Julia Farmer, MD
NPI 1508959347 · Internal Medicine Physician · Vista, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julia Farmer, MD is a Internal Medicine Physician provider in Vista, CA (NPI 1508959347).
Provider details
- NPI number
- 1508959347
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 43102 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 430 | 120 |
| Amlodipine Besylate | 251 | 75 |
| Metformin Hcl | 191 | 59 |
| Levothyroxine Sodium | 180 | 42 |
| Gabapentin | 174 | 39 |
| Lisinopril | 154 | 40 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$162 across 3 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)
- 1000 Vale Terrace DrVista, CA 92084-5218Phone: (760) 631-5000Fax: (760) 414-3892
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2025-02-26
- Certified
- 2025-02-26
Frequently asked questions
- What is Julia Farmer's NPI number?
- Julia Farmer's National Provider Identifier (NPI) is 1508959347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Farmer's specialty?
- Julia Farmer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Julia Farmer located?
- Julia Farmer's practice location on file with NPPES is 105 Durian St Ste B, Vista, CA 92083-6230.
- What is Julia Farmer's phone number?
- The practice phone number listed in the NPPES registry for Julia Farmer is (760) 631-5000.
- Does Julia Farmer accept Medicare?
- Julia Farmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julia Farmer's NPI active?
- Yes — Julia Farmer's NPI (1508959347) is active in the NPPES registry as of the last update on 2025-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.