Quick answers
- Does Amer S. Hosain accept Medicare assignment?
- Yes. Medicare's clinician data says Amer S. Hosain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Amer S. Hosain see?
- In 2024, CMS data shows 240 Original Medicare patients and 985 services for Amer S. Hosain. This counts Original Medicare only and measures volume, not quality.
- What is Amer S. Hosain's NPI number?
- 1538789490. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Amer S. Hosain, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 240 |
|---|---|
| Services billed to Medicare | 985 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Removal of fingernails or toenails, 6 or more nails (11721)110 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)98 services
- Removal of noncancer thickened skin growth, 2-4 growths (11056)61 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)53 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)26 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes48%
- Ischemic heart disease45%
- Chronic kidney disease35%
Hospitals where Amer S. Hosain works
Medicare's Facility Affiliation Data lists Amer S. Hosain at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140048
- Insight Hospital and Medical Center ChicagoChicago, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140158
Practice locations
Addresses where Amer S. Hosain is enrolled with Medicare (CMS data updated October 2, 2026).
- 1121 N Orleans StChicago, IL 60610 (877) 674‑1211
- 2020 Calamos Ct, Suite 250Naperville, IL 60563 (888) 402‑0202
- 3302 Vollmer RdOlympia Fields, IL 60461 (708) 864‑2006
Group practices
Medicare enrollment lists Amer S. Hosain as a member of these groups (CMS data updated October 2, 2026).
- Aria Podiatry Care PLLC54 clinicians in the group
- United Wound Care Institute-Illinois8 clinicians in the group
- Amrash Inc2 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Aria Podiatry Care PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 2020 (6 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538789490 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians