Ali Imtiaz
NPI 1972036010ActiveIndividual· Internal Medicine, Nephrology· Naperville, IL
Internal Medicine, Nephrology in Naperville, Illinois, trained at West Virginia School of Osteopathic Medicine (class of 2017). 363 Medicare patients in 2024, $159,311 paid; nearly all of their 380 Part D prescriptions were generic (92%). Vifor Pharma, Inc. was the largest of 4 companies reporting payments in 2025, $218.98 in all, mostly food and beverage.
Overview
| NPI | 1972036010 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 5, 2017 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036-161534 | 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 | 363 |
|---|---|
| Services billed | 2,992 across 52 procedure codes |
| Paid by Medicare | $159,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 380 · 1,013 30-day fills |
|---|---|
| Patients | 117 |
| Total drug cost | $41,708 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Other facilities
- Davita Rutgers Park DialysisDialysis facility · Woodridge, IL
- Fmc - NaperbrookDialysis facility · Naperville, IL
Industry payments (Open Payments)
- 2025$218.98 · 9 payments from 4 companies
- 2024$267.90 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $112.62 | 4 |
| Travere Therapeutics, Inc. | $56.44 | 3 |
| Scpharmaceuticals Inc. | $26.45 | 1 |
| Otsuka America Pharmaceutical, Inc. | $23.47 | 1 |
What the 2025 payments were for
- Food and Beverage$218.98 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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