Melissa Clark, ARNP
Nurse Practitioner · Waterloo, IA
Melissa Clark, ARNP is a nurse practitioner with a practice address in Waterloo, Iowa, and NPI 1902084858, issued on Feb 2, 2008. Check the license (Iowa A174388, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Clark
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A174388 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3421 W 9TH St, Waterloo, IA 50702
- Phone
- (319) 272-8200
- Enumerated
- Feb 2, 2008
- Record last updated
- May 30, 2023
- Medicaid ID
- 0074435 IA
- Medicare enrollment
- Enrolled (PECOS I20230705000395); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 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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- Sidrah Abid, MDInternal Medicine Physician1497161830
- Elizabeth Ackerson, ARNPNurse Practitioner1225485097
- Eman Al-Selmie, M.D.Family Medicine Physician1588006613
- Brittany Amaya, RDN, LDRegistered Dietitian1487191359
- Rachel Amling, ARNPGerontology Nurse Practitioner1508522533
Verify Melissa Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A174388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average nurse practitioner in 2024
107 Medicare Part D claims for 38 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol21 claims
- Dotti15 claims
- Clobetasol Propionate12 claims
- Progesterone12 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: $98.90
5 payments; by number, the most common kind was food and beverage; the largest payer was Exeltis, USA Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Covenant Medical Center IncCedar Falls, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Clark among 1,294 nurse practitioner records in Iowa
Melissa Clark, 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 2008, is newer than 27% of them.
- NPI issued2008 · 27% of these records are older, 72% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · median 2018 among the 873 with a school on file
- Record last updated2023 · 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).
96 nurse practitioner records list a practice address in Waterloo
They are 96 of the 1,512 NPPES records with a practice address in Waterloo, and 1,294 nurse practitioner records in Iowa.
All 1,294 in Iowa → Every provider in Waterloo → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Elizabeth Ackerson, ARNPWaterloo, IA 507021225485097
- Fatima Begic, ARNPWaterloo, IA 507021972372159
- Patricia Bischoff, ARNPWaterloo, IA 507021467440792
- Natalie Bloom, ARNP, FNP-CWaterloo, IA 507021770171076
- Chelsea Christensen, ARNPWaterloo, IA 507021356987416
- Erin Flores, ARNPWaterloo, IA 507021336436674
- Brittney Heims, ARNP, FNP-BCWaterloo, IA 507021316688500
- John Kelly, FNP-BCWaterloo, IA 507021467017921
Common questions
What is Melissa Clark, ARNP's NPI number?
Melissa Clark, ARNP's National Provider Identifier (NPI) is 1902084858, issued on Feb 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Clark, ARNP located?
The NPPES record lists a practice address at 3421 W 9TH St, Waterloo, IA, 50702. Phone: (319) 272-8200. Providers update this record themselves, so call before visiting.
How can I verify Melissa Clark, ARNP's license?
NPPES lists Iowa license number A174388, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Clark, ARNP prescribe under Medicare Part D?
In 2024, Melissa Clark, ARNP had 107 Medicare Part D claims for 38 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.