NPPES file of Aug 9, 2026

Roger O. Barillas, ARNP

Nurse Practitioner · Clear Lake, IA

Roger O. Barillas, ARNP is a nurse practitioner with a practice address in Clear Lake, Iowa, and NPI 1578500138, issued on Jun 1, 2006. Check the license (Iowa A086935, as entered in NPPES) with the Iowa 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
1578500138
Name
Roger O. Barillas
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
A086935 IA
Self-reported in NPPES; status is on the state search
Practice location
1801 US Highway 18 E, Clear Lake, IA 50428
Phone
(641) 357-1999
Enumerated
Jun 1, 2006
Record last updated
Feb 8, 2022
Fax
(641) 357-1999
Medicaid ID
0460956 IA
Medicare enrollment
Enrolled (PECOS I20050419000642); 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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Also registered at 1801 US Highway 18 E

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

  1. John Brady, DOFamily Medicine Physician1154382513

Verify Roger O. Barillas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license A086935
    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
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71% fewer Medicare Part D claims than the average nurse practitioner in 2024

318 Medicare Part D claims for 176 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Roger Barillas318
  2. Specialty average1,109

Most prescribed

  1. Amoxicillin-Clavulanate Potass70 claims
  2. Prednisone40 claims
  3. Doxycycline Hyclate25 claims
  4. Cephalexin22 claims
  5. Albuterol Sulfate Hfa18 claims
  6. Cefdinir17 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.

Bills Medicare through one group practice

  1. Floyd County Memorial Hospital CommissionCharles City, IA

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

Roger O. Barillas among 1,294 nurse practitioner records in Iowa

Roger O. Barillas, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 77% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2002 · median 2018 among the 873 with a school on file
  • Record last updated2022 · 46% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 nurse practitioner records list a practice address in Clear Lake

They are 3 of the 121 NPPES records with a practice address in Clear Lake, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Petra Lamfers, ARNPClear Lake, IA 504281447368279
  2. Sarah OrchardClear Lake, IA 504281518374636
  3. Ami Frohling, ARNPBritt, IA 504231790773976
  4. Julie Larson, ARNPBritt, IA 504231104017748
  5. Kathryn Pottratz, ARNPBritt, IA 504231649202425
  6. Jennifer Rosenmeyer, ARNPBritt, IA 504231598881096
  7. Kendra Ulicki, ANRPGarner, IA 504381275972283
  8. Deena Zadow, ARNPGarner, IA 504381598495749

Common questions

What is Roger O. Barillas, ARNP's NPI number?

Roger O. Barillas, ARNP's National Provider Identifier (NPI) is 1578500138, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roger O. Barillas, ARNP located?

The NPPES record lists a practice address at 1801 US Highway 18 E, Clear Lake, IA, 50428. Phone: (641) 357-1999. Providers update this record themselves, so call before visiting.

How can I verify Roger O. Barillas, ARNP's license?

NPPES lists Iowa license number A086935, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Roger O. Barillas, ARNP prescribe under Medicare Part D?

In 2024, Roger O. Barillas, ARNP had 318 Medicare Part D claims for 176 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.

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.