NPPES file of Aug 9, 2026

Rowena Oliva, NP

Nurse Practitioner · Libertyville, IL

Rowena Oliva, NP is a nurse practitioner with a practice address in Libertyville, Illinois, and NPI 1528124864, issued on Dec 29, 2006. Check the license (Illinois 209-004251, 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
1528124864
Name
Rowena Oliva
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209-004251 IL
Self-reported in NPPES; status is on the state search
Practice location
151 W Golf RD, Libertyville, IL 60048
Phone
(847) 682-4304
Enumerated
Dec 29, 2006
Record last updated
Oct 4, 2022
Fax
(847) 570-1696
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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8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 151 W Golf RD

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

  1. Malgorzata Byczko, PTPhysical Therapist1477742419
  2. Crispino Luzano, PTPhysical Therapist1982755260

Verify Rowena Oliva 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 209-004251    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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81% fewer Medicare Part D claims than the average nurse practitioner in 2024

207 Medicare Part D claims for 66 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Rowena Oliva207
  2. Specialty average1,109

Most prescribed

  1. Hydrocodone-Acetaminophen19 claims
  2. Amlodipine Besylate15 claims
  3. Furosemide14 claims
  4. Gabapentin12 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.

Rowena Oliva among 4,892 nurse practitioner records in Illinois

Rowena Oliva, NP 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 89% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2022 · 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.

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

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 Rowena Oliva, NP's NPI number?

Rowena Oliva, NP's National Provider Identifier (NPI) is 1528124864, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rowena Oliva, NP located?

The NPPES record lists a practice address at 151 W Golf RD, Libertyville, IL, 60048. Phone: (847) 682-4304. Providers update this record themselves, so call before visiting.

How can I verify Rowena Oliva, NP's license?

NPPES lists Illinois license number 209-004251, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Rowena Oliva, NP prescribe under Medicare Part D?

In 2024, Rowena Oliva, NP had 207 Medicare Part D claims for 66 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.

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.