Jonathan Larson, M.D.
NPI 1922294008 · Emergency Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Larson, M.D. is a Emergency Medicine Physician provider in San Antonio, TX (NPI 1922294008).
Provider details
- NPI number
- 1922294008
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A101354 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 701 N Green Valley Pkwy Ste 213Henderson, NV 89074-6177Phone: (949) 484-9517Fax: (949) 569-1295
Registry dates
- Enumerated
- 2007-09-21
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Jonathan Larson's NPI number?
- Jonathan Larson's National Provider Identifier (NPI) is 1922294008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Larson's specialty?
- Jonathan Larson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Larson located?
- Jonathan Larson's practice location on file with NPPES is 8401 Datapoint Dr, San Antonio, TX 78229-5900.
- What is Jonathan Larson's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Larson is (210) 614-0180.
- Does Jonathan Larson accept Medicare?
- Jonathan Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Larson's NPI active?
- Yes — Jonathan Larson's NPI (1922294008) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.