Mohammad Atiq, M.D.
NPI 1851719967ActiveIndividual· Internal Medicine, Medical Oncology· Chicago, IL
Internal Medicine, Medical Oncology (M.D.) with University of Chicago and 1 other group, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,302,518 for 461 claims, against $40,089 paid for services in 2024. Exelixis Inc. was the largest of 3 companies reporting payments in 2025, $418.72 in all, mostly food and beverage. Lists Ingalls Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1851719967 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2014 |
| Last updated in NPPES | Jun 3, 2026 |
| Certified by provider | Jun 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 036166301 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 494 across 14 procedure codes |
| Paid by Medicare | $40,089 |
Part D prescriptions in 2024
| Prescriptions (claims) | 461 · 506 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $1,302,518 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical groups
- University of ChicagoChicago, IL · 1,712 clinicians
- The University of Chicago Medical CenterChicago, IL · 915 clinicians
Hospital affiliations
- Ingalls Memorial HospitalHarvey, IL
- The University of Chicago Medical CenterChicago, IL
- Uchicago Medicine Northwest IndianaCrown Point, IN
Industry payments (Open Payments)
- 2025$418.72 · 4 payments from 3 companies
- 2024$90.60 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exelixis Inc. | $269.36 | 2 |
| Novartis Pharmaceuticals Corporation | $134.98 | 1 |
| Fresenius USA Marketing, Inc. | $14.38 | 1 |
What the 2025 payments were for
- Food and Beverage$418.72 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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