Slawomir Marecik, MD
NPI 1538245964 · Specialist · Park Ridge, IL
Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Slawomir Marecik, MD is a Specialist provider in Park Ridge, IL (NPI 1538245964).
Provider details
- NPI number
- 1538245964
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036109520 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
812 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 136 | $93 |
| Diagnostic Exam of Anus Using an Endoscope46600 | 127 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 80 | $81 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 75 | $116 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 51 | $183 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 87 | 83 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 45 | 45 |
| Metronidazole | 39 | 32 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 31 | 31 |
| Neomycin Sulfate | 30 | 29 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 21 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$638 across 6 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
- 2006-10-27
- Last updated
- 2022-01-05
- Certified
- 2022-01-02
Frequently asked questions
- What is Slawomir Marecik's NPI number?
- Slawomir Marecik's National Provider Identifier (NPI) is 1538245964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Slawomir Marecik's specialty?
- Slawomir Marecik is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Slawomir Marecik located?
- Slawomir Marecik's practice location on file with NPPES is 1550 N Northwest Hwy, Park Ridge, IL 60068-1411.
- What is Slawomir Marecik's phone number?
- The practice phone number listed in the NPPES registry for Slawomir Marecik is (847) 759-1110.
- Does Slawomir Marecik accept Medicare?
- Slawomir Marecik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Slawomir Marecik's NPI active?
- Yes — Slawomir Marecik's NPI (1538245964) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.