Stephanie A. Koss, OD
- Medicare patients, 2024
- 138
- Part D claims, 2024
- 66
- Industry payments
- $664
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 7601 University Ave, Middleton, WI 53562
- Practice phone
- Call (608) 831-3366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Isthmus Eye Care SC
Middleton, Wisconsin
Find Stephanie Koss' 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.
Stephanie A. Koss is an optometrist in Middleton, Wisconsin
Stephanie Koss practices at Isthmus Eye Care SC in Middleton, Wisconsin.
Stephanie Koss' NPI, 1528702438, was assigned on April 26, 2022. Stephanie Koss graduated from Illinois College of Optometry at Chicago in 2022. Stephanie Koss holds Wisconsin license 3880-35.
- NPI
- 1528702438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052793015
- NPI enumeration date
- April 26, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 831-3366
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephanie A. Koss practices at Isthmus Eye Care SC in Middleton, Wisconsin
Stephanie Koss' primary practice is Isthmus Eye Care SC, at 7601 University Ave, Middleton, WI 53562 in Dane County. The practice phone is (608) 831-3366.
- Isthmus Eye Care SC7601 University Ave, Middleton, WI 53562 · Dane CountyPhone(608) 831-3366
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephanie A. Koss is affiliated with 2 sites of care and 1 medical group
Stephanie Koss' primary practice is Isthmus Eye Care SC in Middleton, Wisconsin. Dmand AI also links Stephanie Koss to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephanie A. Koss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephanie Koss practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Isthmus Eye Care SC | 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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Stephanie A. Koss is one of 946 optometrists in Wisconsin
Optometrist is Stephanie Koss' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Stephanie Koss is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near Stephanie Koss
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
Stephanie A. Koss treated 138 Medicare patients in 2024, average age 74
CMS counts 138 Medicare patients who saw Stephanie Koss in 2024. The largest group is 65 to 74, with 74 patients. 62% of them have high cholesterol, and 55% have high blood pressure. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephanie Koss' median patient age at 58, with 62% women.
Stephanie Koss' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stephanie Koss' Medicare patients by sex, 2024
- Women8562%
- Men5338%
Chronic conditions among Stephanie Koss' Medicare patients, 2024
- High cholesterol62%
- High blood pressure55%
- Arthritis25%
- Anxiety17%
- Ischemic heart disease17%
- Osteoporosis16%
- Mood disorders15%
- Depression14%
Share of Medicare patients with each condition. A patient can have several.
Stephanie Koss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephanie A. Koss wrote 66 Medicare Part D claims in 2024
In 2024, Stephanie Koss wrote 66 Medicare Part D claims for 27 patients. 65% of them were for generic drugs.
Stephanie Koss' Part D claims by kind of drug, 2024
- Generic43 claims65%
- Brand-name23 claims35%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Stephanie A. Koss ranks in the 48th percentile for cataract surgery in Medicare
Stephanie Koss accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Stephanie Koss, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Stephanie Koss ranks in Medicare procedure volume
- Cataract surgery
- 48th percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Stephanie A. Koss received $664 in industry payments in 2025
CMS Open Payments shows 5 general payments to Stephanie Koss from 3 drug and device companies in 2025. Travel and lodging make up the largest share, 88% of the total. Alcon Laboratories Inc paid the most, $624.
General payments to Stephanie Koss by kind, 2025 to 2025
- Travel and lodging$58688%
- Food and beverage$7812%
Companies that paid Stephanie Koss the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephanie A. Koss graduated from Illinois College of Optometry at Chicago
Stephanie Koss graduated from Illinois College of Optometry at Chicago in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephanie A. Koss'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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 Stephanie A. Koss
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephanie A. Koss' NPI number?
Stephanie A. Koss' NPI number is 1528702438. It was assigned on April 26, 2022, and it is active in the NPI Registry.
What does Stephanie A. Koss specialize in?
Stephanie A. Koss is an optometrist in Middleton, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Stephanie A. Koss practice?
Stephanie Koss practices at 7601 University Ave, Middleton, WI 53562. Stephanie Koss' primary practice is Isthmus Eye Care SC in Middleton, Wisconsin. Dmand AI also links Stephanie Koss to 1 group practice or clinic and 1 medical group.
What is Stephanie A. Koss' office phone number?
The practice phone on file for Stephanie Koss is (608) 831-3366.
What is Stephanie A. Koss' medical license number?
Stephanie Koss holds Wisconsin license 3880-35.
Does Stephanie A. Koss accept Medicare?
Yes. CMS lists Stephanie Koss as accepting Medicare assignment.
How many Medicare patients does Stephanie A. Koss see?
CMS counts 138 Medicare patients who saw Stephanie Koss in 2024, with an average age of 74.
Where did Stephanie A. Koss go to medical school?
Stephanie Koss graduated from Illinois College of Optometry at Chicago in 2022.
Has Stephanie A. Koss received payments from drug or device companies?
CMS Open Payments shows $664 in general payments to Stephanie Koss from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Stephanie A. Koss been practicing?
Stephanie Koss graduated from medical school in 2022, 4 years ago.
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