Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ellen Louise Olek, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1700309234

Ellen Louise Olek, FNP-BC is a Nurse Practitioner in Neenah, Wisconsin. Qualified in 2016, 10 years ago. Practices with Karefirst Illinois PC, a 12-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Georgia, Illinois and Wisconsin.

Years since qualifying
10
Licensed in
GA, IL, WI
In the registry since
2017
Specialties on file
3
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

130 2nd Street Theda Clark Medical Plz
Neenah, WI 54956-2883
Phone: (920) 831-5050
Fax: (920) 729-2104
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 211 Bobby Jones Expy Ste C, Martinez, GA 30907-5253 — (706) 860-3355
  • 3880 Salem Lake Dr Ste F, Long Grove, IL 60047-5292 — (847) 719-2220
  • 820 E Grant St, Appleton, WI 54911-3483 — (920) 831-5050

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209019307 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence RN270559 (GA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 9062 (WI)

Record details

NPI number1700309234
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedJuly 17, 2017
Last updated in NPPESJuly 11, 2023
Certification dateJuly 11, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Karefirst Illinois Pc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Neenah