Crystal Wilken, ARNP
Nurse Practitioner · Waterloo, IA
Crystal Wilken, ARNP is a nurse practitioner with a practice address in Waterloo, Iowa, and NPI 1720487838, issued on Aug 14, 2014. Check the license (Iowa A127007, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal Wilken
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A127007 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2515 Cyclone Dr Ste B, Waterloo, IA 50701
- Phone
- (319) 888-8044
- Enumerated
- Aug 14, 2014
- Record last updated
- Feb 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20141017002134); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Also registered at 2515 Cyclone Dr Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Crystal Wilken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A127007Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,041 Medicare Part D claims for 343 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Fluticasone Propionate280 claims
- Azelastine Hcl238 claims
- Metronidazole50 claims
- Montelukast Sodium49 claims
- Cephalexin37 claims
- Ketoconazole32 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: $56.56
3 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences Llc. 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
- Cedar Valley Medical Specialists PCWaverly, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal Wilken among 1,294 nurse practitioner records in Iowa
Crystal Wilken, 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 2014, is newer than 39% of them.
- NPI issued2014 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2018 among the 873 with a school on file
- Record last updated2022 · 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
- Jane Baker, ARNPWaterloo, IA 507011184988610
- Barbara Burkle, ARNPWaterloo, IA 507011588618359
- Ruselle Debonis, ARNPWaterloo, IA 507011275511230
- Tracy Elliott, ARNP, MSNWaterloo, IA 507011588919351
- Holly Gaede, NP-C, FNP-BCWaterloo, IA 507011144416488
- Annette Geary, FNP-BCWaterloo, IA 507011952362683
- Julie Gleason, ARNPWaterloo, IA 507011164726139
- Carrayn Gossman, NPWaterloo, IA 507011316170178
Common questions
What is Crystal Wilken, ARNP's NPI number?
Crystal Wilken, ARNP's National Provider Identifier (NPI) is 1720487838, issued on Aug 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Wilken, ARNP located?
The NPPES record lists a practice address at 2515 Cyclone Dr Ste B, Waterloo, IA, 50701. Phone: (319) 888-8044. Providers update this record themselves, so call before visiting.
How can I verify Crystal Wilken, ARNP's license?
NPPES lists Iowa license number A127007, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal Wilken, ARNP prescribe under Medicare Part D?
In 2024, Crystal Wilken, ARNP had 1,041 Medicare Part D claims for 343 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.