Katarzyna Slys, PA-C
- Part D claims, 2024
- 676
- Industry payments
- $363
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1112 S Washington St, Naperville, IL 60540
- Practice phone
- Call (630) 848-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prizm Behavioral Services
Naperville, Illinois
Find Katarzyna Slys' 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.
Katarzyna Slys is a physician assistant in Naperville, Illinois
Katarzyna Slys practices at Prizm Behavioral Services in Naperville, Illinois.
Katarzyna Slys' NPI, 1336757459, was assigned on July 14, 2020. Katarzyna Slys holds Illinois license 085.007231.
- NPI
- 1336757459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123595626
- NPI enumeration date
- July 14, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 848-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katarzyna Slys practices at Prizm Behavioral Services in Naperville, Illinois
Katarzyna Slys' primary practice is Prizm Behavioral Services, at 1112 S Washington St, Naperville, IL 60540 in Dupage County. The practice phone is (630) 848-1200.
- Prizm Behavioral Services1112 S Washington St, Naperville, IL 60540 · Dupage CountyPhone(630) 848-1200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katarzyna Slys is affiliated with 2 sites of care and 1 medical group
Katarzyna Slys' primary practice is Prizm Behavioral Services in Naperville, Illinois. The medical group on file is Prizm Behavioral Services. Dmand AI also links Katarzyna Slys to 1 more group practice or clinic, 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 Katarzyna Slys' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katarzyna Slys practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prizm Behavioral Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Katarzyna Slys is one of 4,299 physician assistants in Illinois
Physician assistant is Katarzyna Slys' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katarzyna Slys is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Katarzyna Slys
Counts of physician assistants 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
Katarzyna Slys' patients have a median age of 26
Across all payers, Dmand AI patient panel data puts Katarzyna Slys' median patient age at 26, with 64% women.
Katarzyna Slys' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 26
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Katarzyna Slys wrote 676 Medicare Part D claims in 2024
In 2024, Katarzyna Slys wrote 676 Medicare Part D claims for 44 patients. 97% of them were for generic drugs.
Katarzyna Slys' Part D claims by kind of drug, 2024
- Generic655 claims97%
- Brand-name21 claims3%
Drug classes CMS tracks in Katarzyna Slys' Part D claims, 2024
- Antipsychotics, patients 65 and over7%45 of 676 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Katarzyna Slys takes part in Medicare
Katarzyna Slys 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Katarzyna Slys received $363 in industry payments in 2025
CMS Open Payments shows 18 general payments to Katarzyna Slys from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tris Pharma Inc paid the most, $69.
Companies that paid Katarzyna Slys the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katarzyna Slys'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 Data |
| 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) |
| 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 Katarzyna Slys
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katarzyna Slys' NPI number?
Katarzyna Slys' NPI number is 1336757459. It was assigned on July 14, 2020, and it is active in the NPI Registry.
What does Katarzyna Slys specialize in?
Katarzyna Slys is a physician assistant in Naperville, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katarzyna Slys practice?
Katarzyna Slys practices at 1112 S Washington St, Naperville, IL 60540. Katarzyna Slys' primary practice is Prizm Behavioral Services in Naperville, Illinois. Dmand AI also links Katarzyna Slys to 1 group practice or clinic.
What is Katarzyna Slys' office phone number?
The practice phone on file for Katarzyna Slys is (630) 848-1200.
What is Katarzyna Slys' medical license number?
Katarzyna Slys holds Illinois license 085.007231.
What medical group is Katarzyna Slys part of?
Katarzyna Slys is linked to Prizm Behavioral Services.
Does Katarzyna Slys accept Medicare?
Yes. CMS lists Katarzyna Slys as accepting Medicare assignment.
Has Katarzyna Slys received payments from drug or device companies?
CMS Open Payments shows $363 in general payments to Katarzyna Slys from 11 companies from 2025 to 2025. The largest total came from Tris Pharma Inc.
How long has Katarzyna Slys been practicing?
Katarzyna Slys graduated from medical school in 2019, 7 years ago.
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