Theresa Hallengren, ARNP-FNP-BC
Primary Care Nurse Practitioner · Cedar Rapids, IA
Theresa Hallengren, ARNP-FNP-BC is a primary care nurse practitioner with a practice address in Cedar Rapids, Iowa, and NPI 1861161267, issued on Sep 9, 2021. Check the license (Iowa A165492, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Hallengren
- Credential
- ARNP-FNP-BC
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License numbers
- A165492 IA
133979 IA
Self-reported in NPPES; status is on the state search - Practice location
- 5264 Council St NE Ste 100, Cedar Rapids, IA 52402
- Phone
- (319) 221-8444
- Enumerated
- Sep 9, 2021
- Record last updated
- Sep 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211013001118); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 61 in Iowa → Look up another NPI →
Also registered at 5264 Council St NE Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha Pape, ARNP, MSN, FNP-CFamily Nurse Practitioner1134722747
Verify Theresa Hallengren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A165492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
492 Medicare Part D claims for 365 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate82 claims
- Prednisone73 claims
- Cephalexin69 claims
- Amoxicillin-Clavulanate Potass40 claims
- Albuterol Sulfate Hfa23 claims
- Doxycycline Hyclate22 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 2 group practices
- Mercy Care Management, IncCedar Rapids, IA
- Mercy Physician Associates IncHiawatha, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa Hallengren among 61 primary care nurse practitioner records in Iowa
Theresa Hallengren, ARNP-FNP-BC 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 2021, is newer than 43% of them.
- NPI issued2021 · 43% of these records are older, 39% 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 updated2021 · 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 Cedar Rapids → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Katherine Folkerts, DNP, FNP-C, PMHNP-CCedar Rapids, IA 524031841008034
- Nicole MiltonSpringville, IA 523361962120345
- Stephanie Huyck, DNP, ARNP, FNP-CNorth English, IA 523161619649209
- Cassandra Zimmerman, DNP, ARNPMarion, IA 523021649922410
- Rebecca Moore, FNP-CCenterville, IA 525441467051888
- Bobbie Monahan, DNPIowa City, IA 522421801314836
- Lynnette Smith, AGNPIowa City, IA 522401194357830
- Erin Swailes, ARNPHiawatha, IA 522331932192390
Common questions
What is Theresa Hallengren, ARNP-FNP-BC's NPI number?
Theresa Hallengren, ARNP-FNP-BC's National Provider Identifier (NPI) is 1861161267, issued on Sep 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Hallengren, ARNP-FNP-BC located?
The NPPES record lists a practice address at 5264 Council St NE Ste 100, Cedar Rapids, IA, 52402. Phone: (319) 221-8444. Providers update this record themselves, so call before visiting.
How can I verify Theresa Hallengren, ARNP-FNP-BC's license?
NPPES lists Iowa license number A165492, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Hallengren, ARNP-FNP-BC prescribe under Medicare Part D?
In 2024, Theresa Hallengren, ARNP-FNP-BC had 492 Medicare Part D claims for 365 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.