Crystal J. Dillett, NP
Nurse Practitioner · Lake Geneva, WI
Crystal J. Dillett, NP is a nurse practitioner with a practice address in Lake Geneva, Wisconsin, and NPI 1033593918, issued on Jul 10, 2015. Check the license (Wisconsin 6443, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Crystal J. Dillett
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 6443 WI
Self-reported in NPPES; status is on the state search - Practice location
- 146 E Geneva SQ, Lake Geneva, WI 53147
- Phone
- (262) 939-5459
- Enumerated
- Jul 10, 2015
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 100047118 WI
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 146 E Geneva SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary Allegretti, MDFamily Medicine Physician1952807554
- Nancy Asencio, APNPNurse Practitioner1962410530
- Austin Bacchus, M.D.Family Medicine Physician1225258171
- Ellen Barnstable, MDDermatology Physician1053948562
- Justine Benin, D.O.Family Medicine Physician1942541362
- Shashi Bhushan, MDInternal Medicine Physician1689774101
Verify Crystal J. Dillett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
65 Medicare Part D claims for 26 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Metoprolol Succinate19 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.
Crystal J. Dillett among 3,995 nurse practitioner records in Wisconsin
Crystal J. Dillett, NP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 46% of them.
- NPI issued2015 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2021 · 41% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 nurse practitioner records list a practice address in Lake Geneva
They are 20 of the 366 NPPES records with a practice address in Lake Geneva, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Lake Geneva → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Nancy Asencio, APNPLake Geneva, WI 531471962410530
- Erin Bauman, NURSE PRACTITIONERLake Geneva, WI 531471740703263
- Christina Clancy, C.N.P.Lake Geneva, WI 531471679017925
- Marina DeatherageLake Geneva, WI 531471538706858
- Amanda Farrell, APRNLake Geneva, WI 531471124451414
- Ellen Follett, NPLake Geneva, WI 531471326683665
- Courtney Hlavinka, APNPLake Geneva, WI 531471861685539
- Joann Kiemen, NPLake Geneva, WI 531471194918698
Common questions
What is Crystal J. Dillett, NP's NPI number?
Crystal J. Dillett, NP's National Provider Identifier (NPI) is 1033593918, issued on Jul 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Crystal J. Dillett, NP located?
The NPPES record lists a practice address at 146 E Geneva SQ, Lake Geneva, WI, 53147. Phone: (262) 939-5459. Providers update this record themselves, so call before visiting.
How can I verify Crystal J. Dillett, NP's license?
NPPES lists Wisconsin license number 6443, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Crystal J. Dillett, NP prescribe under Medicare Part D?
In 2024, Crystal J. Dillett, NP had 65 Medicare Part D claims for 26 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.