Sonja Marcic, MD
NPI 1700823192ActiveIndividual· Internal Medicine, Nephrology· Oak Lawn, IL
Internal Medicine, Nephrology (MD) with Advocate Health and Hospitals Corporation and 1 other group, practicing in Oak Lawn, Illinois. In 2024 Medicare paid $272,438 for 388 patients, and Part D covered 1,680 of their prescriptions, 89% of them generic. Ardelyx, Inc. was the largest of 11 companies reporting payments in 2025, $664.72 in all, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1700823192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Mar 20, 2024 |
| Certified by provider | Mar 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036106872 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 2,802 across 29 procedure codes |
| Paid by Medicare | $272,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,680 · 3,876 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $232,166 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
- Kidney Care Center South LLCOak Lawn, IL · 5 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Osf Little Company of Mary Medical CenterEvergreen Park, IL
- Palos Community HospitalPalos Heights, IL
Other facilities
- Dcc - Oak LawnDialysis facility · Oak Lawn, IL
- Davita Chicago Ridge DialysisDialysis facility · Chicago Ridge, IL
- Davita Palos Park DialysisDialysis facility · Orland Park, IL
- Home Dialysis Sevices Hickory Hills LLCDialysis facility · Oak Lawn, IL
Industry payments (Open Payments)
- 2025$664.72 · 25 payments from 11 companies
- 2024$978.51 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $169.79 | 4 |
| Amgen Inc. | $141.68 | 6 |
| Opko Pharmaceuticals, LLC | $133.85 | 6 |
| Travere Therapeutics, Inc. | $48.75 | 2 |
| Calliditas Therapeutics US Inc. | $35.98 | 1 |
What the 2025 payments were for
- Food and Beverage$512.02 · 18 payments
- Education$152.70 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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