NPPES file of Aug 9, 2026

Colleen Bridget Byrnes, ARNP

Nurse Practitioner · Osage, IA

Colleen Bridget Byrnes, ARNP is a nurse practitioner with a practice address in Osage, Iowa, and NPI 1942286422, issued on Dec 16, 2005. Check the license (Iowa A099600, 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
1942286422
Name
Colleen Bridget Byrnes
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
A099600 IA
R157495-9 MN
Self-reported in NPPES; status is on the state search
Practice location
620 N 8TH St, Osage, IA 50461
Phone
(641) 732-6100
Enumerated
Dec 16, 2005
Record last updated
May 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(641) 732-6108
Medicare enrollment
Enrolled (PECOS I20130611000858); 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 620 N 8TH St

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

  1. Mark Haganman, DOFamily Medicine Physician1801988415
  2. Benson Hargens, MDFamily Medicine Physician1417330069
  3. Jean Lunde, PAPhysician Assistant1912099524
  4. Jeffrey Nasstrom, DOFamily Medicine Physician1710079322
  5. Julie Potter, APRNFamily Nurse Practitioner1083751028
  6. Robert Roggensack, ODOptometrist1891887410

Verify Colleen Bridget Byrnes 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 A099600
    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 Iowa license search

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4.2 times the Medicare Part D claims of the average nurse practitioner in 2024

4,681 Medicare Part D claims for 334 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 225 claims were for opioids.

  1. Colleen Byrnes4,681
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Levothyroxine Sodium213 claims
  3. Losartan Potassium186 claims
  4. Omeprazole170 claims
  5. Amlodipine Besylate153 claims
  6. Gabapentin142 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. Mitchell County Memorial HospitalOsage, IA

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

1 nurse practitioner records list a practice address in Osage

They are 1 of the 27 NPPES records with a practice address in Osage, and 1,294 nurse practitioner records in Iowa.

Other nurse practitioner records in Iowa

  1. Omar AcevizDavenport, IA1215655568
  2. Jennifer AchenbachCouncil Bluffs, IA1013967280
  3. Elizabeth Ackerson, ARNPWaterloo, IA1225485097
  4. Anece Adam, ARNPIowa City, IA1346814779
  5. Debra Adams, ARNPFort Dodge, IA1659659324
  6. Kathleen Adams, ARNPDes Moines, IA1073500690
  7. Madison Adank, FNP-BCDavenport, IA1376258905
  8. Lindsey Aeschliman, ARNPWest Des Moines, IA1770866642
  9. Christina Aguilar, ARNPDes Moines, IA1942768023
  10. Madison Albert, ARNPWaverly, IA1043945645

Common questions

What is Colleen Bridget Byrnes, ARNP's NPI number?

Colleen Bridget Byrnes, ARNP's National Provider Identifier (NPI) is 1942286422, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Colleen Bridget Byrnes, ARNP located?

The NPPES record lists a practice address at 620 N 8TH St, Osage, IA, 50461. Phone: (641) 732-6100. Providers update this record themselves, so call before visiting.

How can I verify Colleen Bridget Byrnes, ARNP's license?

NPPES lists Iowa license number A099600, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Colleen Bridget Byrnes, ARNP prescribe under Medicare Part D?

In 2024, Colleen Bridget Byrnes, ARNP had 4,681 Medicare Part D claims for 334 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.