Quick answers
- Does Ted C. Shieh accept Medicare assignment?
- Yes. Medicare's clinician data says Ted C. Shieh 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 Ted C. Shieh see?
- In 2024, CMS data shows 585 Original Medicare patients and 1,744 services for Ted C. Shieh. This counts Original Medicare only and measures volume, not quality.
- What is Ted C. Shieh's NPI number?
- 1083616460. 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 Ted C. Shieh, 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 | 585 |
|---|---|
| Services billed to Medicare | 1,744 |
| Different services or procedures | 79 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)223 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)156 services
- Insertion of needle into vein for collection of blood sample (36415)118 services
- Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (0241U)103 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)99 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 cholesterol75%
- High blood pressure70%
- Arthritis44%
- Ischemic heart disease28%
- Anxiety24%
- Diabetes21%
Practice locations
Addresses where Ted C. Shieh is enrolled with Medicare (CMS data updated October 2, 2026).
- 430 Warrenville Rd, Suite 210Lisle, IL 60532 (630) 432‑6180
Group practices
Medicare enrollment lists Ted C. Shieh as a member of this group (CMS data updated October 2, 2026).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Dupage Medical Group Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083616460 |
| 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
- 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