Mariusz Gadula, MD
NPI 1548292832 · Internal Medicine Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariusz Gadula, MD is a Internal Medicine Physician provider in Oak Lawn, IL (NPI 1548292832).
Provider details
- NPI number
- 1548292832
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036088145 (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
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
13,739 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,268 | $64 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 649 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 551 | $132 |
| Albumin (protein) Level82040 | 542 | $5 |
| Amylase (enzyme) Level82150 | 542 | $6 |
| Bilirubin Level, Total82247 | 542 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 794 | 224 |
| Pantoprazole Sodium | 458 | 136 |
| Levothyroxine Sodium | 434 | 107 |
| Amlodipine Besylate | 363 | 102 |
| Metformin Hcl | 295 | 79 |
| Lisinopril | 245 | 74 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 15 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
- 2006-07-07
- Last updated
- 2021-12-06
- Certified
- 2021-12-06
Frequently asked questions
- What is Mariusz Gadula's NPI number?
- Mariusz Gadula's National Provider Identifier (NPI) is 1548292832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariusz Gadula's specialty?
- Mariusz Gadula is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mariusz Gadula located?
- Mariusz Gadula's practice location on file with NPPES is 4609 W 103rd St, Oak Lawn, IL 60453-4718.
- What is Mariusz Gadula's phone number?
- The practice phone number listed in the NPPES registry for Mariusz Gadula is (708) 425-0070.
- Does Mariusz Gadula accept Medicare?
- Mariusz Gadula is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariusz Gadula's NPI active?
- Yes — Mariusz Gadula's NPI (1548292832) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.