Quick answers
- Does Irene A. Semenov accept Medicare assignment?
- Yes. Medicare's clinician data says Irene A. Semenov 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 Irene A. Semenov see?
- In 2024, CMS data shows 471 Original Medicare patients and 1,425 services for Irene A. Semenov. This counts Original Medicare only and measures volume, not quality.
- What is Irene A. Semenov's NPI number?
- 1093720856. 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 Irene A. Semenov, 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 | 471 |
|---|---|
| Services billed to Medicare | 1,425 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (G0453)478 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)164 services
- Needle measurement of electrical activity in arm or leg muscles, limited study (95885)77 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)73 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)71 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 pressure74%
- Arthritis69%
- Depression34%
- Anxiety34%
- Ischemic heart disease32%
Hospitals where Irene A. Semenov works
Medicare's Facility Affiliation Data lists Irene A. Semenov 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.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
- Swedish HospitalChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140114
Practice locations
Addresses where Irene A. Semenov is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 1300 Oak AveEvanston, IL 60201 (847) 869‑1300
- 2100 Pfingsten RdGlenview, IL 60026
- 2650 Ridge AveEvanston, IL 60201
- 2739 W Foster AveChicago, IL 60625 (773) 878‑8200
- 5140 N California, Suite G600Chicago, IL 60625 (773) 989‑3803
Group practices
Medicare enrollment lists Irene A. Semenov as a member of this group (CMS data updated October 2, 2026).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Evanston
Clinicians with the same Medicare primary specialty in Evanston, IL — not a recommendation.
Other clinicians in Endeavor Health Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093720856 |
| 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