Quick answers
- Does Shireen Lum accept Medicare assignment?
- Yes. Medicare's clinician data says Shireen Lum 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 Shireen Lum see?
- In 2024, CMS data shows 87 Original Medicare patients and 346 services for Shireen Lum. This counts Original Medicare only and measures volume, not quality.
- What is Shireen Lum's NPI number?
- 1528223500. 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 Shireen Lum, 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 | 87 |
|---|---|
| Services billed to Medicare | 346 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)70 services
- Removal of fingernails or toenails, 6 or more nails (11721)64 services
- Removal of tissue from wound, 20.0 sq cm or less (97597)37 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)19 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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%
- Diabetes75%
- Arthritis59%
- Chronic kidney disease49%
- Ischemic heart disease41%
Hospitals where Shireen Lum works
Medicare's Facility Affiliation Data lists Shireen Lum 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.
- Presence Saints Mary and Elizabeth Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140180
Practice locations
Addresses where Shireen Lum is enrolled with Medicare (CMS data updated October 2, 2026).
- 2222 W Division StChicago, IL 60622 (773) 862‑3600
- 2623 S Lawndale Ave, Suite CChicago, IL 60623
- 2623 S Lawndale Ave CChicago, IL 60623 (773) 522‑9700
Group practices
Medicare enrollment lists Shireen Lum as a member of this group (CMS data updated October 2, 2026).
- Michael M. Maghrabi DPM, PC4 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 Michael M. Maghrabi DPM, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | William M. Scholl College Of Podiatric Medicine |
| Graduation year | 2006 (20 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528223500 |
| 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