Registry data as of Aug 27, 2026

Kimberly Larson, ARNP

Family Medicine Physician · Mason City, IA

Kimberly Larson, ARNP is a family medicine physician with a practice address in Mason City, Iowa, and NPI 1689680183, issued on Aug 1, 2006. Check the license (Iowa A-054781, as entered in NPPES) on the Iowa Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1689680183
Name
Kimberly Larson
Credential
ARNP
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A-054781 IA
Self-reported in NPPES; status is on the state search
Practice location
1421 4TH St SW, Mason City, IA 50401
Phone
(641) 428-2080
Enumerated
Aug 1, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1421 4TH St SW

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

  1. James Karkos, MDDermatology Physician1659475382
  2. Heather Lamb, PA-CPhysician Assistant1174510838
  3. Yen Chen Liu, MDDermatology Physician1316269160
  4. Carrissa Riggs, PAPhysician Assistant1750913406
  5. Laura Thorson, PAPhysician Assistant1801459730
  6. Claire Williams, PAStudent in an Organized Health Care Education/Training Program1629719737

Verify Kimberly Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license A-054781
    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
Open the Iowa 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.

61 family medicine physician records list a Mason City practice address

They are 61 of the 866 NPPES records with a Mason City practice address, and 2,300 family medicine physician records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Nesrin Abu Ata, M.D.Sioux City, IA1528297660

Common questions

What is Kimberly Larson, ARNP's NPI number?

Kimberly Larson, ARNP's National Provider Identifier (NPI) is 1689680183, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kimberly Larson, ARNP located?

The NPPES record lists a practice address at 1421 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-2080. Providers update this record themselves, so call before visiting.

How can I verify Kimberly Larson, ARNP's license?

NPPES lists Iowa license number A-054781, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.