Quick answers
- Does Susan G. Vierling accept Medicare assignment?
- Yes. Medicare's clinician data says Susan G. Vierling 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 Susan G. Vierling see?
- In 2024, CMS data shows 723 Original Medicare patients and 29,034 services for Susan G. Vierling. This counts Original Medicare only and measures volume, not quality.
- What is Susan G. Vierling's NPI number?
- 1306825930. 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 Susan G. Vierling, 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 | 723 |
|---|---|
| Services billed to Medicare | 29,034 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)19,320 services
- Imaging of retina (92134)1,935 services
- Injection, aflibercept hd, 1 mg (J0177)1,785 services
- Injection of drug into eye (67028)1,230 services
- Established patient complete exam of visual system (92014)1,110 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%
- Arthritis44%
- Diabetes36%
- Ischemic heart disease33%
- Chronic kidney disease27%
Hospitals where Susan G. Vierling works
Medicare's Facility Affiliation Data lists Susan G. Vierling 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.
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200
Practice locations
Addresses where Susan G. Vierling is enrolled with Medicare (CMS data updated October 2, 2026).
- 8780 W Golf Rd, Suite 304Niles, IL 60714 (847) 297‑8900
Group practices
Medicare enrollment lists Susan G. Vierling as a member of this group (CMS data updated October 2, 2026).
- Retina Institute of Illinois PC9 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Niles
Clinicians with the same Medicare primary specialty in Niles, IL — not a recommendation.
Other clinicians in Retina Institute of Illinois PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306825930 |
| 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