Quick answers
- Does Olga G. Kozlova accept Medicare assignment?
- Yes. Medicare's clinician data says Olga G. Kozlova 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 Olga G. Kozlova see?
- In 2024, CMS data shows 339 Original Medicare patients and 695 services for Olga G. Kozlova. This counts Original Medicare only and measures volume, not quality.
- What is Olga G. Kozlova's NPI number?
- 1477997674. 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 Olga G. Kozlova, 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 | 339 |
|---|---|
| Services billed to Medicare | 695 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)155 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)105 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)89 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)73 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)63 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%
- Arthritis61%
- Diabetes41%
- Ischemic heart disease39%
- Anxiety38%
Hospitals where Olga G. Kozlova works
Medicare's Facility Affiliation Data lists Olga G. Kozlova 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.
- Presence St Marys HospitalKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140155
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140186
Practice locations
Addresses where Olga G. Kozlova is enrolled with Medicare (CMS data updated October 2, 2026).
- 1860 W Winchester Rd, Suite 106Libertyville, IL 60048 (847) 816‑6335
- 677 Carriage Hill DrGlenview, IL 60025
- 9933 Lawler Ave, Suite 520Skokie, IL 60077 (847) 450‑7737
Group practices
Medicare enrollment lists Olga G. Kozlova as a member of this group (CMS data updated October 2, 2026).
- Ganesha Institute of Neurology and Psychiatry SC27 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Ganesha Institute of Neurology and Psychiatry SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477997674 |
| 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