Nic I. Hristea, MD
NPI 1285689703ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (MD) with Associates in Nephrology SC, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $431,509 for 903 claims, against $123,385 paid for services in 2024. Fresenius USA Marketing, Inc. was the largest of 10 companies reporting payments in 2025, $12,298 in all, mostly travel and lodging. Lists Advocate Christ Hospital & Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1285689703 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | Nov 22, 2024 |
| Certified by provider | Nov 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036105393 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 1,116 across 17 procedure codes |
| Paid by Medicare | $123,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 903 · 1,878 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $431,509 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Associates in Nephrology SCChicago, IL · 52 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Holy Cross HospitalChicago, IL
- Osf Little Company of Mary Medical CenterEvergreen Park, IL
- Roseland Community HospitalChicago, IL
- St Bernard HospitalChicago, IL
Other facilities
- Concerto DialysisDialysis facility · Lincolnwood, IL
- Fmc - AberdeenDialysis facility · Chicago, IL
- Fmc - BridgeportDialysis facility · Chicago, IL
- Fmc - New CityDialysis facility · Chicago, IL
Industry payments (Open Payments)
- 2025$12,298 · 26 payments from 10 companies
- 2024$648.62 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $11,608 | 9 |
| Travere Therapeutics, Inc. | $175.68 | 4 |
| Mallinckrodt Hospital Products Inc. | $149.38 | 1 |
| Amgen Inc. | $130.16 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $108.90 | 5 |
What the 2025 payments were for
- Travel and Lodging$11,103 · 3 payments
- Food and Beverage$1,164 · 21 payments
- Education$30.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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