Psychiatry in Diamond Bar, California
Data updated monthly · Last refresh September 2026
10 Psychiatry providers practice in Diamond Bar. Listings are drawn from federal public records and are not endorsements.
Psychiatry 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. Adel Hanna, MDDiamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 374-7216 Dr. Chen Ying Wu, MDDiamond Bar, CA · $18 in drug and device payments (2025) · Telehealth ·
(999) 999-9999 Dr. Karen Kiefer, D.O.Diamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 261-4123 Dr. Kevin Wethey, MDDiamond Bar, CA · $801 in drug and device payments (2025) · Telehealth ·
(909) 460-8733 Dr. Margaret Lin, MDDiamond Bar, CA · No drug or device payments recorded (2025) ·
(626) 589-6535 Dr. Paul Brown, M.D.Diamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 861-4663 Dr. Sateesh Gunda, M.D.Diamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 979-3123 Dr. Siddhartha Kumar, MDDiamond Bar, CA · No drug or device payments recorded (2025) ·
(626) 960-4844 Dr. Vimal Satodiya, M.D.Diamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 979-3118 Dr. Zachary Herzfeldt, M.D.Diamond Bar, CA · No drug or device payments recorded (2025) ·
(909) 468-2300 Conditions Psychiatry providers in Diamond Bar, California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Psychiatry providers. Individual practices vary, so confirm with the provider before booking.
- Depression
- Anxiety disorders
- Bipolar disorder
- ADHD
- PTSD
- OCD
- Schizophrenia
- Panic disorder
Common questions
How many Psychiatry providers are in Diamond Bar, California?There are 10 Psychiatry providers with active NPI records practicing in Diamond Bar, according to federal NPPES data refreshed monthly.
What conditions do Psychiatry providers in Diamond Bar treat?Psychiatry providers in Diamond Bar commonly treat depression, anxiety disorders, bipolar disorder, ADHD, PTSD 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 Diamond Bar Psychiatry across California