NPPES file of Aug 9, 2026

Joyce Ruth Cornwell, ARNP

Nurse Practitioner · Onawa, IA

Joyce Ruth Cornwell, ARNP is a nurse practitioner with a practice address in Onawa, Iowa, and NPI 1134187305, issued on May 3, 2006. Check the license (Iowa A100852, 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
1134187305
Name
Joyce Ruth Cornwell
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
A100852 IA
110134 NE
21696-MULTI STATE NE
Self-reported in NPPES; status is on the state search
Practice location
1600 Diamond St, Onawa, IA 51040
Phone
(712) 423-2231
Enumerated
May 3, 2006
Record last updated
Mar 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(712) 423-3500
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.
Download card Updates feed

Also registered at 1600 Diamond St

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

  1. Kathrine Anderson, LISWClinical Social Worker1700029998
  2. Ashraf Gerges, M.D.Family Medicine Physician1003874264
  3. Ciera Gossage, CIERA GOSSAGE, RNRegistered Nurse1992499933
  4. Michele Kirkendall, RDRegistered Dietitian1568689412
  5. Ann Phillips, RDRegistered Dietitian1770700569
  6. Jennifer Skaff, LMSWMental Health Counselor1144754136

Verify Joyce Ruth Cornwell 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 A100852    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% fewer Medicare Part D claims than the average nurse practitioner in 2024

381 Medicare Part D claims for 138 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Joyce Cornwell381
  2. Specialty average1,109

Most prescribed

  1. Omeprazole15 claims
  2. Amlodipine Besylate13 claims
  3. Albuterol Sulfate Hfa12 claims
  4. Metoprolol Succinate12 claims
  5. Potassium Chloride12 claims
  6. Losartan Potassium11 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: $9.61

1 payment: food and beverage; the largest payer was Kerecis Limited. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joyce Cornwell$9.61
  2. Specialty average$791.64

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

1 nurse practitioner records list a practice address in Onawa

They are 1 of the 47 NPPES records with a practice address in Onawa, and 1,294 nurse practitioner records in Iowa.

All 1,294 in Iowa → Every provider in Onawa →

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 Joyce Ruth Cornwell, ARNP's NPI number?

Joyce Ruth Cornwell, ARNP's National Provider Identifier (NPI) is 1134187305, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joyce Ruth Cornwell, ARNP located?

The NPPES record lists a practice address at 1600 Diamond St, Onawa, IA, 51040. Phone: (712) 423-2231. Providers update this record themselves, so call before visiting.

How can I verify Joyce Ruth Cornwell, ARNP's license?

NPPES lists Iowa license number A100852, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Joyce Ruth Cornwell, ARNP prescribe under Medicare Part D?

In 2024, Joyce Ruth Cornwell, ARNP had 381 Medicare Part D claims for 138 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.