Katarzyna Rojek
NPI 1831688316 · Internal Medicine Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katarzyna Rojek is a Internal Medicine Physician provider in Maywood, IL (NPI 1831688316).
Provider details
- NPI number
- 1831688316
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036156586 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
208 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 109 | $100 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 50 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 36 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $68 |
Typical Medicare-allowed amounts for these services range $17–$133 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 175 | 71 |
| Amlodipine Besylate | 119 | 44 |
| Lisinopril | 119 | 40 |
| Losartan Potassium | 71 | 31 |
| Rosuvastatin Calcium | 68 | 19 |
| Levothyroxine Sodium | 66 | 26 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-09
- Last updated
- 2022-05-27
- Certified
- 2022-05-27
Frequently asked questions
- What is Katarzyna Rojek's NPI number?
- Katarzyna Rojek's National Provider Identifier (NPI) is 1831688316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katarzyna Rojek's specialty?
- Katarzyna Rojek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katarzyna Rojek located?
- Katarzyna Rojek's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is Katarzyna Rojek's phone number?
- The practice phone number listed in the NPPES registry for Katarzyna Rojek is (708) 354-9250.
- Does Katarzyna Rojek accept Medicare?
- Katarzyna Rojek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katarzyna Rojek's NPI active?
- Yes — Katarzyna Rojek's NPI (1831688316) is active in the NPPES registry as of the last update on 2022-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.