Jeffrey Larsen, MD
Internal Medicine Physician · River Falls, WI
Jeffrey Larsen, MD is an internal medicine physician with a practice address in River Falls, Wisconsin, and NPI 1104819622, issued on Aug 30, 2005. Check the license (Wisconsin 37621, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Larsen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 37621 WI
Self-reported in NPPES; status is on the state search - Practice location
- 319 S Main St, River Falls, WI 54022
- Phone
- (715) 425-6701
- Enumerated
- Aug 30, 2005
- Entity
- Type 1 · individual
Also registered at 319 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Atkinson, MDFamily Medicine Physician1497332282
- Elizabeth Francis, PHARMDPharmacist1316781453
- Kurt Helmrick, PAPhysician Assistant1972596476
- Hillary Meyer, CNPRegistered Nurse1871102335
- Amber Morgan, MDPediatrics Physician1447479779
- Benjamin Morgan, MDInternal Medicine Physician1750505913
Verify Jeffrey Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
6,947 Medicare Part D claims for 501 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium594 claims
- Amlodipine Besylate365 claims
- Lisinopril250 claims
- Metoprolol Succinate243 claims
- Levothyroxine Sodium209 claims
- Omeprazole172 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.
Industry payments in 2024: $13.49
1 payment, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospital and facility affiliations
- Allina Health SystemRiver Falls, WI
- Fairview ClinicsRiver Falls, WI
- Fairview Express CareHudson, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Internal Medicine Physician providers in Wisconsin
There are 2,832 internal medicine physician records in Wisconsin.
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Kareem Abdelhadi, MDRice Lake, WI1841494432
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
- Hamza Abdul Majeed, DOMilwaukee, WI1881013282
- Anas Abed, MDMadison, WI1659002566
- Sameem Abedin, MDMilwaukee, WI1063641157
- Vincent Abejuela, DOMilwaukee, WI1356928543
Common questions
What is Jeffrey Larsen, MD's NPI number?
Jeffrey Larsen, MD's National Provider Identifier (NPI) is 1104819622, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Larsen, MD located?
The NPPES record lists a practice address at 319 S Main St, River Falls, WI, 54022. Phone: (715) 425-6701. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Larsen, MD's license?
NPPES lists Wisconsin license number 37621, 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 Jeffrey Larsen, MD prescribe under Medicare Part D?
In 2024, Jeffrey Larsen, MD had 6,947 Medicare Part D claims for 501 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
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.