HealthcareDiscovery.AI / Doctors / California / Downey / Rheumatology

Rheumatology in Downey, California

Data updated monthly · Last refresh September 2026

5 Rheumatology providers practice in Downey. Listings are drawn from federal public records and are not endorsements.

Rheumatology providers in Downey

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Casey Romo, FNP-C
Downey, CA · No drug or device payments recorded (2025) · (562) 459-4000
Dr. Julia Buchfuhrer, D.O.
Downey, CA · $197,871 in drug and device payments (2025) · Telehealth · (562) 459-4000
Dr. Juliana Chang
Downey, CA · No drug or device payments recorded (2025) · Telehealth · (833) 574-2273
Dr. Lauren Mathias, M.D.
Downey, CA · $1,211 in drug and device payments (2025) · Telehealth · (562) 904-4466
Dr. Mark Borigini, M.D.
Downey, CA · No drug or device payments recorded (2025) · (562) 221-1681

Conditions Rheumatology providers in Downey, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Rheumatology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Rheumatology providers are in Downey, California?

There are 5 Rheumatology providers with active NPI records practicing in Downey, according to federal NPPES data refreshed monthly.

What conditions do Rheumatology providers in Downey treat?

Rheumatology providers in Downey commonly treat rheumatoid arthritis, lupus, gout, psoriatic arthritis, fibromyalgia and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Downey Rheumatology across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.