Stephan George Kossis, OD
- Medicare patients, 2024
- 76
- Part D claims, 2024
- 70
- Industry payments
- $266
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 1229 165th St, Hammond, IN 46320
- Practice phone
- Call (219) 931-8733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vision Quest Eye Clinics
Hammond, Indiana
Find Stephan Kossis' 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.
Stephan George Kossis is an optometrist in Hammond, Indiana
Stephan Kossis practices at Vision Quest Eye Clinics in Hammond, Indiana.
Stephan Kossis' NPI, 1962859512, was assigned on May 24, 2016. Stephan Kossis graduated from Indiana University - School of Optometry in 2015. Stephan Kossis holds Indiana license 18003955B.
- NPI
- 1962859512NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739470063
- NPI enumeration date
- May 24, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 931-8733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephan George Kossis practices at Vision Quest Eye Clinics in Hammond, Indiana
Stephan Kossis' primary practice is Vision Quest Eye Clinics, at 1229 165th St, Hammond, IN 46320 in Lake County. The practice phone is (219) 931-8733.
- Vision Quest Eye Clinics1229 165th St, Hammond, IN 46320 · Lake CountyPhone(219) 931-8733
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephan George Kossis is affiliated with 4 sites of care and 3 medical groups
Stephan Kossis' primary practice is Vision Quest Eye Clinics in Hammond, Indiana. Dmand AI also links Stephan Kossis to 3 group practices and clinics and 3 medical groups, 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 Stephan George Kossis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephan Kossis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vision Quest Eye Clinics | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephan George Kossis is one of 1,172 optometrists in Indiana
Optometrist is Stephan Kossis' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Stephan Kossis is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near Stephan Kossis
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
Stephan George Kossis treated 76 Medicare patients in 2024, average age 71
CMS counts 76 Medicare patients who saw Stephan Kossis in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stephan Kossis' median patient age at 69, with 60% women.
Stephan Kossis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stephan Kossis' Medicare patients by sex, 2024
- Women4863%
- Men2837%
Chronic conditions among Stephan Kossis' Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis34%
- Diabetes30%
- Ischemic heart disease29%
- Cancer17%
- Anxiety16%
- COPD16%
Share of Medicare patients with each condition. A patient can have several.
Stephan Kossis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stephan George Kossis wrote 70 Medicare Part D claims in 2024
In 2024, Stephan Kossis wrote 70 Medicare Part D claims for 26 patients. 74% of them were for generic drugs.
Stephan Kossis' Part D claims by kind of drug, 2024
- Generic52 claims74%
- Brand-name18 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Stephan George Kossis takes part in Medicare
Stephan Kossis 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)
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Stephan George Kossis received $266 in industry payments in 2025
CMS Open Payments shows 5 general payments to Stephan Kossis from 3 drug and device companies in 2025. Food and beverage make up the largest share, 95% of the total. Alcon Laboratories Inc paid the most, $168.
General payments to Stephan Kossis by kind, 2025 to 2025
- Food and beverage$25395%
- Entertainment$135%
Companies that paid Stephan Kossis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephan George Kossis graduated from Indiana University - School of Optometry
Stephan Kossis graduated from Indiana University - School of Optometry in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephan George Kossis'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) |
| 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 Stephan George Kossis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephan George Kossis' NPI number?
Stephan George Kossis' NPI number is 1962859512. It was assigned on May 24, 2016, and it is active in the NPI Registry.
What does Stephan George Kossis specialize in?
Stephan George Kossis is an optometrist in Hammond, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Stephan George Kossis practice?
Stephan Kossis practices at 1229 165th St, Hammond, IN 46320. Stephan Kossis' primary practice is Vision Quest Eye Clinics in Hammond, Indiana. Dmand AI also links Stephan Kossis to 3 group practices and clinics and 3 medical groups.
What is Stephan George Kossis' office phone number?
The practice phone on file for Stephan Kossis is (219) 931-8733.
What is Stephan George Kossis' medical license number?
Stephan Kossis holds Indiana license 18003955B.
Does Stephan George Kossis accept Medicare?
Yes. CMS lists Stephan Kossis as accepting Medicare assignment.
How many Medicare patients does Stephan George Kossis see?
CMS counts 76 Medicare patients who saw Stephan Kossis in 2024, with an average age of 71.
Where did Stephan George Kossis go to medical school?
Stephan Kossis graduated from Indiana University - School of Optometry in 2015.
Has Stephan George Kossis received payments from drug or device companies?
CMS Open Payments shows $266 in general payments to Stephan Kossis from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Stephan George Kossis been practicing?
Stephan Kossis graduated from medical school in 2015, 11 years ago.
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