NPPES file of Aug 9, 2026

Karmen Dayhuff, NP

Family Nurse Practitioner · Bloomington, IN

Karmen Dayhuff, NP is a family nurse practitioner with a practice address in Bloomington, Indiana, and NPI 1225437312, issued on Aug 14, 2014. Check the license (Indiana 71005054A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225437312
Name
Karmen Dayhuff
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
71005054A IN
Self-reported in NPPES; status is on the state search
Practice location
5921 W State Road 46, Bloomington, IN 47404
Phone
(812) 935-8866
Enumerated
Aug 14, 2014
Record last updated
Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(812) 935-8860
Medicare enrollment
Enrolled (PECOS I20140822002398); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5921 W State Road 46

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Heather Dickerson, NPFamily Nurse Practitioner1093599276
  2. Lauren Hardisty, M.D.Internal Medicine Physician1316107766
  3. Penny Hobson, MSN, APRN, NP-CFamily Nurse Practitioner1184378432
  4. Austin Nielsen, MDFamily Medicine Physician1639631831
  5. Leeann Roberts, NPFamily Nurse Practitioner1831710581
  6. Jennifer Winders, MDFamily Medicine Physician1922002898

Verify Karmen Dayhuff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 71005054A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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56% more Medicare Part D claims than the average family nurse practitioner in 2024

2,041 Medicare Part D claims for 651 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 87 claims were for opioids.

  1. Karmen Dayhuff2,041
  2. Specialty average1,305

Most prescribed

  1. Doxycycline Hyclate108 claims
  2. Amoxicillin-Clavulanate Potass82 claims
  3. Prednisone80 claims
  4. Atorvastatin Calcium70 claims
  5. Amlodipine Besylate56 claims
  6. Azithromycin53 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

  1. Indiana University Health Southern Indiana Physicians LLCBloomington, IN
  2. IU Health Medical Group LLCIndianapolis, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karmen Dayhuff among 5,867 family nurse practitioner records in Indiana

Karmen Dayhuff, NP is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 25% of them.

  • NPI issued2014 · 25% of these records are older, 71% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2014 · median 2018 among the 3,953 with a school on file
  • Record last updated2020 · 33% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

125 family nurse practitioner records list a practice address in Bloomington

They are 125 of the 3,287 NPPES records with a practice address in Bloomington, and 5,867 family nurse practitioner records in Indiana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Cerina Cunningham, NPBloomington, IN 474041255939484
  2. Heather Dickerson, NPBloomington, IN 474041093599276
  3. Stacey EnglandBloomington, IN 474041205160975
  4. Kendra GriggsBloomington, IN 474041336968262
  5. Carrie Hines, NPBloomington, IN 474041386877413
  6. Penny Hobson, MSN, APRN, NP-CBloomington, IN 474041184378432
  7. Casey Hood, APRN, MSN, FNP-CBloomington, IN 474041447883517
  8. Cynthia Mann, FNP-CBloomington, IN 474041912375213

Common questions

What is Karmen Dayhuff, NP's NPI number?

Karmen Dayhuff, NP's National Provider Identifier (NPI) is 1225437312, issued on Aug 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Karmen Dayhuff, NP located?

The NPPES record lists a practice address at 5921 W State Road 46, Bloomington, IN, 47404. Phone: (812) 935-8866. Providers update this record themselves, so call before visiting.

How can I verify Karmen Dayhuff, NP's license?

NPPES lists Indiana license number 71005054A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Karmen Dayhuff, NP prescribe under Medicare Part D?

In 2024, Karmen Dayhuff, NP had 2,041 Medicare Part D claims for 651 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.