Antoinette Kathleen Martz, ARNP
Nurse Practitioner · Dayton, IA
Antoinette Kathleen Martz, ARNP is a nurse practitioner with a practice address in Dayton, Iowa, and NPI 1437815016, issued on Nov 9, 2021. Check the license (Iowa A166068, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Antoinette Kathleen Martz
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A166068 IA
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 634, Dayton, IA 50530
- Phone
- (515) 570-8569
- Enumerated
- Nov 9, 2021
- Record last updated
- Dec 15, 2024
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Verify Antoinette Kathleen Martz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A166068Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average nurse practitioner in 2024
286 Medicare Part D claims for 136 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Simvastatin16 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.
Antoinette Kathleen Martz among 1,294 nurse practitioner records in Iowa
Antoinette Kathleen Martz, 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 2021, is newer than 72% of them.
- NPI issued2021 · 72% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2024 · 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).
Nurse Practitioner providers in Iowa
There are 1,294 nurse practitioner records in Iowa.
The 8 nurse practitioner records with the nearest ZIP codes
- Charity Hayes, ARNPEagle Grove, IA 505331124139761
- Carrie Reese, ARNPClarion, IA 505251609437565
- Ruth Metzger, ARNPEmmetsburg, IA 505361518978741
- Carol Pierce, ARNPEmmetsburg, IA 505361225453871
- Juliana Bormann, ARNPBode, IA 505191912797259
- Britta Reimann, FNP-CBancroft, IA 505171235057290
- Mackenzie Carlson, ARNPHumboldt, IA 505481558953059
- Jennifer Forsberg, ARNPHumboldt, IA 505481235771361
Common questions
What is Antoinette Kathleen Martz, ARNP's NPI number?
Antoinette Kathleen Martz, ARNP's National Provider Identifier (NPI) is 1437815016, issued on Nov 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Antoinette Kathleen Martz, ARNP located?
The NPPES record lists a practice address at PO Box 634, Dayton, IA, 50530. Phone: (515) 570-8569. Providers update this record themselves, so call before visiting.
How can I verify Antoinette Kathleen Martz, ARNP's license?
NPPES lists Iowa license number A166068, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Antoinette Kathleen Martz, ARNP prescribe under Medicare Part D?
In 2024, Antoinette Kathleen Martz, ARNP had 286 Medicare Part D claims for 136 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.