Overview
John Duffy is a Psychiatrist practicing medicine in Santa Ana, California.
Dr. Duffy is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Dementia, Alzheimer's Disease, Major Depression, and Bipolar Disorder (BPD).
He is actively involved in clinical research, participating in 20 clinical trials.
Specialties
Licenses
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
Locations
1401 N Tustin Ave Ste 130, Santa Ana, CA 92705
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
20 Clinical Trials
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Alejandro Alva is a Psychiatrist practicing medicine in Orange, California. Dr. Alva is highly rated in 10 conditions, according to our data. His clinical expertise encompasses Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), Major Depression, and Bipolar Disorder (BPD). Dr. Alva is currently accepting new patients.
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Dr. Adrian Preda is a UCI Health psychiatrist who specializes in adult psychiatry. His clinical and research focus is on schizophrenia and other psychotic disorders, cognitive disorders and clinical trials.He earned his medical degree at Carol Davila University of Medicine and Pharmacy in Bucharest, Romania. He completed an internship in psychiatry at University of Rochester in Rochester, N.Y., followed by a residency in psychiatry at Yale University in New Haven, Conn., where he served as chief resident at Yale New Haven Hospital. He held academic appointments at Yale and University of Texas Southwestern before joining the UCI School of Medicine.Preda sees patients at theUCI Health Neuropsychiatric Centerin Orange. Dr. Preda is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Schizophrenia, Bipolar Disorder (BPD), Generalized Anxiety Disorder (GAD), and Major Depression. Dr. Preda is board certified in American Board Of Psychiatry And Neurology - Psychiatry.
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David Sultzer is a Psychiatrist practicing medicine in Orange, California. Dr. Sultzer is highly rated in 2 conditions, according to our data. His clinical expertise encompasses Alzheimer's Disease, Dementia, Vascular Dementia, Post-Traumatic Stress Disorder (PTSD), and Deep Brain Stimulation. Dr. Sultzer is board certified in American Board Of Psychiatry And Neurology - Geriatric Psychiatry and American Board Of Psychiatry And Neurology - Psychiatry.
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Frequently Asked Questions about Dr. John G. Duffy
How do I make an appointment with Dr. John G. Duffy?
You can book an appointment with Dr. John G. Duffy by calling their office at 714-542-3617. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John G. Duffy a top-rated expert for Dementia?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John G. Duffy is classified as an Advanced expert for Dementia, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John G. Duffy specialize in?
While Dr. John G. Duffy is a Psychiatry, they have specific expertise in Dementia, Alzheimer's Disease, and Major Depression. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Psychiatry.
Does Dr. John G. Duffy accept my insurance?
Dr. John G. Duffy accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 714-542-3617 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Alzheimer's DiseaseDr. Duffy isAdvanced. Learn about Alzheimer's Disease.
- DementiaDr. Duffy isAdvanced. Learn about Dementia.
- Experienced
- Bipolar Disorder (BPD)Dr. Duffy isExperienced. Learn about Bipolar Disorder (BPD).
- Major DepressionDr. Duffy isExperienced. Learn about Major Depression.
- Seasonal Affective Disorder (SAD)Dr. Duffy isExperienced. Learn about Seasonal Affective Disorder (SAD).

