Katelyn Jo Larsen, MD
Family Medicine Physician · Tomahawk, WI
Katelyn Jo Larsen, MD is a family medicine physician with a practice address in Tomahawk, Wisconsin, and NPI 1548963424, issued on Mar 22, 2023. Check the license (Wisconsin 8764420, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Katelyn Jo Larsen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 8764420 WI
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Mohawk Dr, Tomahawk, WI 54487
- Phone
- (715) 453-7200
- Enumerated
- Mar 22, 2023
- Record last updated
- Aug 3, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 401 W Mohawk Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Alft, PAPhysician Assistant1255998472
- Ronald Cortte, MDFamily Medicine Physician1235179946
- Eric Dichsen, MDFamily Medicine Physician1922053990
- Eileen Emond, SLPSpeech-Language Pathologist1194396937
- Mia Hoveland, DPTPhysical Therapist1942193693
- Joshua Ice, LATAthletic Trainer1083679575
Verify Katelyn Jo Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 8764420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
200 Medicare Part D claims for 68 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Pantoprazole Sodium12 claims
- Prednisone12 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.
Katelyn Jo Larsen among 3,765 family medicine physician records in Wisconsin
Katelyn Jo Larsen, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Tomahawk
They are 4 of the 86 NPPES records with a practice address in Tomahawk, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Tomahawk → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Cortte, MDTomahawk, WI 544871235179946
- Eric Dichsen, MDTomahawk, WI 544871922053990
- Victor Ierulli, MDTomahawk, WI 544871982650818
- Troy Schrock, DOUnity, WI 544881285699785
- Timothy Golemgeski, MDStratford, WI 544841497141352
- Robyn Gilbertson, M.D.Stevens Point, WI 544821407148349
- Katharina Hahn, MDStevens Point, WI 544821841345667
- David Holz, MDStevens Point, WI 544821447341094
Common questions
What is Katelyn Jo Larsen, MD's NPI number?
Katelyn Jo Larsen, MD's National Provider Identifier (NPI) is 1548963424, issued on Mar 22, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Jo Larsen, MD located?
The NPPES record lists a practice address at 401 W Mohawk Dr, Tomahawk, WI, 54487. Phone: (715) 453-7200. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Jo Larsen, MD's license?
NPPES lists Wisconsin license number 8764420, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katelyn Jo Larsen, MD prescribe under Medicare Part D?
In 2024, Katelyn Jo Larsen, MD had 200 Medicare Part D claims for 68 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.