Muhammad Y. Siddiq, MD
NPI 1134140551ActiveIndividual· Psychiatry & Neurology, Neurology· Aurora, IL
Psychiatry & Neurology, Neurology (MD) with Muhammad y Siddiq SC, practicing in Aurora, Illinois. Their prescriptions cost Medicare Part D more than their services did: $167,353 for 643 claims, against $73,351 paid for services in 2024. Mdd US Operations, LLC was the largest of 16 companies reporting payments in 2025, $1,622 in all, mostly food and beverage. Lists Copley Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1134140551 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Nov 23, 2021 |
| Certified by provider | Nov 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 036098263 | 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 - Neurology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 817 across 19 procedure codes |
| Paid by Medicare | $73,351 |
Part D prescriptions in 2024
| Prescriptions (claims) | 643 · 1,102 30-day fills |
|---|---|
| Patients | 130 |
| Total drug cost | $167,353 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Muhammad y Siddiq SCAurora, IL · 2 clinicians
Hospital affiliations
- Copley Memorial HospitalAurora, IL
- Presence Mercy Medical CenterAurora, IL
- Uchicago Medicine Adventhealth BolingbrookBolingbrook, IL
Other facilities
- Delta Home Health Care, IncHome health agency · Des Plaines, IL
Industry payments (Open Payments)
- 2025$1,622 · 61 payments from 16 companies
- 2024$2,411 · 89 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mdd US Operations, LLC | $269.15 | 7 |
| Novartis Pharmaceuticals Corporation | $260.00 | 14 |
| Sk Life Science, Inc. | $257.79 | 8 |
| Biogen, Inc. | $210.82 | 8 |
| Genentech USA, Inc. | $136.82 | 6 |
What the 2025 payments were for
- Food and Beverage$1,622 · 61 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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