Sandra Arens, MSN RN
Family Nurse Practitioner · Elkhorn, WI
Sandra Arens, MSN RN is a family nurse practitioner with a practice address in Elkhorn, Wisconsin, and NPI 1528318870, issued on Sep 13, 2012. Check the license (Wisconsin 6012-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra Arens
- Credential
- MSN RN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 6012-33 WI
159880-030 WI
Self-reported in NPPES; status is on the state search - Practice location
- 100 S Washington St, Elkhorn, WI 53121
- Phone
- (608) 201-1110
- Enumerated
- Sep 13, 2012
- Record last updated
- Oct 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 100 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kamal Muzaffar, MDFamily Medicine Physician1174599500
Verify Sandra Arens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6012-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average family nurse practitioner in 2024
657 Medicare Part D claims for 75 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Divalproex Sodium90 claims
- Buspirone Hcl62 claims
- Quetiapine Fumarate55 claims
- Sertraline Hcl55 claims
- Olanzapine46 claims
- Vraylar37 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.
Sandra Arens among 2,814 family nurse practitioner records in Wisconsin
Sandra Arens, MSN RN is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 23% of them.
- NPI issued2012 · 23% of these records are older, 74% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 42% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Nurse Practitioner providers in Wisconsin
There are 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Elkhorn → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Susan Egan, MSN,FNP-CElkhorn, WI 531211093898645
- Kelly Brendel, FNP-BCEast Troy, WI 531201407269236
- Marilynn Klemstein, NPElm Grove, WI 531221316377294
- Lisa Wang, APRN, FNPDelavan, WI 531151689000911
- Colleen Fraley, APNPGreendale, WI 531291861849820
- Samantha Khundmiri, RN, APNPGreendale, WI 531291104402361
- Erin Rafalow, NPHales Corners, WI 531301245114792
- Ellayna Dzenzeol, APNP, FNP-CCudahy, WI 531101912721465
Common questions
What is Sandra Arens, MSN RN's NPI number?
Sandra Arens, MSN RN's National Provider Identifier (NPI) is 1528318870, issued on Sep 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Arens, MSN RN located?
The NPPES record lists a practice address at 100 S Washington St, Elkhorn, WI, 53121. Phone: (608) 201-1110. Providers update this record themselves, so call before visiting.
How can I verify Sandra Arens, MSN RN's license?
NPPES lists Wisconsin license number 6012-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra Arens, MSN RN prescribe under Medicare Part D?
In 2024, Sandra Arens, MSN RN had 657 Medicare Part D claims for 75 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.