NPPES file of Aug 9, 2026

Hillary Lee Frazzini, APRN

Nurse Practitioner · Naperville, IL

Hillary Lee Frazzini, APRN is a nurse practitioner with a practice address in Naperville, Illinois, and NPI 1487449203, issued on Apr 11, 2025. Check the license (Illinois 209.032175, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487449203
Name
Hillary Lee Frazzini
Credential
APRN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.032175 IL
Self-reported in NPPES; status is on the state search
Practice location
1964 Springbrook Square Dr Ste 108B, Naperville, IL 60564
Phone
(630) 348-3840
Enumerated
Apr 11, 2025
Record last updated
Apr 25, 2025
Fax
(630) 848-9342
Medicare enrollment
Enrolled (PECOS I20250421003100); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 1964 Springbrook Square Dr Ste 108B

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

  1. Iffat Ahmed, D.O.Internal Medicine Physician1063668192
  2. Areeba Asim, PAPhysician Assistant1518734888
  3. Krista Dal Pozzo, FNPNurse Practitioner1285408351
  4. Nazish Ekram, M.D.Internal Medicine Physician1346496965
  5. Tara Klaus, APNNurse Practitioner1609341072
  6. Merime ShabaniNurse Practitioner1174084958

Verify Hillary Lee Frazzini 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 209.032175    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Dupage Medical Group LtdNaperville, IL

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

Hillary Lee Frazzini among 4,892 nurse practitioner records in Illinois

Hillary Lee Frazzini, 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 2% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2014 · 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).

122 nurse practitioner records list a practice address in Naperville

They are 122 of the 4,634 NPPES records with a practice address in Naperville, and 4,892 nurse practitioner records in Illinois.

All 4,892 in Illinois → Every provider in Naperville → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Chludzinski, APN-CNSNaperville, IL 605641538156567
  2. Tina Doretti, APNNaperville, IL 605641750912770
  3. Amy DusekNaperville, IL 605641669837001
  4. Kimberly Gubbins, APN ,CPNP, IBCLCNaperville, IL 605641659675601
  5. Terri Hannon, APN-CNaperville, IL 605641497965487
  6. Sara Horvath, APN-CNPNaperville, IL 605641871024786
  7. Tara Klaus, APNNaperville, IL 605641609341072
  8. Courtney Kornsey, FNP-CNaperville, IL 605641285263996

Common questions

What is Hillary Lee Frazzini, APRN's NPI number?

Hillary Lee Frazzini, APRN's National Provider Identifier (NPI) is 1487449203, issued on Apr 11, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Hillary Lee Frazzini, APRN located?

The NPPES record lists a practice address at 1964 Springbrook Square Dr Ste 108B, Naperville, IL, 60564. Phone: (630) 348-3840. Providers update this record themselves, so call before visiting.

How can I verify Hillary Lee Frazzini, APRN's license?

NPPES lists Illinois license number 209.032175, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.