NPPES file of Aug 9, 2026

Mackenzie Lynn Carlson, ARNP

Nurse Practitioner · Humboldt, IA

Mackenzie Lynn Carlson, ARNP is a nurse practitioner with a practice address in Humboldt, Iowa, and NPI 1558953059, issued on Feb 5, 2021. Check the license (Iowa A162658, as entered in NPPES) with the Iowa 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
1558953059
Name
Mackenzie Lynn Carlson
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
A162658 IA
2020169468 IA
Self-reported in NPPES; status is on the state search
Practice location
1000 15TH St N, Humboldt, IA 50548
Phone
(515) 332-4200
Enumerated
Feb 5, 2021
Record last updated
May 1, 2025
Medicare enrollment
Enrolled (PECOS I20210315000540); 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 1000 15TH St N

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

  1. Riley Anderson, PT, DPT, ATCPhysical Therapist1851025894
  2. Jennifer Dewinter, RN, CDEDiabetes Educator Registered Nurse1265073480
  3. Megan Douglas, TLMHCMental Health Counselor1689402505
  4. Larry Hall, R.PH.Pharmacist1902140817
  5. Nicole Lee, ARNP, FNP, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1851852826
  6. Morgan Lyons, ARNPNurse Practitioner1689082976

Verify Mackenzie Lynn Carlson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license A162658    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
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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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81% fewer Medicare Part D claims than the average nurse practitioner in 2024

206 Medicare Part D claims for 121 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Mackenzie Carlson206
  2. Specialty average1,109

Most prescribed

  1. Prednisone38 claims
  2. Amoxicillin-Clavulanate Potass31 claims
  3. Nitrofurantoin Mono-Macro14 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.

One hospital affiliation

  1. Humboldt County Memorial HospitalHumboldt, IA · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

5 nurse practitioner records list a practice address in Humboldt

They are 5 of the 53 NPPES records with a practice address in Humboldt, and 1,294 nurse practitioner records in Iowa.

All 5 in Humboldt → All 1,294 in Iowa → Every provider in Humboldt →

Other nurse practitioner records in Iowa

  1. Omar AcevizDavenport, IA1215655568
  2. Jennifer AchenbachCouncil Bluffs, IA1013967280
  3. Elizabeth Ackerson, ARNPWaterloo, IA1225485097
  4. Anece Adam, ARNPIowa City, IA1346814779
  5. Debra Adams, ARNPFort Dodge, IA1659659324
  6. Kathleen Adams, ARNPDes Moines, IA1073500690
  7. Madison Adank, FNP-BCDavenport, IA1376258905
  8. Lindsey Aeschliman, ARNPWest Des Moines, IA1770866642
  9. Christina Aguilar, ARNPDes Moines, IA1942768023
  10. Madison Albert, ARNPWaverly, IA1043945645

Common questions

What is Mackenzie Lynn Carlson, ARNP's NPI number?

Mackenzie Lynn Carlson, ARNP's National Provider Identifier (NPI) is 1558953059, issued on Feb 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie Lynn Carlson, ARNP located?

The NPPES record lists a practice address at 1000 15TH St N, Humboldt, IA, 50548. Phone: (515) 332-4200. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie Lynn Carlson, ARNP's license?

NPPES lists Iowa license number A162658, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Mackenzie Lynn Carlson, ARNP prescribe under Medicare Part D?

In 2024, Mackenzie Lynn Carlson, ARNP had 206 Medicare Part D claims for 121 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.