NPPES file of Aug 9, 2026

Martin Gordon Larsen, DO

Emergency Medicine Physician · St George, UT

Martin Gordon Larsen, DO is an emergency medicine physician with a practice address in St George, Utah, and NPI 1043897259, issued on Mar 24, 2021. Check the license (Utah 13509554-1204, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043897259
Name
Martin Gordon Larsen
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
13509554-1204 UT
DO3491 NV
Self-reported in NPPES; status is on the state search
Practice location
1380 E Medical Center Dr, St George, UT 84790
Phone
(435) 251-1000
Enumerated
Mar 24, 2021
Record last updated
Aug 25, 2025
Medicare enrollment
Enrolled (PECOS I20231109000433); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1380 E Medical Center Dr

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

  1. Barry Acor, MDFamily Medicine Physician1154633642
  2. Brian AdamsPhysician Assistant1710416649
  3. Brian AdamsNurse Practitioner1528712973
  4. Daniel Adams, MDVascular & Interventional Radiology Physician1326345257
  5. Enrique Alfaro, M.D.Hospitalist Physician1184606279
  6. Scott Allen, M.D.Anesthesiology Physician1881980399

Verify Martin Gordon Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 13509554-1204
    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 Utah 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.

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25% more Medicare Part D claims than the average emergency medicine physician in 2024

283 Medicare Part D claims for 177 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Martin Larsen283
  2. Specialty average226

Most prescribed

  1. Meloxicam54 claims
  2. Methocarbamol25 claims
  3. Prednisone18 claims
  4. Gabapentin17 claims
  5. Ondansetron Odt15 claims
  6. Cephalexin12 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: $14.65

1 payment: food and beverage; the largest payer was Teleflex LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Martin Larsen$14.65
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ihc Health Services IncCedar City, UT
  2. Kane County Human Resource Special Service DistrictKanab, UT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Martin Gordon Larsen among 501 emergency medicine physician records in Utah

Martin Gordon Larsen, DO is one of 501 emergency medicine physician records with a practice address in Utah. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2021 · median 2011 among the 344 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Utah

There are 501 emergency medicine physician records in Utah.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Barnett, MDSt George, UT 847901902893332
  2. Robert Benson, MDSt George, UT 847901609863042
  3. Stanford Benson, MDSt George, UT 847901588655856
  4. Catherine Bonomo, MDSt George, UT 847901306833736
  5. Brett Christiansen, MDSt George, UT 847901073500492
  6. Kevin Jensen, M.D.St George, UT 847901235103680
  7. Gordon Larsen, MDSt George, UT 847901760479083
  8. Robert Owen, M.D.St George, UT 847901114952389

Common questions

What is Martin Gordon Larsen, DO's NPI number?

Martin Gordon Larsen, DO's National Provider Identifier (NPI) is 1043897259, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Martin Gordon Larsen, DO located?

The NPPES record lists a practice address at 1380 E Medical Center Dr, St George, UT, 84790. Phone: (435) 251-1000. Providers update this record themselves, so call before visiting.

How can I verify Martin Gordon Larsen, DO's license?

NPPES lists Utah license number 13509554-1204, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Martin Gordon Larsen, DO prescribe under Medicare Part D?

In 2024, Martin Gordon Larsen, DO had 283 Medicare Part D claims for 177 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.