Olga Brezden
NPI 1114542347 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Brezden is a Family Nurse Practitioner provider in Chicago, IL (NPI 1114542347).
Provider details
- NPI number
- 1114542347
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209021535 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
512 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $71 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 98 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $99 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 54 | $41 |
| X-Ray of Chest, 2 Views71046 | 51 | $15 |
| Urinalysis, Manual Test81002 | 30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 55 | 55 |
| Azithromycin | 48 | 45 |
| Prednisone | 36 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 25 | 17 |
| Doxycycline Monohydrate | 23 | 22 |
| Chlorhexidine Gluconate | 18 | 18 |
| Cephalexin | 16 | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 1625 Estate CirNaperville, IL 60565-6705Phone: (773) 704-7519
Registry dates
- Enumerated
- 2020-06-12
- Last updated
- 2023-09-12
- Certified
- 2023-09-12
Frequently asked questions
- What is Olga Brezden's NPI number?
- Olga Brezden's National Provider Identifier (NPI) is 1114542347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Brezden's specialty?
- Olga Brezden is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Olga Brezden located?
- Olga Brezden's practice location on file with NPPES is 2868 N Broadway St, Chicago, IL 60657-6017.
- What is Olga Brezden's phone number?
- The practice phone number listed in the NPPES registry for Olga Brezden is (773) 569-3525.
- Does Olga Brezden accept Medicare?
- Olga Brezden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Brezden's NPI active?
- Yes — Olga Brezden's NPI (1114542347) is active in the NPPES registry as of the last update on 2023-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.