Katarzyna Maria Witowski, FNP
- Part D claims, 2024
- 713
- Industry payments
- $37
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 18200 S. Lagrange Rd, Tinley Park, IL 60487
- Practice phone
- Call (708) 570-2490
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)
Surgery Center - Not Medicare-Certified · Tinley Park, Illinois
Find Katarzyna Witowski'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.
Katarzyna Maria Witowski is a family nurse practitioner in Tinley Park, Illinois
Katarzyna Witowski practices at Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois.
Katarzyna Witowski's NPI, 1184103194, was assigned on August 9, 2018. Katarzyna Witowski holds Illinois license 209017714.
- NPI
- 1184103194NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385994425
- NPI enumeration date
- August 9, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 570-2490
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katarzyna Maria Witowski practices at 2 locations in Tinley Park, Illinois
Katarzyna Witowski's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd), at 18200 S. Lagrange Rd, Tinley Park, IL 60487. The practice phone is (708) 570-2490. Katarzyna Witowski also practices at Tinley Woods Surgery Center, 18210 La Grange Rd, Tinley Park, IL 60487.
- Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)Primary18200 S. Lagrange Rd, Tinley Park, IL 60487Phone(708) 570-2490
- Tinley Woods Surgery Center18210 La Grange Rd, Tinley Park, IL 60487 · Cook CountyPhone(708) 570-2490
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Katarzyna Maria Witowski is affiliated with 2 sites of care and 2 medical groups
Katarzyna Witowski's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. The medical group on file is Chestnut Health. Dmand AI also links Katarzyna Witowski to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katarzyna Maria Witowski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katarzyna Witowski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) | 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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Katarzyna Maria Witowski is one of 7,275 family nurse practitioners in Illinois
Family is Katarzyna Witowski's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Katarzyna Witowski is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Katarzyna Witowski
Counts of family nurse practitioners 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 Maria Witowski's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Katarzyna Witowski's median patient age at 72, with 62% women.
Katarzyna Witowski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Katarzyna Maria Witowski wrote 713 Medicare Part D claims in 2024
In 2024, Katarzyna Witowski wrote 713 Medicare Part D claims for 187 patients. 89% of them were for generic drugs.
Katarzyna Witowski's Part D claims by kind of drug, 2024
- Generic636 claims89%
- Brand-name and other77 claims11%
Drug classes CMS tracks in Katarzyna Witowski's Part D claims, 2024
- Antibiotics11%76 of 713 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 Maria Witowski takes part in Medicare
Katarzyna Witowski 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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Katarzyna Maria Witowski received $37 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katarzyna Witowski from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $37.
Companies that paid Katarzyna Witowski 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 Maria Witowski'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Maria Witowski
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 Maria Witowski's NPI number?
Katarzyna Maria Witowski's NPI number is 1184103194. It was assigned on August 9, 2018, and it is active in the NPI Registry.
What does Katarzyna Maria Witowski specialize in?
Katarzyna Maria Witowski is a family nurse practitioner in Tinley Park, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Katarzyna Maria Witowski practice?
Katarzyna Witowski practices at 18200 S. Lagrange Rd, Tinley Park, IL 60487. Katarzyna Witowski also practices at 18210 La Grange Rd, Tinley Park, IL 60487. Katarzyna Witowski's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. Dmand AI also links Katarzyna Witowski to 1 group practice or clinic and 1 medical group.
What is Katarzyna Maria Witowski's office phone number?
The practice phone on file for Katarzyna Witowski is (708) 570-2490.
What is Katarzyna Maria Witowski's medical license number?
Katarzyna Witowski holds Illinois license 209017714.
What medical group is Katarzyna Maria Witowski part of?
Katarzyna Witowski is linked to Chestnut Health. Dmand AI links Katarzyna Witowski to 1 more medical group.
Does Katarzyna Maria Witowski accept Medicare?
Yes. CMS lists Katarzyna Witowski as accepting Medicare assignment.
Has Katarzyna Maria Witowski received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Katarzyna Witowski from 1 company from 2025 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Katarzyna Maria Witowski been practicing?
Katarzyna Witowski graduated from medical school in 2017, 9 years ago.
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