Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Julia Olson Farmer, MD

Individual provider Internal Medicine Physician · NPI 1508959347

Julia Olson Farmer, MD practises Rheumatology in Vista, California. Graduated from University of California, Davis School of Medicine in 2002, 24 years ago. Practices with Kayal Medical Group Inc, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Colorado.

Years since qualifying
24
Trained at
University of California, Davis School of Medicine
Licensed in
CA, CO
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

105 Durian St Ste B
Vista, CA 92083-6230
Phone: (760) 631-5000
Fax: (760) 414-3892
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1000 Vale Terrace Dr, Vista, CA 92084-5218 — (760) 631-5000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C171929 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 43102 (CO)
Rheumatology Physician Taxonomy 207RR0500X · Licence C171929 (CA)

Record details

NPI number1508959347
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESFebruary 26, 2025
Certification dateFebruary 26, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Kayal Medical Group Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $290 3 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Kayal Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Vista