NPPES file of Aug 9, 2026

Katlyn J. White, APRN-BC

Family Nurse Practitioner · Oak Lawn, IL

Katlyn J. White, APRN-BC is a family nurse practitioner with a practice address in Oak Lawn, Illinois, and NPI 1245705193, issued on Oct 8, 2018. Check the license (Illinois 209-018316, 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
1245705193
Name
Katlyn J. White
Credential
APRN-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209-018316 IL
Self-reported in NPPES; status is on the state search
Practice location
4440 W 95TH St, Oak Lawn, IL 60453
Phone
(844) 725-5238
Enumerated
Oct 8, 2018
Record last updated
Apr 20, 2022
Medicare enrollment
Enrolled (PECOS I20191111001903); 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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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 4440 W 95TH St

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

  1. Nadia Abdessalam, FNP-BCFamily Nurse Practitioner1356888283
  2. Akram Abdoue, M.D.Anesthesiology Physician1992752489
  3. Ahmad Abdulla, MDEmergency Medicine Physician1467202556
  4. Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
  5. Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
  6. Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663

Verify Katlyn J. White 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 209-018316    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. Advocate Health And Hospitals CorporationBuffalo Grove, IL

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

Katlyn J. White among 7,639 family nurse practitioner records in Illinois

Katlyn J. White, APRN-BC is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 44% of them.

  • NPI issued2018 · 44% of these records are older, 49% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2018 among the 4,778 with a school on file
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 family nurse practitioner records list a practice address in Oak Lawn

They are 93 of the 2,993 NPPES records with a practice address in Oak Lawn, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Oak Lawn → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kelly Billingsley, NPOak Lawn, IL 604531063761724
  2. Leah Burns, APN, FNPOak Lawn, IL 604531548509110
  3. Kelly Canerday, FNP-BCOak Lawn, IL 604531952744963
  4. Jeanne Dougherty, APNOak Lawn, IL 604531598872368
  5. Jane Flanagan, APNOak Lawn, IL 604531770779522
  6. Linda Follenweider, NPOak Lawn, IL 604531740228584
  7. Lisa Guzman, NPOak Lawn, IL 604531790886257
  8. Amy Hansen, FNPOak Lawn, IL 604531629491543

Common questions

What is Katlyn J. White, APRN-BC's NPI number?

Katlyn J. White, APRN-BC's National Provider Identifier (NPI) is 1245705193, issued on Oct 8, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katlyn J. White, APRN-BC located?

The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (844) 725-5238. Providers update this record themselves, so call before visiting.

How can I verify Katlyn J. White, APRN-BC's license?

NPPES lists Illinois license number 209-018316, 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.