Joseph Christopher Arnold, ARNP
Family Nurse Practitioner · Waterloo, IA
Joseph Christopher Arnold, ARNP is a family nurse practitioner with a practice address in Waterloo, Iowa, and NPI 1750954111, issued on Jul 22, 2021. Check the license (Iowa A164307, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Christopher Arnold
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- A164307 IA
69397 ID
Self-reported in NPPES; status is on the state search - Practice location
- 3421 W 9TH St, Waterloo, IA 50702
- Phone
- (319) 272-8000
- Enumerated
- Jul 22, 2021
- Record last updated
- Dec 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20220804003039); 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 3421 W 9TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brittany Amaya, RDN, LDRegistered Dietitian1487191359
- Rachel Amling, ARNPGerontology Nurse Practitioner1508522533
Verify Joseph Christopher Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A164307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
177 Medicare Part D claims for 115 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 32 claims were for opioids.
Most prescribed
- Ondansetron Odt29 claims
- Hydrocodone-Acetaminophen25 claims
- Eliquis13 claims
- Cephalexin12 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
- Waterloo Emergency Physicians, LLCWaterloo, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Christopher Arnold among 1,971 family nurse practitioner records in Iowa
Joseph Christopher Arnold, 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
- Graduated2021 · median 2018 among the 1,398 with a school on file
- Record last updated2022 · 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).
66 family nurse practitioner records list a practice address in Waterloo
They are 66 of the 1,512 NPPES records with a practice address in Waterloo, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Waterloo → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cortney Corson, ARNPWaterloo, IA 507021053794305
- Melissa Groeneveld, ARNPWaterloo, IA 507021851671192
- Michelle Kunkle, ARNPWaterloo, IA 507021376779090
- Melissa Lawson, ARNPWaterloo, IA 507021295972859
- Jennifer Lucas, ARNPWaterloo, IA 507021275776841
- Toni Luck, ARNPWaterloo, IA 507021649611567
- Tiffany McEwan, ARNPWaterloo, IA 507021972985232
- Meagan Menken, ARNPWaterloo, IA 507021043567514
Common questions
What is Joseph Christopher Arnold, ARNP's NPI number?
Joseph Christopher Arnold, ARNP's National Provider Identifier (NPI) is 1750954111, issued on Jul 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Christopher Arnold, ARNP located?
The NPPES record lists a practice address at 3421 W 9TH St, Waterloo, IA, 50702. Phone: (319) 272-8000. Providers update this record themselves, so call before visiting.
How can I verify Joseph Christopher Arnold, ARNP's license?
NPPES lists Iowa license number A164307, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Christopher Arnold, ARNP prescribe under Medicare Part D?
In 2024, Joseph Christopher Arnold, ARNP had 177 Medicare Part D claims for 115 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.