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Dr. Mohammad Atiq, M.D.

Medical Oncology (Medical Oncology Physician)

5841 S Maryland Ave
Chicago, IL 60637

Who else practices at this address →

Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (773) 702-1000

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
139

Licensed in Illinois since 2023, according to the Illinois Department of Financial and Professional Regulation. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2014Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Medical Oncology Physician primary
    IL license 036166301 (first issued 2023; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Medical Oncology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
139
Services billed
494
Patients’ average age
72
Most frequent Medicare services, 2023
ServiceTimesPatients
New patient office or other outpatient visit, 60-74 minutes1818
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1313

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Prednisone
Other prescribers in Chicago, IL
180
Abiraterone Acetate131
Nubeqa (darolutamide)33
Xtandi (enzalutamide)23
Orgovyx (relugolix)18
Welireg (belzutifan)12
Gabapentin
Other prescribers in Chicago, IL
11

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 3 companies reported 4 payments worth $419 in total to this clinician.

By company
Exelixis Inc.$269
Novartis Pharmaceuticals Corporation$135
Fresenius USA Marketing, Inc.$14.38
By type
Food and Beverage$419

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Illinois →

Industry-funded research

Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $91,570 in research payments for these studies, mostly to the institutions running them.

  • An International Prospective Open-label, Multi-center, Randomized Phase III Study comparing [177Lu] Lu-PSMA-617 versus Observation to delay castration or disease recurrence in adult male patients with PSMA positive Ol…
    Novartis Pharmaceuticals Corporation

From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.

Other Medical Oncology clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 3, 2026), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1851719967. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.