David Larson, M.D.
NPI 1609164391 · Adult Medicine Physician · Encinitas, CA
David Larson, M.D. is a Adult Medicine Physician provider in Encinitas, CA (NPI 1609164391).
Provider details
- NPI number
- 1609164391
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A122666 (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 tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 43 | — |
| Levothyroxine Sodium | 41 | — |
| Rosuvastatin Calcium | 41 | 12 |
| Gabapentin | 39 | — |
| Liothyronine Sodium | 38 | 11 |
| Clonazepam | 25 | — |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1442 Camino Del Mar Ste 212Del Mar, CA 92014-2550Phone: (760) 634-1704Fax: (760) 494-7231
Registry dates
- Enumerated
- 2011-07-14
- Last updated
- 2019-09-01
Frequently asked questions
- What is David Larson's NPI number?
- David Larson's National Provider Identifier (NPI) is 1609164391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Larson's specialty?
- David Larson is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Larson located?
- David Larson's practice location on file with NPPES is 345 Saxony Rd Ste 206, Encinitas, CA 92024-2792.
- What is David Larson's phone number?
- The practice phone number listed in the NPPES registry for David Larson is (858) 367-3401.
- Is David Larson's NPI active?
- Yes — David Larson's NPI (1609164391) is active in the NPPES registry as of the last update on 2019-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.