Adnan Siddiqui, MD
NPI 1134194327ActiveIndividual· Internal Medicine, Infectious Disease· Bridgeton, MO
Internal Medicine, Infectious Disease (MD) with Fairview Heights Medical Group SC and 1 other group, practicing in Bridgeton, Missouri. Their prescriptions cost Medicare Part D more than their services did: $724,981 for 492 claims, against $96,962 paid for services in 2024. Medical Device Business Services, Inc. was the largest of 5 companies reporting payments in 2025, $370.82 in all, mostly food and beverage. Lists Barnes Jewish Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1134194327 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Aug 6, 2023 |
| Certified by provider | Aug 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 2005009473 | MO |
| Specialist | 174400000X | 2005009473 | MO |
| Internal Medicine, Infectious Disease | 207RI0200X | 036136783 | 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 - Infectious Disease (IL); Practitioner - Infectious Disease (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 1,343 across 11 procedure codes |
| Paid by Medicare | $96,962 |
Part D prescriptions in 2024
| Prescriptions (claims) | 492 · 527 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $724,981 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical groups
- Fairview Heights Medical Group SCAlton, IL · 444 clinicians
- Northwest Infectious Disease Services LLCAlton, IL · 5 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Christian Hospital NortheastSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- Osf Saint Anthony's Health CenterAlton, IL
Industry payments (Open Payments)
- 2025$370.82 · 12 payments from 5 companies
- 2024$135.92 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $159.60 | 2 |
| Insmed, Inc. | $73.83 | 3 |
| Medtronic, Inc. | $71.06 | 3 |
| Gilead Sciences, Inc. | $49.63 | 3 |
| Abbvie Inc. | $16.70 | 1 |
What the 2025 payments were for
- Food and Beverage$370.82 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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