Cassandra M. Zimmerman, DNP, ARNP
Primary Care Nurse Practitioner · Marion, IA
Cassandra M. Zimmerman, DNP, ARNP is a primary care nurse practitioner with a practice address in Marion, Iowa, and NPI 1649922410, issued on Jan 24, 2022. Check the license (Iowa A166238, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassandra M. Zimmerman
- Credential
- DNP, ARNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- A166238 IA
Self-reported in NPPES; status is on the state search - Practice location
- Unitypoint Clinic Family Medicine Tower Terrace, Marion, IA 52302
- Phone
- (319) 206-7370
- Enumerated
- Jan 24, 2022
- Record last updated
- Oct 1, 2024
- Fax
- (319) 730-9501
- Medicare enrollment
- Enrolled (PECOS I20220324000756); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 61 in Iowa → Look up another NPI →
Verify Cassandra M. Zimmerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A166238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average primary care nurse practitioner in 2024
2,520 Medicare Part D claims for 202 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 102 claims were for opioids.
Most prescribed
- Levothyroxine Sodium129 claims
- Atorvastatin Calcium104 claims
- Omeprazole97 claims
- Gabapentin86 claims
- Lisinopril78 claims
- Amlodipine Besylate70 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
- Iowa Physicians Clinic Medical FoundationCedar Rapids, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra M. Zimmerman among 61 primary care nurse practitioner records in Iowa
Cassandra M. Zimmerman, DNP, ARNP is one of 61 primary care nurse practitioner records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 61% of them.
- NPI issued2022 · 61% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2021 among the 43 with a school on file
- Record last updated2024 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Iowa
There are 61 primary care nurse practitioner records in Iowa.
All 61 in Iowa → Every provider in Marion → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Stephanie Huyck, DNP, ARNP, FNP-CNorth English, IA 523161619649209
- Nicole MiltonSpringville, IA 523361962120345
- Bobbie Monahan, DNPIowa City, IA 522421801314836
- Lynnette Smith, AGNPIowa City, IA 522401194357830
- Erin Swailes, ARNPHiawatha, IA 522331932192390
- Theresa Hallengren, ARNP-FNP-BCCedar Rapids, IA 524021861161267
- Katherine Folkerts, DNP, FNP-C, PMHNP-CCedar Rapids, IA 524031841008034
- Jennifer Hutchinson, DNP, ARNPWest Union, IA 521751538699806
Common questions
What is Cassandra M. Zimmerman, DNP, ARNP's NPI number?
Cassandra M. Zimmerman, DNP, ARNP's National Provider Identifier (NPI) is 1649922410, issued on Jan 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra M. Zimmerman, DNP, ARNP located?
The NPPES record lists a practice address at Unitypoint Clinic Family Medicine Tower Terrace, Marion, IA, 52302. Phone: (319) 206-7370. Providers update this record themselves, so call before visiting.
How can I verify Cassandra M. Zimmerman, DNP, ARNP's license?
NPPES lists Iowa license number A166238, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Cassandra M. Zimmerman, DNP, ARNP prescribe under Medicare Part D?
In 2024, Cassandra M. Zimmerman, DNP, ARNP had 2,520 Medicare Part D claims for 202 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.