Olivia Niepsuj, PA-C
NPI 1245887256 · Physician Assistant · Lake Forest, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Niepsuj, PA-C is a Physician Assistant provider in Lake Forest, IL (NPI 1245887256).
Provider details
- NPI number
- 1245887256
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085007686 (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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
94 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 70 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $82 |
Typical Medicare-allowed amounts for these services range $9–$82 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 658 | 251 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 396 | 170 |
| Finasteride | 228 | 82 |
| Mirabegronbrand: Myrbetriq | 169 | 53 |
| Cephalexin | 165 | 91 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 120 | 41 |
| Testosterone | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2701 Patriot BlvdGlenview, IL 60026-8039Phone: (847) 535-7657Fax: (847) 998-9102
Registry dates
- Enumerated
- 2019-08-23
- Last updated
- 2022-05-23
- Certified
- 2022-05-23
Frequently asked questions
- What is Olivia Niepsuj's NPI number?
- Olivia Niepsuj's National Provider Identifier (NPI) is 1245887256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Niepsuj's specialty?
- Olivia Niepsuj is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Olivia Niepsuj located?
- Olivia Niepsuj's practice location on file with NPPES is 800 N Westmoreland Rd Ste 100, Lake Forest, IL 60045-1671.
- What is Olivia Niepsuj's phone number?
- The practice phone number listed in the NPPES registry for Olivia Niepsuj is (847) 535-7657.
- Does Olivia Niepsuj accept Medicare?
- Olivia Niepsuj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Niepsuj's NPI active?
- Yes — Olivia Niepsuj's NPI (1245887256) is active in the NPPES registry as of the last update on 2022-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.