Tomasz Kosierkiewicz, MD
NPI 1487645776 · Neurology Physician · Mount Vernon, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tomasz Kosierkiewicz, MD is a Neurology Physician provider in Mount Vernon, IL (NPI 1487645776).
Provider details
- NPI number
- 1487645776
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036104826 (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
20 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
897 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 440 | $120 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 98 | $213 |
| Mri Scan of Brain Before and After Contrast70553 | 94 | $102 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 90 | $358 |
| Mri Scan of Upper Spinal Canal Before and After Contrast72156 | 38 | $105 |
| Ct Scan Head Or Brain Without Contrast70450 | 34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Rytary | 184 | 33 |
| Gabapentin | 184 | 34 |
| Pregabalin | 161 | 24 |
| Levetiracetam | 97 | 15 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 82 | 22 |
| Clonazepam | 73 | 12 |
| Memantine Hcl | 56 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2005-11-04
- Last updated
- 2012-02-21
Frequently asked questions
- What is Tomasz Kosierkiewicz's NPI number?
- Tomasz Kosierkiewicz's National Provider Identifier (NPI) is 1487645776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tomasz Kosierkiewicz's specialty?
- Tomasz Kosierkiewicz is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Tomasz Kosierkiewicz located?
- Tomasz Kosierkiewicz's practice location on file with NPPES is 2605 Main St, Mount Vernon, IL 62864-2372.
- What is Tomasz Kosierkiewicz's phone number?
- The practice phone number listed in the NPPES registry for Tomasz Kosierkiewicz is (618) 242-7350.
- Does Tomasz Kosierkiewicz accept Medicare?
- Tomasz Kosierkiewicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tomasz Kosierkiewicz's NPI active?
- Yes — Tomasz Kosierkiewicz's NPI (1487645776) is active in the NPPES registry as of the last update on 2012-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.