Seth James Larsen, DO
Emergency Medicine Physician · Jbsa Lackland, TX
Seth James Larsen, DO is an emergency medicine physician with a practice address in Jbsa Lackland, Texas, and NPI 1427687359, issued on Apr 3, 2020. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Seth James Larsen
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20A21119 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX 78236
- Phone
- (210) 292-7331
- Enumerated
- Apr 3, 2020
- Record last updated
- Jul 28, 2025
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 1100 Wilford Hall Loop Bldg 4554
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Spencer Alsup, NPNurse Practitioner1861206278
- Selene Alvarado-KillmerClinical Social Worker1891043691
- Craig Ameduri, PA-CPhysician Assistant1386018778
Verify Seth James Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average emergency medicine physician in 2024
80 Medicare Part D claims for 52 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of 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.
Seth James Larsen among 4,885 emergency medicine physician records in Texas
Seth James Larsen, DO is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2025 · 55% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 emergency medicine physician records list a practice address in Jbsa Lackland
They are 21 of the 719 NPPES records with a practice address in Jbsa Lackland, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Jbsa Lackland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christianne Clifford, D.O.Lackland A F B, TX 782361124256615
- Joseph Cornett, MDJbsa Lackland, TX 782361841435963
- Peter Cuenca, M.D.Jbsa Lackland, TX 782361194714113
- George Dockendorf, DOLackland A F B, TX 782361265477343
- James Eadie, MDLackland A F B, TX 782361376573063
- Troy Johnson, MDJbsa Lackland, TX 782361992796585
- James King, M.D.Lackland A F B, TX 782361780694257
- Thomas Kolkebeck, M.D.Lackland A F B, TX 782361427136829
Common questions
What is Seth James Larsen, DO's NPI number?
Seth James Larsen, DO's National Provider Identifier (NPI) is 1427687359, issued on Apr 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Seth James Larsen, DO located?
The NPPES record lists a practice address at 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX, 78236. Phone: (210) 292-7331. Providers update this record themselves, so call before visiting.
How can I verify Seth James Larsen, DO's license?
Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Seth James Larsen, DO prescribe under Medicare Part D?
In 2024, Seth James Larsen, DO had 80 Medicare Part D claims for 52 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.