Janna Larson, M.D.
NPI 1821227554 · Psychiatry Physician · San Diego, CA
Janna Larson, M.D. is a Psychiatry Physician provider in San Diego, CA (NPI 1821227554).
Provider details
- NPI number
- 1821227554
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
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
16 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
- 2009-07-01
- Last updated
- 2014-01-03
Frequently asked questions
- What is Janna Larson's NPI number?
- Janna Larson's National Provider Identifier (NPI) is 1821227554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janna Larson's specialty?
- Janna Larson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Janna Larson located?
- Janna Larson's practice location on file with NPPES is 3020 Childrens Way, San Diego, CA 92123-4223.
- What is Janna Larson's phone number?
- The practice phone number listed in the NPPES registry for Janna Larson is (858) 966-7759.
- Is Janna Larson's NPI active?
- Yes — Janna Larson's NPI (1821227554) is active in the NPPES registry as of the last update on 2014-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.