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.

IndividualActiveAccepts Medicare

Slawomir Marecik, MD

NPI 1538245964 · Specialist · Park Ridge, IL

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)

Practice location

1550 N Northwest Hwy

Suite 107

Park Ridge, IL 60068-1411

Phone: (847) 759-1110

Street-level locationGet directions

More IL providers

Mailing address

1550 N Northwest Hwy

Park Ridge, IL 60068-1411

Specialties & taxonomies

SpecialistPrimary174400000XLicense 036109520 (IL)
Other Service Providers

Enrolled with Medicare as Practitioner - Colorectal Surgery (proctology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(73/100 index)

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
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 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 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.

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.

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)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments