Seth Larsen, DO
NPI 1427687359 · Emergency Medicine Physician · Jbsa Lackland, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seth Larsen, DO is a Emergency Medicine Physician provider in Jbsa Lackland, TX (NPI 1427687359).
Provider details
- NPI number
- 1427687359
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-03
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Seth Larsen's NPI number?
- Seth Larsen's National Provider Identifier (NPI) is 1427687359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Larsen's specialty?
- Seth Larsen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Seth Larsen located?
- Seth Larsen's practice location on file with NPPES is 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX 78236-5638.
- What is Seth Larsen's phone number?
- The practice phone number listed in the NPPES registry for Seth Larsen is (210) 292-7331.
- Does Seth Larsen accept Medicare?
- Seth Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seth Larsen's NPI active?
- Yes — Seth Larsen's NPI (1427687359) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.