NPPES file of Aug 9, 2026

Hannah Ellen Williams, FNP-C, APRN

Nurse Practitioner · Libertyville, IL

Hannah Ellen Williams, FNP-C, APRN is a nurse practitioner with a practice address in Libertyville, Illinois, and NPI 1922883578, issued on Aug 30, 2023. Check the license (Illinois 209028483, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922883578
Name
Hannah Ellen Williams
Credential
FNP-C, APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
209028483 IL
041.454630 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Milwaukee Ave, Libertyville, IL 60048
Phone
(847) 990-5300
Enumerated
Aug 30, 2023
Record last updated
Dec 29, 2025
Medicare enrollment
Enrolled (PECOS I20231201001734); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 801 S Milwaukee Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ellen Adler, MS CCC-SLPSpeech-Language Pathologist1700809647
  2. Nasreen Ahmed, M.D.Hospitalist Physician1699070540
  3. Natasha Ali, PACPhysician Assistant1487096483
  4. Sarah Alkilany, MDAnesthesiology Physician1922673953
  5. Dominique AreolaPediatric Occupational Therapist1669933594
  6. Jenna AshleySurgical Physician Assistant1346082153

Verify Hannah Ellen Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209028483
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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87% fewer Medicare Part D claims than the average nurse practitioner in 2024

140 Medicare Part D claims for 113 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Hannah Williams140
  2. Specialty average1,109

Most prescribed

  1. Cephalexin15 claims
  2. Amoxicillin-Clavulanate Potass14 claims
  3. Doxycycline Hyclate13 claims
  4. Methylprednisolone13 claims
  5. Albuterol Sulfate Hfa12 claims
  6. Prednisone11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Cepamerica Illinois LLPLibertyville, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hannah Ellen Williams among 4,892 nurse practitioner records in Illinois

Hannah Ellen Williams, FNP-C, APRN is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2023 · median 2018 among the 3,389 with a school on file
  • Record last updated2025 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 nurse practitioner records list a practice address in Libertyville

They are 27 of the 1,361 NPPES records with a practice address in Libertyville, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Akua Akuffo, DNP-FNP-CLibertyville, IL 600481386124618
  2. Carol Batson Armstrong, CNPLibertyville, IL 600481083753180
  3. Natalie Coorlas, APNLibertyville, IL 600481447774435
  4. Christel Diamond, APRN-FPALibertyville, IL 600481306086491
  5. Laura Friedrich, CNPLibertyville, IL 600481205387552
  6. Dina Froustis, APRN, NP-CLibertyville, IL 600481487224747
  7. Eric Jeffries, FNPLibertyville, IL 600481417300161
  8. Lindsay McKenzie, NP-CLibertyville, IL 600481366958878

Common questions

What is Hannah Ellen Williams, FNP-C, APRN's NPI number?

Hannah Ellen Williams, FNP-C, APRN's National Provider Identifier (NPI) is 1922883578, issued on Aug 30, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hannah Ellen Williams, FNP-C, APRN located?

The NPPES record lists a practice address at 801 S Milwaukee Ave, Libertyville, IL, 60048. Phone: (847) 990-5300. Providers update this record themselves, so call before visiting.

How can I verify Hannah Ellen Williams, FNP-C, APRN's license?

NPPES lists Illinois license number 209028483, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Hannah Ellen Williams, FNP-C, APRN prescribe under Medicare Part D?

In 2024, Hannah Ellen Williams, FNP-C, APRN had 140 Medicare Part D claims for 113 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.