Quick answers
- Does Shirley S. Wong accept Medicare assignment?
- Yes. Medicare's clinician data says Shirley S. Wong 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 Shirley S. Wong see?
- In 2024, CMS data shows 398 Original Medicare patients and 3,983 services for Shirley S. Wong. This counts Original Medicare only and measures volume, not quality.
- What is Shirley S. Wong's NPI number?
- 1386738060. 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 Shirley S. Wong, 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 | 398 |
|---|---|
| Services billed to Medicare | 3,983 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)995 services
- Urinalysis, manual test (81002)578 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)443 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)283 services
- Administration of influenza virus vaccine (G0008)204 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%
- Diabetes39%
- Osteoporosis38%
- Arthritis25%
- Atrial fibrillation12%
Hospitals where Shirley S. Wong works
Medicare's Facility Affiliation Data lists Shirley S. Wong 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.
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
- Rush University Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140119
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140150
Practice locations
Addresses where Shirley S. Wong is enrolled with Medicare (CMS data updated October 2, 2026).
- 2600 S Michigan Ave, Suite 408Chicago, IL 60616 (312) 808‑0900
Group practices
Medicare enrollment lists Shirley S. Wong as a member of this group (CMS data updated October 2, 2026).
- Shirley S Wong M.D.S.C.2 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386738060 |
| 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