NPPES file of Aug 9, 2026

Gayla Marie Davis, MSN, ARNP, FNP-BC

Family Nurse Practitioner · Oelwein, IA

Gayla Marie Davis, MSN, ARNP, FNP-BC is a family nurse practitioner with a practice address in Oelwein, Iowa, and NPI 1033567375, issued on May 26, 2016. Check the license (Iowa A114118, 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
1033567375
Name
Gayla Marie Davis
Credential
MSN, ARNP, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A114118 IA
Self-reported in NPPES; status is on the state search
Practice location
129 8TH Ave SE, Oelwein, IA 50662
Phone
(319) 283-6153
Enumerated
May 26, 2016
Record last updated
May 26, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(319) 283-6151
Medicare enrollment
Enrolled (PECOS I20160816000268); 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 129 8TH Ave SE

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

  1. Michael Atherley, PA-CPhysician Assistant1801837323
  2. Roxanne Lenz, ARNPFamily Nurse Practitioner1578845301
  3. Sara Shaffer, ARNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1033895867
  4. Kristi Steinbronn, ARNPFamily Nurse Practitioner1831624253

Verify Gayla Marie Davis 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 A114118    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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3.6 times the Medicare Part D claims of the average family nurse practitioner in 2024

4,674 Medicare Part D claims for 282 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 98 claims were for opioids.

  1. Gayla Davis4,674
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium195 claims
  2. Levothyroxine Sodium193 claims
  3. Lisinopril163 claims
  4. Omeprazole163 claims
  5. Amlodipine Besylate141 claims
  6. Losartan Potassium141 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. Covenant Medical Center IncOelwein, IA

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

5 family nurse practitioner records list a practice address in Oelwein

They are 5 of the 58 NPPES records with a practice address in Oelwein, and 1,971 family nurse practitioner records in Iowa.

All 5 in Oelwein → All 1,971 in Iowa → Every provider in Oelwein →

Other family nurse practitioner records in Iowa

  1. Lynne AbbottCedar Rapids, IA1699357277
  2. Amina AbdullahCedar Rapids, IA1598420747
  3. Brandon Abel, DNPIowa City, IA1043160674
  4. Andrea AchenbachIowa City, IA1881975910
  5. Rachel Ackerman, NPSheldon, IA1275124372
  6. Tonia Ackerman, ARNPPleasant Hill, IA1932142692
  7. Rachel Adams, NPDes Moines, IA1013662485
  8. Abdullahi Ahmed, AGPCNPDes Moines, IA1336924836
  9. Caitlyn Al-Ostaz, DNP FNP-CIowa City, IA1457188740
  10. Alaa Al-Talla, ARNPWaverly, IA1396592291

Common questions

What is Gayla Marie Davis, MSN, ARNP, FNP-BC's NPI number?

Gayla Marie Davis, MSN, ARNP, FNP-BC's National Provider Identifier (NPI) is 1033567375, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gayla Marie Davis, MSN, ARNP, FNP-BC located?

The NPPES record lists a practice address at 129 8TH Ave SE, Oelwein, IA, 50662. Phone: (319) 283-6153. Providers update this record themselves, so call before visiting.

How can I verify Gayla Marie Davis, MSN, ARNP, FNP-BC's license?

NPPES lists Iowa license number A114118, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Gayla Marie Davis, MSN, ARNP, FNP-BC prescribe under Medicare Part D?

In 2024, Gayla Marie Davis, MSN, ARNP, FNP-BC had 4,674 Medicare Part D claims for 282 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.