Quick answers
- Does Ronna Fisher accept Medicare assignment?
- Yes. Medicare's clinician data says Ronna Fisher 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 Ronna Fisher see?
- In 2024, CMS data shows 293 Original Medicare patients and 653 services for Ronna Fisher. This counts Original Medicare only and measures volume, not quality.
- What is Ronna Fisher's NPI number?
- 1851371249. 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 Ronna Fisher, 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 | 293 |
|---|---|
| Services billed to Medicare | 653 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Comprehensive hearing and speech recognition test (92557)223 services
- Test to assess by hearing by examining the repetition of real words versus nonsense words (92571)148 services
- Test to assess middle ear function (92567)146 services
- Test for hearing various pitches using earphone (92552)60 services
- Test for ability to detect and repeat spoken words with speech recognition (92556)43 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 pressure66%
- Arthritis48%
- Ischemic heart disease25%
- Osteoporosis23%
- Diabetes22%
Practice locations
Addresses where Ronna Fisher is enrolled with Medicare (CMS data updated October 2, 2026).
- 142 E Ontario St, Suite 1100Chicago, IL 60611 (312) 263‑7171
- 185 Skokie Valley RdHighland Park, IL 60035 (847) 681‑7000
Group practices
Medicare enrollment lists Ronna Fisher as a member of this group (CMS data updated October 2, 2026).
- Hearing Health Center Inc5 clinicians in the group
Specialties
- Qualified Audiologistprimary
Other audiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Hearing Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AU |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851371249 |
| 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