Ramona Master, MD
NPI 1851429617 · Internal Medicine Physician · La Jolla, CA
Ramona Master, MD is a Internal Medicine Physician provider in La Jolla, CA (NPI 1851429617).
Provider details
- NPI number
- 1851429617
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A55108 (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
19 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 64 | 19 |
| Losartan Potassium | 31 | — |
| Amlodipine Besylate | 22 | — |
| Trazodone Hcl | 21 | — |
| Gabapentin | 20 | — |
| Metoprolol Succinate | 19 | — |
| Estradiol | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$290 across 8 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
- 2007-03-01
- Last updated
- 2024-06-04
- Certified
- 2024-06-04
Frequently asked questions
- What is Ramona Master's NPI number?
- Ramona Master's National Provider Identifier (NPI) is 1851429617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramona Master's specialty?
- Ramona Master is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ramona Master located?
- Ramona Master's practice location on file with NPPES is 4180 La Jolla Village Dr Ste 220, La Jolla, CA 92037-1471.
- What is Ramona Master's phone number?
- The practice phone number listed in the NPPES registry for Ramona Master is (858) 321-2150.
- Is Ramona Master's NPI active?
- Yes — Ramona Master's NPI (1851429617) is active in the NPPES registry as of the last update on 2024-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.