NPPES file of Aug 9, 2026

Steven Allen Larsen, MD

Diagnostic Radiology Physician · Pocatello, ID

Steven Allen Larsen, MD is a diagnostic radiology physician with a practice address in Pocatello, Idaho, and NPI 1508953555, issued on Oct 9, 2006. Check the license (Idaho M-9927, as entered in NPPES) on the Idaho Board of Medicine; 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
1508953555
Name
Steven Allen Larsen
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
M-9927 ID
DR.0076559 CO
MD26653 OR
T0549 TX
Self-reported in NPPES; status is on the state search
Practice location
777 Hospital Way, Pocatello, ID 83201
Phone
(208) 239-1000
Enumerated
Oct 9, 2006
Record last updated
Jun 5, 2026
Medicaid IDs
005925 OR
807481100 ID
9000153682 CO
Medicare enrollment
Enrolled (PECOS I20080219000846); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2001
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 777 Hospital Way

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

  1. Douglas Andersen, DOInternal Medicine Physician1730599598
  2. Krista Andersen-Harris, DOInternal Medicine Physician1548216252
  3. Brice Anderson, MSAT, LAT, ATC, CSCSAthletic Trainer1043716285
  4. Morgan Anderson, D.O.Emergency Medicine Physician1306281944
  5. Chelsey Aslett, NP-CFamily Nurse Practitioner1124851357
  6. Lorin Bachman, M.D.Diagnostic Radiology Physician1144296203

Verify Steven Allen Larsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license M-9927
    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 Idaho 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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Industry payments in 2024: $248.50

6 payments; by number, the most common kind was food and beverage; the largest payer was Mml US, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Larsen$248.50
  2. Specialty average$2,488.38

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

16+ hospitals and group practices

  1. Delta County Memorial HospitalDelta, CO · Acute Care Hospitals3 of 5 stars
  2. Baker Community Health Center IncMacclenny, FL
  3. Bay Area Hospital DistrictCoos Bay, OR
  4. Cache Valley VeinDeer Lodge, MT
  5. Castro County Hospital DistrictDimmitt, TX
  6. Dawson County Hospital DistrictLamesa, TX
  7. Fisher County Hospital DistrictRotan, TX · Critical Access Hospitals
  8. Gonzales Healthcare SystemsGonzales, TX
  9. Inspire Radiology Group 2 LLCHemphill, TX
  10. Inspire Radiology Group LLCBlackfoot, ID
  11. Kane County Human Resource Special Service DistrictKanab, UT
  12. Lower Umpqua Hospital DistrictReedsport, OR · Critical Access Hospitals
  13. Medical Imaging Associates OF Idaho Falls IncSuperior, MT
  14. Medlink Management Services IncLake Butler, FL
  15. Memorial Hospital OF Carbon CountyRawlins, WY · Critical Access Hospitals
  16. Teton Radiology Diagnostic A Series OF Teton Group EnterpriseDeer Lodge, MT

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.

Steven Allen Larsen among 212 diagnostic radiology physician records in Idaho

Steven Allen Larsen, MD is one of 212 diagnostic radiology physician records with a practice address in Idaho. 70% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 40% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2001 · median 2004 among the 141 with a school on file
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Idaho

There are 212 diagnostic radiology physician records in Idaho.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Lorin Bachman, M.D.Pocatello, ID 832011144296203
  2. David Cameron, M.D.Pocatello, ID 832011386610442
  3. Allen Eng, M.D.Pocatello, ID 832011124093117
  4. David Madden, M.D.Pocatello, ID 832011518905413
  5. Nicholas Pierson, MDPocatello, ID 832011336309756
  6. George Stephens, M.D.Pocatello, ID 832011598731010
  7. Matthew Williamson, D.O.Pocatello, ID 832011467428540
  8. Stephen Sherman, MDPocatello, ID 832041972709590

Common questions

What is Steven Allen Larsen, MD's NPI number?

Steven Allen Larsen, MD's National Provider Identifier (NPI) is 1508953555, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Allen Larsen, MD located?

The NPPES record lists a practice address at 777 Hospital Way, Pocatello, ID, 83201. Phone: (208) 239-1000. Providers update this record themselves, so call before visiting.

How can I verify Steven Allen Larsen, MD's license?

NPPES lists Idaho license number M-9927, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.