Muhammad Danial Siddiqui, MD
NPI 1831685585ActiveIndividual· Internal Medicine, Nephrology· Joliet, IL
Internal Medicine, Nephrology (MD) with Germane Nephrology Associates and 1 other group, practicing in Joliet, Illinois. Their prescriptions cost Medicare Part D more than their services did: $128,294 for 857 claims, against $25,448 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $496.58 in all, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1831685585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2018 |
| Last updated in NPPES | Aug 25, 2023 |
| Certified by provider | Aug 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036161839 | 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 | 103 |
|---|---|
| Services billed | 287 across 20 procedure codes |
| Paid by Medicare | $25,448 |
Part D prescriptions in 2024
| Prescriptions (claims) | 857 · 1,730 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $128,294 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Germane Nephrology AssociatesNew Lenox, IL · 9 clinicians
- Kidney Care Center Rockford LLCRockford, IL · 4 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Saint Anthony Medical CenterRockford, IL
- Saint Joseph Medical CenterJoliet, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
- Uw HealthRockford, IL
Other facilities
- Concerto DialysisDialysis facility · Lincolnwood, IL
- Davita Renal Center West JolietDialysis facility · Joliet, IL
- Fmc - JolietDialysis facility · Joliet, IL
- Fmc - Orland ParkDialysis facility · Orland Park, IL
Industry payments (Open Payments)
- 2025$496.58 · 22 payments from 12 companies
- 2024$319.42 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $95.51 | 5 |
| Ardelyx, Inc. | $83.55 | 3 |
| Otsuka America Pharmaceutical, Inc. | $71.11 | 3 |
| Novartis Pharmaceuticals Corporation | $53.40 | 3 |
| Calliditas Therapeutics US Inc. | $37.80 | 1 |
What the 2025 payments were for
- Food and Beverage$449.82 · 20 payments
- Education$46.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Joliet
- 1649378860
- 1629520051
- 1194755272
- 1508238718
- 1801267216
- 1154793354
- 1114035615
- 1104081009
- 1447368949
- 1730135955
- 1316117443
- 1124382783