Registry data as of Aug 27, 2026

Julie O'Brien, APN, CNS

Gerontology Clinical Nurse Specialist · Peoria, IL

Julie O'Brien, APN, CNS is a gerontology clinical nurse specialist with a practice address in Peoria, Illinois, and NPI 1457485328, issued on Mar 15, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1457485328
Name
Julie O'Brien
Credential
APN, CNS
Primary taxonomy
Gerontology Clinical Nurse Specialist 364SG0600X
Practice location
8600 N State Route 91, Peoria, IL 61615
Phone
(309) 683-5409
Enumerated
Mar 15, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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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, MDPain Medicine (Anesthesiology) Physician1134118128
  5. Tiffany BarnardCertified Registered Nurse Anesthetist1245493493
  6. Tamra Barnes, CRNACertified Registered Nurse Anesthetist1336177187

Verify Julie O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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.

6.4 times the Medicare Part D claims of the average gerontology clinical nurse specialist in 2024

6,335 Medicare Part D claims for 633 beneficiaries, against an average of 990 among the 127 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.

  1. Julie O'Brien6,335
  2. Specialty average990

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, mostly food and beverage; the largest payer was Amneal Pharmaceuticals LLC. The 120 providers of this specialty with any payment received $669.24 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$669.24

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

One hospital or facility affiliation

  1. Osf Multi-Specialty GroupPeoria, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gerontology Clinical Nurse Specialist providers in Illinois

There are 25 gerontology clinical nurse specialist records in Illinois.

All 25 in Illinois → Every provider in Peoria →

Other gerontology clinical nurse specialist records in Illinois

  1. Bukurije Alijoski, APRN-CNPChicago, IL1144757154
  2. Melanie Collins, APNPeoria, IL1497122378
  3. Joyce Despe, APNMaywood, IL1851864839
  4. Mary Francisco, APRN-BCChicago, IL1740408962
  5. Shara Frankenfeld, APN, CNS-BCEvanston, IL1063955375
  6. Melissa Joos, RNPeoria, IL1821234238
  7. Kyle KiesewetterPeoria, IL1598399693
  8. Sonia Lee, APNGlenview, IL1982921003
  9. Laura Luc-Gorby, A.P.N.Hines, IL1215122734
  10. Katelynn Madden, APRN, CNSPeoria, IL1720694094

Common questions

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

Julie 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 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 O'Brien, APN, CNS's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Julie O'Brien, APN, CNS had 6,335 Medicare Part D claims for 633 beneficiaries; the average among gerontology clinical nurse specialist prescribers was 990. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.