Margaret Elizabeth Kareus, FNP
Family Nurse Practitioner · Fort Collins, CO
Margaret Elizabeth Kareus, FNP is a family nurse practitioner with a practice address in Fort Collins, Colorado, and NPI 1295455160, issued on Aug 31, 2022. Check the license (Colorado APN.0997779-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Elizabeth Kareus
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- APN.0997779-NP CO
Self-reported in NPPES; status is on the state search - Practice location
- 1106 E Prospect RD Ste 100, Fort Collins, CO 80525
- Phone
- (970) 495-7410
- Enumerated
- Aug 31, 2022
- Record last updated
- Dec 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20221208002270); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →
Also registered at 1106 E Prospect RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Elizabeth Kareus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license APN.0997779-NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average family nurse practitioner in 2024
863 Medicare Part D claims for 125 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Levothyroxine Sodium40 claims
- Amlodipine Besylate31 claims
- Mirtazapine28 claims
- Buspirone Hcl27 claims
- Eliquis27 claims
- Lisinopril24 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
- Poudre Valley Medical Group LLCCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Elizabeth Kareus among 3,492 family nurse practitioner records in Colorado
Margaret Elizabeth Kareus, FNP is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% 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 73% of them.
- NPI issued2022 · 73% of these records are older, 22% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2022 · median 2019 among the 1,950 with a school on file
- Record last updated2023 · 37% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 family nurse practitioner records list a practice address in Fort Collins
They are 155 of the 6,928 NPPES records with a practice address in Fort Collins, and 3,492 family nurse practitioner records in Colorado.
All 3,492 in Colorado → Every provider in Fort Collins → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Michael Beck-Gifford, NPFort Collins, CO 805251174596282
- Nancy Butcher, NPFort Collins, CO 805251174723415
- Lindsay Conway, FNP-BCFort Collins, CO 805251861739757
- Shari Detterer, F.N.P.-C.Fort Collins, CO 805251376511584
- Sheri Deuto, FNPFort Collins, CO 805251124426697
- Mindy Geraets, MSN, FNPFort Collins, CO 805251912135229
- Carol Gotham, NPFort Collins, CO 805251396770871
- Jennifer Harrison, FNP, BS, BSN, RNFort Collins, CO 805251154735827
Common questions
What is Margaret Elizabeth Kareus, FNP's NPI number?
Margaret Elizabeth Kareus, FNP's National Provider Identifier (NPI) is 1295455160, issued on Aug 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Elizabeth Kareus, FNP located?
The NPPES record lists a practice address at 1106 E Prospect RD Ste 100, Fort Collins, CO, 80525. Phone: (970) 495-7410. Providers update this record themselves, so call before visiting.
How can I verify Margaret Elizabeth Kareus, FNP's license?
NPPES lists Colorado license number APN.0997779-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Elizabeth Kareus, FNP prescribe under Medicare Part D?
In 2024, Margaret Elizabeth Kareus, FNP had 863 Medicare Part D claims for 125 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.