NPPES file of Aug 9, 2026

Julie L. O'Brien, APN, CNS

Gerontology Nurse Practitioner · Peoria, IL

Julie L. O'Brien, APN, CNS is a gerontology nurse practitioner with a practice address in Peoria, Illinois, and NPI 1457485328, issued on Mar 15, 2007. Check the license (Illinois 209006476, 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
1457485328
Name
Julie L. O'Brien
Credential
APN, CNS
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
209006476 IL
209-002981 IL
209002981 IL
Self-reported in NPPES; status is on the state search
Practice location
8600 N State Route 91, Peoria, IL 61615
Phone
(309) 683-5409
Enumerated
Mar 15, 2007
Record last updated
Dec 12, 2024
Fax
(309) 683-5428
Medicare enrollment
Enrolled (PECOS I20070607000097); 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 gerontology nurse practitioner records → All 292 in Illinois → Look up another NPI →

Also registered at 8600 N State Route 91

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

  1. Tammy Abbott Herubin, CRNACertified Registered Nurse Anesthetist1184665796
  2. Amanda Allen, PA-CPhysician Assistant1376829010
  3. Steven Axne, CRNACertified Registered Nurse Anesthetist1972539641
  4. A Ghafoor Baha, MDAnesthesiology Physician1134118128
  5. Tiffany BarnardCertified Registered Nurse Anesthetist1245493493
  6. Tamra Barnes, CRNACertified Registered Nurse Anesthetist1336177187

Verify Julie L. O'Brien 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 209006476    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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4.6 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024

6,335 Medicare Part D claims for 633 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.

  1. Julie O'Brien6,335
  2. Specialty average1,369

Most prescribed

  1. Lantus Solostar451 claims
  2. Ozempic445 claims
  3. Mounjaro375 claims
  4. Metformin Hcl296 claims
  5. Jardiance281 claims
  6. Novolog Flexpen244 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.

Industry payments in 2024: $30.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Amneal Pharmaceuticals LLC. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julie O'Brien$30.90
  2. Specialty average$742.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Osf Multi-Specialty GroupPeoria, IL

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

Julie L. O'Brien among 292 gerontology nurse practitioner records in Illinois

Julie L. O'Brien, APN, CNS is one of 292 gerontology nurse practitioner records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 91% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1997 · median 2019 among the 201 with a school on file
  • Record last updated2024 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Illinois

There are 292 gerontology nurse practitioner records in Illinois.

All 292 in Illinois → Every provider in Peoria → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Michael Meaney, APRN, CNPPeoria, IL 616151073840799
  2. Glenn BondPeoria, IL 616141932932456
  3. Melissa Catton, NPPeoria, IL 616141164912762
  4. Emily CoronaPeoria, IL 616061972242188
  5. Madison Dunham, APRNPeoria, IL 616061568244994
  6. Kyle Faris, ACNPC-AGPeoria, IL 616061588480685
  7. Justyna Koscielniak, APRN, CNPPeoria, IL 616061902571235
  8. Aaron Owens, NPPeoria, IL 616061265070494

Common questions

What is Julie L. O'Brien, APN, CNS's NPI number?

Julie L. O'Brien, APN, CNS's National Provider Identifier (NPI) is 1457485328, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Julie L. O'Brien, APN, CNS located?

The NPPES record lists a practice address at 8600 N State Route 91, Peoria, IL, 61615. Phone: (309) 683-5409. Providers update this record themselves, so call before visiting.

How can I verify Julie L. O'Brien, APN, CNS's license?

NPPES lists Illinois license number 209006476, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Julie L. O'Brien, APN, CNS prescribe under Medicare Part D?

In 2024, Julie L. O'Brien, APN, CNS had 6,335 Medicare Part D claims for 633 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.

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.