Megan Olszak, APRN, FNP-BC, FNP-C
NPI 1326933847 · Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Olszak, APRN, FNP-BC, FNP-C is a Nurse Practitioner provider in Chicago, IL (NPI 1326933847).
Provider details
- NPI number
- 1326933847
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-BC, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 209.033215 (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 tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-12
- Last updated
- 2025-09-12
- Certified
- 2025-09-12
Frequently asked questions
- What is Megan Olszak's NPI number?
- Megan Olszak's National Provider Identifier (NPI) is 1326933847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Olszak's specialty?
- Megan Olszak is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Megan Olszak located?
- Megan Olszak's practice location on file with NPPES is 3000 N Halsted St Ste 401, Chicago, IL 60657-9268.
- What is Megan Olszak's phone number?
- The practice phone number listed in the NPPES registry for Megan Olszak is (773) 296-3636.
- Does Megan Olszak accept Medicare?
- Megan Olszak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Olszak's NPI active?
- Yes — Megan Olszak's NPI (1326933847) is active in the NPPES registry as of the last update on 2025-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.