Zain Bin Ahsan, DO
NPI 1740919588ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (DO) with Mount Sinai Community Foundation, practicing in Chicago, Illinois. Part D covered 68 prescriptions written in 2024, 90% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 3 companies reporting payments in 2025, $56.15 in all, mostly food and beverage. Lists Holy Cross Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1740919588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2022 |
| Last updated in NPPES | Jul 30, 2025 |
| Certified by provider | Jul 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036176169 | IL |
| Internal Medicine | 207R00000X | R3747 | AZ |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 68 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $2,461 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Mount Sinai Community FoundationChicago, IL · 248 clinicians
Hospital affiliations
- Holy Cross HospitalChicago, IL
- Mt Sinai Hospital Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$56.15 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $20.79 | 1 |
| Novartis Pharmaceuticals Corporation | $20.06 | 1 |
| Janssen Biotech, Inc. | $15.30 | 1 |
What the 2025 payments were for
- Food and Beverage$56.15 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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