Mohammad A. Siddiqui, MD
NPI 1487630513ActiveIndividual· Internal Medicine· Skokie, IL
Internal Medicine (MD) in Skokie, Illinois, licensed in IL, with an NPI issued in December 2005. Their prescriptions cost Medicare Part D more than their services did: $1,015,779 for 10,958 claims, against $81,869 paid for services in 2024. Novo Nordisk Inc was the largest of 19 companies reporting payments in 2025, $1,087 in all, mostly food and beverage. Lists Northshore University Healthsystem - Evanston Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487630513 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 20, 2005 |
| Last updated in NPPES | Feb 13, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036093190 | 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 314 |
|---|---|
| Services billed | 1,236 across 35 procedure codes |
| Paid by Medicare | $81,869 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,958 · 22,042 30-day fills |
|---|---|
| Patients | 698 |
| Total drug cost | $1,015,779 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Swedish HospitalChicago, IL
Other facilities
- Advanta Home Health Care, IncHome health agency · Northfield, IL
- Residential Home HealthHome health agency · Northbrook, IL
- Alden Estates of SkokieNursing home · Skokie, IL
- Alden North Shore Rehab & HccNursing home · Skokie, IL
Industry payments (Open Payments)
- 2025$1,087 · 54 payments from 19 companies
- 2024$1,417 · 86 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $194.97 | 13 |
| Lilly USA, LLC | $141.48 | 6 |
| Pfizer Inc. | $108.89 | 5 |
| Astrazeneca Pharmaceuticals LP | $70.55 | 4 |
| Exact Sciences Corporation | $67.09 | 3 |
What the 2025 payments were for
- Food and Beverage$1,087 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 internal medicine physicians in Skokie · All internal medicine physicians in Illinois