HealthcareDiscovery.AI / Doctors / California / Diamond Bar / General Practice

General Practice in Diamond Bar, California

Data updated monthly · Last refresh September 2026

5 General Practice providers practice in Diamond Bar. Listings are drawn from federal public records and are not endorsements.

General Practice providers in Diamond Bar

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. Amr Beltagui, M.D.

Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 345-6000

Dr. Beau Chung, D.O.

Diamond Bar, CA · No drug or device payments recorded (2025) · Telehealth · (909) 594-1848

Dr. John Ang, MD

Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 861-6828

Dr. Sushma Bahl, MD

Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 396-9100

Dr. Yvonne Hou, MD

Diamond Bar, CA · No drug or device payments recorded (2025) · (909) 861-8361

Common questions

How many General Practice providers are in Diamond Bar, California?

There are 5 General Practice providers with active NPI records practicing in Diamond Bar, according to federal NPPES data refreshed monthly.

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 Diamond Bar General Practice 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.