David Kent Larson, M.D.
Family Medicine Physician · Fairfield, IA
David Kent Larson, M.D. is a family medicine physician with a practice address in Fairfield, Iowa, and NPI 1891803508, issued on Aug 25, 2006. Check the license (Iowa 26783, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David Kent Larson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26783 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2000 South Main Street, Fairfield, IA 52556
- Phone
- (641) 472-4141
- Enumerated
- Aug 25, 2006
- Record last updated
- Jul 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 0043570 IA
- Medicare enrollment
- Enrolled (PECOS I20100524000611); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 2000 South Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jim Buck, M.D.Family Medicine Physician1841308533
- Jennifer Howe, M.A., SLPSpeech-Language Pathologist1952684086
- Michael Poole, D.O.Family Medicine Physician1821105537
Verify David Kent Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 26783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average family medicine physician in 2024
6,468 Medicare Part D claims for 497 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 279 claims were for opioids.
Most prescribed
- Atorvastatin Calcium284 claims
- Lisinopril233 claims
- Omeprazole229 claims
- Levothyroxine Sodium183 claims
- Amlodipine Besylate177 claims
- Metoprolol Succinate164 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 64.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Jefferson County HospitalFairfield, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Kent Larson among 2,336 family medicine physician records in Iowa
David Kent Larson, M.D. 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 2006 among the 1,367 with a school on file
- Record last updated2009 · 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).
12 family medicine physician records list a practice address in Fairfield
They are 12 of the 178 NPPES records with a practice address in Fairfield, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Fairfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jim Buck, M.D.Fairfield, IA 525561841308533
- Terry Cochran, M.D.Fairfield, IA 525561053326496
- Richard Curtis, M.D.Fairfield, IA 525561548619356
- Mary Gartin, ARNPFairfield, IA 525561568894731
- Michael Greiner, M.D.Fairfield, IA 525561124133640
- Joni Hanshaw, CRNPFairfield, IA 525561396083531
- Donal Hill, D.O.Fairfield, IA 525561265547053
- Daniel Miller, DOFairfield, IA 525561447273743
Common questions
What is David Kent Larson, M.D.'s NPI number?
David Kent Larson, M.D.'s National Provider Identifier (NPI) is 1891803508, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Kent Larson, M.D. located?
The NPPES record lists a practice address at 2000 South Main Street, Fairfield, IA, 52556. Phone: (641) 472-4141. Providers update this record themselves, so call before visiting.
How can I verify David Kent Larson, M.D.'s license?
NPPES lists Iowa license number 26783, 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 David Kent Larson, M.D. prescribe under Medicare Part D?
In 2024, David Kent Larson, M.D. had 6,468 Medicare Part D claims for 497 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is David Kent Larson, M.D.'s MIPS final score?
The 2023 MIPS final score is 64.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.