Ronald Jefferson, M.D.
NPI 1730389800 · General Practice Physician · Los Angeles, CA
Ronald Jefferson, M.D. is a General Practice Physician provider in Los Angeles, CA (NPI 1730389800).
Provider details
- NPI number
- 1730389800
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G29488 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 345 | 39 |
| Atorvastatin Calcium | 323 | 58 |
| Amlodipine Besylate | 131 | 32 |
| Dolutegravir Sodiumbrand: Tivicay | 128 | 16 |
| Metformin Hcl | 122 | 22 |
| Lisinopril | 112 | 25 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,212 across 41 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
Registry dates
- Enumerated
- 2007-07-18
- Last updated
- 2007-07-18
Frequently asked questions
- What is Ronald Jefferson's NPI number?
- Ronald Jefferson's National Provider Identifier (NPI) is 1730389800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Jefferson's specialty?
- Ronald Jefferson is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Jefferson located?
- Ronald Jefferson's practice location on file with NPPES is 4211 Avalon Blvd, Los Angeles, CA 90011-5622.
- What is Ronald Jefferson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Jefferson is (323) 432-5185.
- Is Ronald Jefferson's NPI active?
- Yes — Ronald Jefferson's NPI (1730389800) is active in the NPPES registry as of the last update on 2007-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.