Zaid Im Haddad, M.D.
NPI 1538509971ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (M.D.) with Associates in Nephrology SC, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $218,618 for 794 claims, against $126,775 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 4 companies reporting payments in 2025, $240.28 in all, mostly food and beverage. Lists Holy Cross Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1538509971 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2013 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036160661 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 19224 | NV |
| Internal Medicine, Nephrology | 207RN0300X | A141772 | CA |
| Internal Medicine | 207R00000X | 125.063562 | 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 - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 1,079 across 17 procedure codes |
| Paid by Medicare | $126,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 794 · 1,402 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $218,618 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Associates in Nephrology SCChicago, IL · 52 clinicians
Hospital affiliations
- Holy Cross HospitalChicago, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Roseland Community HospitalChicago, IL
- St Bernard HospitalChicago, IL
- University of Illinois Hospital and ClinicsChicago, IL
Other facilities
- Dialysis Direct - Oak ParkDialysis facility · Oak Park, IL
- Dialyze Direct Il - Glen EllynDialysis facility · Glen Ellyn, IL
- Fmc - BridgeportDialysis facility · Chicago, IL
- Fmc - Marquette ParkDialysis facility · Chicago, IL
Industry payments (Open Payments)
- 2025$240.28 · 7 payments from 4 companies
- 2024$360.21 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $106.20 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $67.02 | 1 |
| One Lambda, Inc. | $42.44 | 3 |
| Fresenius USA Marketing, Inc. | $24.62 | 1 |
What the 2025 payments were for
- Food and Beverage$239.91 · 6 payments
- Education$0.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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