Joseph Larson
Family Medicine Physician · Des Moines, IA
Joseph Larson is a family medicine physician with a practice address in Des Moines, Iowa, and NPI 1477968303, issued on Jun 30, 2014. Check the license (Iowa R-10105, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Larson
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R-10105 IA
Self-reported in NPPES; status is on the state search - Practice location
- 840 E University Ave, Des Moines, IA 50316
- Phone
- (515) 265-4211
- Enumerated
- Jun 30, 2014
- Record last updated
- Jun 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (515) 309-5993
- Medicare enrollment
- Enrolled (PECOS I20150908001798); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 840 E University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Beutel, DOFamily Medicine Physician1861386773
- Alexis Block, DOFamily Medicine Physician1174262760
- Michael Bottke, MDFamily Medicine Physician1184513707
- Brooke Bower, DOFamily Medicine Physician1801688692
- Sarah Brines, DOFamily Medicine Physician1336716034
- Maria Paula Castro Reales, MDFamily Medicine Physician1437998473
Verify Joseph Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-10105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,058 Medicare Part D claims for 598 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 230 claims were for opioids.
Most prescribed
- Atorvastatin Calcium660 claims
- Amlodipine Besylate342 claims
- Omeprazole339 claims
- Levothyroxine Sodium302 claims
- Lisinopril298 claims
- Gabapentin233 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
- Trinity Regional Medical CenterFort Dodge, IA · Acute Care Hospitals2 of 5 stars
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). Star ratings are CMS hospital ratings, not ratings of this provider.
Joseph Larson among 2,336 family medicine physician records in Iowa
Joseph Larson is one of 2,336 family medicine physician records with a practice address in Iowa. 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2006 among the 1,367 with a school on file
- Record last updated2014 · 61% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
292 family medicine physician records list a practice address in Des Moines
They are 292 of the 5,538 NPPES records with a practice address in Des Moines, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Des Moines → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Holley Bermel, D.O.Des Moines, IA 503161083804793
- Christopher Champion, DODes Moines, IA 503161316908437
- Jerrold Flatt, DODes Moines, IA 503161073594768
- Corrine Ganske, MDDes Moines, IA 503161710947346
- Anish Keshwani, MDDes Moines, IA 503161093764615
- Brandon Madson, MDDes Moines, IA 503161760441273
- Maria Mitchell, MDDes Moines, IA 503161285693796
- Steven MorrisDes Moines, IA 503161083926414
Common questions
What is Joseph Larson's NPI number?
Joseph Larson's National Provider Identifier (NPI) is 1477968303, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Larson located?
The NPPES record lists a practice address at 840 E University Ave, Des Moines, IA, 50316. Phone: (515) 265-4211. Providers update this record themselves, so call before visiting.
How can I verify Joseph Larson's license?
NPPES lists Iowa license number R-10105, 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.
How much does Joseph Larson prescribe under Medicare Part D?
In 2024, Joseph Larson had 8,058 Medicare Part D claims for 598 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.