HealthcareDiscovery.AI / Doctors / California / Santa Ana / Infectious Disease

Infectious Disease in Santa Ana, California

Data updated monthly · Last refresh September 2026

9 Infectious Disease providers practice in Santa Ana. Listings are drawn from federal public records and are not endorsements.

Infectious Disease providers in Santa Ana

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. Helene Calvet, M.D.
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 834-5518
Dr. Hon Yu, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 210-2450
Dr. Marianne Go-wheeler, M.D.
Santa Ana, CA · $413 in drug and device payments (2025) · (714) 664-0045
Dr. Michael Fitzgibbons, MD
Santa Ana, CA · $813 in drug and device payments (2025) · Telehealth · (714) 541-3744
Dr. Nicholas Nguyen
Santa Ana, CA · $91 in drug and device payments (2025) · (714) 664-0045
Dr. Puneet Chahal, MD
Santa Ana, CA · $288 in drug and device payments (2025) · (714) 664-0045
Dr. Roma Patel, M.D.
Santa Ana, CA · $635 in drug and device payments (2025) · (714) 664-0045
Dr. Ronald Sherman, MD
Santa Ana, CA · No drug or device payments recorded (2025) · (714) 834-7991
Dr. Tuan Ta, MD
Santa Ana, CA · $746 in drug and device payments (2025) · Telehealth · (714) 664-0045

Conditions Infectious Disease providers in Santa Ana, California commonly treat

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

Common questions

How many Infectious Disease providers are in Santa Ana, California?

There are 9 Infectious Disease providers with active NPI records practicing in Santa Ana, according to federal NPPES data refreshed monthly.

What conditions do Infectious Disease providers in Santa Ana treat?

Infectious Disease providers in Santa Ana commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine 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 Santa Ana Infectious Disease across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.