NPPES file of Aug 9, 2026

Seth Benjamin Larson, D.O.

Family Medicine Physician · Billings, MT

Seth Benjamin Larson, D.O. is a family medicine physician with a practice address in Billings, Montana, and NPI 1780038026, issued on Apr 22, 2016. Check the license (Montana MED-PHYS-LIC-76439, as entered in NPPES) on the Montana Board of Medical Examiners; 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
1780038026
Name
Seth Benjamin Larson
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MED-PHYS-LIC-76439 MT
3324 WV
ED0596 WV
WVEDU WV
Self-reported in NPPES; status is on the state search
Practice location
760 Wicks LN, Billings, MT 59105
Phone
(406) 238-2500
Enumerated
Apr 22, 2016
Record last updated
Apr 4, 2024
Medicare enrollment
Enrolled (PECOS I20190731004111); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2016
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 760 Wicks LN

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

  1. Jonathan Dilworth, DPTOrthopedic Physical Therapist1194303677
  2. Dale Emery, MDInternal Medicine Physician1164533725
  3. Shelby Garstad, LCSWClinical Social Worker1053045120
  4. Cameron Grove, MDFamily Medicine Physician1477659381
  5. Glenn Guzman, MDFamily Medicine Physician1760594725
  6. Carrie Hall, PAPhysician Assistant1275860934

Verify Seth Benjamin Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license MED-PHYS-LIC-76439
    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 Montana 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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70% more Medicare Part D claims than the average family medicine physician in 2024

6,041 Medicare Part D claims for 605 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 203 claims were for opioids.

  1. Seth Larson6,041
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium361 claims
  2. Lisinopril349 claims
  3. Levothyroxine Sodium272 claims
  4. Amlodipine Besylate261 claims
  5. Omeprazole247 claims
  6. Losartan Potassium237 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: $25.08

1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Seth Larson$25.08
  2. Specialty average$902.55

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

2 hospitals and group practices

  1. Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
  2. Wheatland Memorial HealthcareHarlowton, 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.

Seth Benjamin Larson among 775 family medicine physician records in Montana

Seth Benjamin Larson, D.O. is one of 775 family medicine physician records with a practice address in Montana. 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 2016, is newer than 82% of them.

  • NPI issued2016 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2007 among the 464 with a school on file
  • Record last updated2024 · 53% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

111 family medicine physician records list a practice address in Billings

They are 111 of the 4,035 NPPES records with a practice address in Billings, and 775 family medicine physician records in Montana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cameron Grove, MDBillings, MT 591051477659381
  2. Glenn Guzman, MDBillings, MT 591051760594725
  3. Spencer Hegerhorst, DOBillings, MT 591051093465692
  4. Daniel Junco, DOBillings, MT 591051043711864
  5. Robert Nichols, MDBillings, MT 591051538102983
  6. Martin Schiffert, MDBillings, MT 591051609819259
  7. Stephen Shaub, DOBillings, MT 591051467495853
  8. Merrill Stanley, MDBillings, MT 591051346281409

Common questions

What is Seth Benjamin Larson, D.O.'s NPI number?

Seth Benjamin Larson, D.O.'s National Provider Identifier (NPI) is 1780038026, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Seth Benjamin Larson, D.O. located?

The NPPES record lists a practice address at 760 Wicks LN, Billings, MT, 59105. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.

How can I verify Seth Benjamin Larson, D.O.'s license?

NPPES lists Montana license number MED-PHYS-LIC-76439, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Seth Benjamin Larson, D.O. prescribe under Medicare Part D?

In 2024, Seth Benjamin Larson, D.O. had 6,041 Medicare Part D claims for 605 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.