Derek Larson, D.O.
NPI 1104165034 · Infectious Disease Physician · San Diego, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Larson, D.O. is a Infectious Disease Physician provider in San Diego, CA (NPI 1104165034).
Provider details
- NPI number
- 1104165034
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0102203897 (VA)
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
13 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2013-02-13
- Last updated
- 2023-08-14
- Certified
- 2023-08-14
Frequently asked questions
- What is Derek Larson's NPI number?
- Derek Larson's National Provider Identifier (NPI) is 1104165034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Larson's specialty?
- Derek Larson is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Larson located?
- Derek Larson's practice location on file with NPPES is 34800 Bob Wilson Dr, San Diego, CA 92134-1098.
- What is Derek Larson's phone number?
- The practice phone number listed in the NPPES registry for Derek Larson is (619) 532-7478.
- Does Derek Larson accept Medicare?
- Derek Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Larson's NPI active?
- Yes — Derek Larson's NPI (1104165034) is active in the NPPES registry as of the last update on 2023-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.