Katarzyna Volmir
NPI 1891289872 · Hospitalist Physician · Clarendon Hills, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katarzyna Volmir is a Hospitalist Physician provider in Clarendon Hills, IL (NPI 1891289872).
Provider details
- NPI number
- 1891289872
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036155965 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,015 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 561 | $86 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 220 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 137 | $130 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 80 | $144 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 17 | $187 |
Typical Medicare-allowed amounts for these services range $86–$187 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 38 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 30 |
| Furosemide | 26 | 16 |
| Atorvastatin Calcium | 25 | 14 |
| Apixabanbrand: Eliquis | 20 | 11 |
| Metoprolol Succinate | 20 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-21
- Last updated
- 2025-06-14
- Certified
- 2025-06-14
Frequently asked questions
- What is Katarzyna Volmir's NPI number?
- Katarzyna Volmir's National Provider Identifier (NPI) is 1891289872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katarzyna Volmir's specialty?
- Katarzyna Volmir is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Katarzyna Volmir located?
- Katarzyna Volmir's practice location on file with NPPES is 103 Ogden Ave, Clarendon Hills, IL 60514-1027.
- What is Katarzyna Volmir's phone number?
- The practice phone number listed in the NPPES registry for Katarzyna Volmir is (630) 339-3094.
- Does Katarzyna Volmir accept Medicare?
- Katarzyna Volmir is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katarzyna Volmir's NPI active?
- Yes — Katarzyna Volmir's NPI (1891289872) is active in the NPPES registry as of the last update on 2025-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.