706311, was assigned on August 28, 2009. Catherine Sajn graduated from Illinois College of Optometry at Chicago in 2009. Catherine Sajn holds Illinois license 046010244.
- NPI
- 1679706311NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204975865
- NPI enumeration date
- August 28, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine C. Sajn practices at Advanced Eye Care Sc - HOPD in New Lenox, Illinois
Catherine Sajn's primary practice is Advanced Eye Care Sc - HOPD, at 1870 Silver Cross Blvd, New Lenox, IL 60451.
- Advanced Eye Care Sc - HOPD1870 Silver Cross Blvd, New Lenox, IL 60451
Source: Dmand AI Affiliation Data
Catherine C. Sajn is affiliated with 2 sites of care and 1 medical group
Catherine Sajn's primary practice is Advanced Eye Care Sc - HOPD in New Lenox, Illinois. Dmand AI also links Catherine Sajn to 1 group practice or clinic and 1 medical group, each named with a free account. Catherine Sajn's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Catherine C. Sajn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Sajn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advanced Eye Care Sc - HOPD | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine C. Sajn is one of 2,194 optometrists in Illinois
Optometrist is Catherine Sajn's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Catherine Sajn is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Catherine Sajn
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Catherine C. Sajn treated 529 Medicare patients in 2024, average age 76
CMS counts 529 Medicare patients who saw Catherine Sajn in 2024. The largest group is 65 to 74, with 237 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Catherine Sajn's median patient age at 68, with 59% women.
Catherine Sajn's Medicare patients by age, 2024
Catherine Sajn's Medicare patients by sex, 2024
- Women34265%
- Men18735%
Chronic conditions among Catherine Sajn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease30%
- Diabetes27%
- Chronic kidney disease22%
- Anxiety21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Catherine Sajn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Catherine C. Sajn wrote 378 Medicare Part D claims in 2024
In 2024, Catherine Sajn wrote 378 Medicare Part D claims for 115 patients. 47% of them were for generic drugs.
Catherine Sajn's Part D claims by kind of drug, 2024
- Generic176 claims47%
- Brand-name202 claims53%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Catherine C. Sajn takes part in Medicare
Catherine Sajn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Catherine C. Sajn received $184 in industry payments in 2025
CMS Open Payments shows 7 general payments to Catherine Sajn from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $80.
Companies that paid Catherine Sajn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Catherine C. Sajn graduated from Illinois College of Optometry at Chicago
Catherine Sajn graduated from Illinois College of Optometry at Chicago in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Catherine C. Sajn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Catherine C. Sajn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine C. Sajn's NPI number?
Catherine C. Sajn's NPI number is 1679706311. It was assigned on August 28, 2009, and it is active in the NPI Registry.
What does Catherine C. Sajn specialize in?
Catherine C. Sajn is an optometrist in New Lenox, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Catherine C. Sajn practice?
Catherine Sajn practices at 1870 Silver Cross Blvd, New Lenox, IL 60451. Catherine Sajn's primary practice is Advanced Eye Care Sc - HOPD in New Lenox, Illinois. Dmand AI also links Catherine Sajn to 1 group practice or clinic and 1 medical group.
What is Catherine C. Sajn's medical license number?
Catherine Sajn holds Illinois license 046010244.
Does Catherine C. Sajn accept Medicare?
Yes. CMS lists Catherine Sajn as accepting Medicare assignment.
How many Medicare patients does Catherine C. Sajn see?
CMS counts 529 Medicare patients who saw Catherine Sajn in 2024, with an average age of 76.
Where did Catherine C. Sajn go to medical school?
Catherine Sajn graduated from Illinois College of Optometry at Chicago in 2009.
Has Catherine C. Sajn received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Catherine Sajn from 4 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Catherine C. Sajn been practicing?
Catherine Sajn graduated from medical school in 2009, 17 years ago.
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