Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Hannah Ellen Williams, FNP-C, APRN

Individual provider Nurse Practitioner · NPI 1922883578

Hannah Ellen Williams, FNP-C, APRN is a Nurse Practitioner in Libertyville, Illinois. Qualified in 2023, 3 years ago. Practices with Cepamerica Illinois LLP, a 493-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
3
Licensed in
IL
In the registry since
2023
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

801 S Milwaukee Ave
Libertyville, IL 60048-3204
Phone: (847) 990-5300
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 999 18th St Ste 3000, Denver, CO 80202-2449 — (888) 731-8994
  • 111 W Jackson Blvd, Chicago, IL 60604-3589 — (888) 731-8994
  • 10350 Haligus Rd Ste A, Huntley, IL 60142-9545 — (815) 338-6600

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209028483 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 041.454630 (IL)

Record details

NPI number1922883578
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C , APRN
Sole proprietorNo
NPI enumeratedAugust 30, 2023
Last updated in NPPESDecember 29, 2025
Certification dateDecember 29, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Cepamerica Illinois Llp — 493 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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