Clayton John Merritt, ARNP
Family Nurse Practitioner · Corydon, IA
Clayton John Merritt, ARNP is a family nurse practitioner with a practice address in Corydon, Iowa, and NPI 1801484266, issued on Jan 1, 2021. Check the license (Iowa A161825, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clayton John Merritt
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A161825 IA
Self-reported in NPPES; status is on the state search - Practice location
- 417 S East St, Corydon, IA 50060
- Phone
- (641) 872-2260
- Enumerated
- Jan 1, 2021
- Record last updated
- Jan 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210201000382); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 417 S East St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emmy Davis, CNMAdvanced Practice Midwife1609174002
- Angela Downs, MSN, ARNP, FNP-CFamily Nurse Practitioner1649880451
- Shehada Homedan, M.D.Orthopaedic Surgery Physician1760638852
Verify Clayton John Merritt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A161825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family nurse practitioner in 2024
516 Medicare Part D claims for 169 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 45 claims were for opioids.
Most prescribed
- Cefdinir32 claims
- Prednisone32 claims
- Hydrocodone-Acetaminophen23 claims
- Azithromycin21 claims
- Furosemide16 claims
- Pantoprazole Sodium13 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.
One hospital affiliation
- Wayne County HospitalCorydon, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Clayton John Merritt among 1,971 family nurse practitioner records in Iowa
Clayton John Merritt, ARNP is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 25% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2018 among the 1,398 with a school on file
- Record last updated2021 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family nurse practitioner records list a practice address in Corydon
They are 3 of the 42 NPPES records with a practice address in Corydon, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Corydon → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Angela Downs, MSN, ARNP, FNP-CCorydon, IA 500601649880451
- Chelsea Miller, ARNPCorydon, IA 500601295071967
- Alexandra Jansen, DNPCumming, IA 500611720469976
- Mary Murphy, ARNPCumming, IA 500611487729265
- Jill Schmidt, ARNPDallas Center, IA 500631134200280
- Laura Stensland, ARNPColo, IA 500561386390706
- Susanne Goodlaxson Landgrebe, ARNP, FNP-CColfax, IA 500541275538886
- Sally StanleyClio, IA 500521164515912
Common questions
What is Clayton John Merritt, ARNP's NPI number?
Clayton John Merritt, ARNP's National Provider Identifier (NPI) is 1801484266, issued on Jan 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Clayton John Merritt, ARNP located?
The NPPES record lists a practice address at 417 S East St, Corydon, IA, 50060. Phone: (641) 872-2260. Providers update this record themselves, so call before visiting.
How can I verify Clayton John Merritt, ARNP's license?
NPPES lists Iowa license number A161825, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Clayton John Merritt, ARNP prescribe under Medicare Part D?
In 2024, Clayton John Merritt, ARNP had 516 Medicare Part D claims for 169 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.
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.