Jan Larsson
NPI 1346399292 · Internal Medicine Physician · Encino, CA
Jan Larsson is a Internal Medicine Physician provider in Encino, CA (NPI 1346399292).
Provider details
- NPI number
- 1346399292
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- A52928 (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
19 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
- 2007-01-09
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jan Larsson's NPI number?
- Jan Larsson's National Provider Identifier (NPI) is 1346399292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Larsson's specialty?
- Jan Larsson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Larsson located?
- Jan Larsson's practice location on file with NPPES is 18055 Ventura Blvd, Encino, CA 91316-3517.
- What is Jan Larsson's phone number?
- The practice phone number listed in the NPPES registry for Jan Larsson is (760) 641-1692.
- Is Jan Larsson's NPI active?
- Yes — Jan Larsson's NPI (1346399292) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.