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Home > CA Providers > Behavioral Neurologists & neuropsychiatrists

Dr. Adrian Preda, MD

(Adrian Preda, MD)

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Specializes in: Behavioral Neurology & Neuropsychiatry and General Practice

Carol Davila University of Medicine and Pharmacy

Professional interests include: schizophrenia, bipolar disorder

3800 W. Chapman Avenue Suite 500
Orange, CA 92868

(714) 456-5902

Dr. Adrian Preda, MD is a neuropsychiatrist / behavioral neurologist in Orange, CA specializing in behavioral neurology & neuropsychiatry and general practice. He graduated from Carol Davila University of Medicine and Pharmacy. Dr. Adrian Preda, MD is affiliated with UCI Health and UCI Health Psychiatry Services.

Office Locations

3800 W. Chapman Avenue Suite 500
Orange, CA 92868

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19210 Jamboree Road
Irvine, CA 92612

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Some issues Dr. Adrian Preda, MD can help you with:

Bipolar Disorder

Commonly known as manic-depressive illness, bipolar disorder is a serious mental condition characterized by extreme changes in mood. Individuals with this disorder experience emotional highs, or manic episodes, and lows, or depressive episodes. These episodes are distinct periods that are separate from the moods they may usually feel.

During manic episodes, individuals may:

Feel very happy and energetic
Speak very fast and about many different topics
Become much more active than usual
Have trouble sleeping
Engage in impulsive behavior, like spending a large sum of money

In contrast, depressive episodes may bring about:

Sadness, emptiness, or hopelessness
Very low energy and activity levels
Forgetfulness and trouble concentrating
Loss of appetite
Thoughts of death or suicide

Episodes may be a mixture of both manic and depressive symptoms. In such an episode, individuals with bipolar disorder may feel sad, empty, and hopeless but have a high level of energy at the same time. Sometimes, changes in mood are less dramatic. For example, individuals may feel happy and think everything is fine, but people around them may notice their mood changes. Episodes like this are called hypomania. If an individual is hypomanic and does not receive proper treatment, their condition will likely worsen.

Generally considered a lifetime illness, the disorder begins in the late teen or early adult years. Bipolar disorder has no known cause, but research has shown that it tends to run in families. To diagnose it, a psychiatrist carefully assesses an individual's moods and behavior patterns. They may also be asked to keep a daily record of their moods and other factors that can help with diagnosis and determining the right course of therapy. Counseling is a typical form of treatment, as is a group of medications that can control symptoms, called antipsychotics.

Schizophrenia

Schizophrenia is a long-lasting, or chronic, severe mental illness that affects the way people think, feel, and behave. If someone has this condition, they likely have difficulty distinguishing reality from fantasy and may experience the following:

Hallucinations, which means someone sees or hears things that are not real.
Delusions, which are false beliefs that someone strongly holds on to.
Trouble communicating, organizing thoughts, making decisions, and paying attention.
Inability to remember things, complete tasks, show interest in activities, and sustain relationships.

A comprehensive psychiatric evaluation is necessary to identify this illness, and one of the top criteria for a diagnosis of schizophrenia is that at least some of the symptoms listed above have to be present for a minimum of six months. The causes of schizophrenia are unclear, but studies have linked it to genetics, abnormalities in brain structure, and immune disorders. It has also been found to affect men and women equally, with onset typically occurring earlier in men.

Although there is no cure for schizophrenia, some treatments can help people manage their disease. For example, physicians may prescribe antipsychotics which are a group of medications that can reduce symptoms. Patients can also learn useful coping skills and get emotional support by regularly taking part in individual talk therapy and having family members participate in group therapy sessions.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2012 were hospital care, inpatient care, medication management and mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

hospital care	152
inpatient care	152
medication management	116
mental health therapy	28

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2013 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	111
hospital care	115
inpatient care	115
mental health therapy	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	48
Female	44

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	70

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2013

Hypertension	49
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	26
Depression	66
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	22
Diabetes	27
Dementia	16
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2014 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	86
hospital care	148
inpatient care	148
mental health therapy	45

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	43
Female	36

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	59

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2014

Hypertension	46
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	23
Depression	62
Chronic Kidney Disease	19
Asthma	18
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	18
Diabetes	22
Dementia	16
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2015 were mental health therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	80
hospital care	92
inpatient care	92
mental health therapy	102

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	106
Female	100

**Ethnicity**
Non-Hispanic White	146
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	0
85 and over	0
Less than 65	134

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2015

Hypertension	53
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	24
Depression	66
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	18
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	13
Female	11

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2016

Hypertension	67
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	0
Depression	75
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2017 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	65
hospital care	53
inpatient care	53
mental health therapy	36

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	34
Female	30

**Ethnicity**
Non-Hispanic White	41
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	33

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2017

Hypertension	59
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	20
Depression	75
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	28
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2018 were mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	281
mental health therapy	165

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	50
Female	74

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	0
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	58

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2018

Hypertension	52
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	23
Depression	75
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2019 were mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	539
mental health therapy	163

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	110
Female	135

**Ethnicity**
Non-Hispanic White	154
Black	0
Hispanic	31
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	0
85 and over	0
Less than 65	112

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2019

Hypertension	58
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	22
Depression	74
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	9
Atrial Fibrilation	5
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	23
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2020 were mental health therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	469
hospital care	51
inpatient care	51
mental health therapy	126

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	125
Female	144

**Ethnicity**
Non-Hispanic White	180
Black	0
Hispanic	36
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	0
85 and over	0
Less than 65	110

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2020

Hypertension	56
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	28
Depression	74
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	12
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	25
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2021 were mental health therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	533
hospital care	63
inpatient care	63
mental health therapy	105

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	128
Female	157

**Ethnicity**
Non-Hispanic White	204
Black	0
Hispanic	35
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	0
85 and over	0
Less than 65	116

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2021

Hypertension	56
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	30
Depression	74
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	25
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2022 were mental health therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	510
hospital care	63
inpatient care	63
mental health therapy	127

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	129
Female	148

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	33
Asian	38
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	0
85 and over	0
Less than 65	109

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2022

Hypertension	66
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	19
Depression	71
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	18
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA during 2023 were hospital care, inpatient care and mental health therapy.

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

doctor visit	475
hospital care	83
inpatient care	83
mental health therapy	57

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Male	120
Female	153

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	41
Asian	33
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	0
85 and over	0
Less than 65	118

Conditions of Medicare patients treated by Dr. Adrian Preda, MD in 2023

Hypertension	63
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	18
Depression	70
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	19
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Adrian Preda, MD for Medicare patients.

The highest averages for the top procedures that Dr. Adrian Preda, MD treated as a neuropsychiatrist / behavioral neurologist in Orange, CA were hospital care, inpatient care and mental health therapy.

doctor visit	314
hospital care	91
inpatient care	91
mental health therapy	89

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Adrian Preda, MD.

**Gender**
Female	86
Male	75

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	17
Non-Hispanic White	107
Native American / Alaskan Native	0
Hispanic	18
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	76
65 to 74	46

Average of Total of Conditions of Medicare patients treated by Dr. Adrian Preda, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Adrian Preda, MD treated were depression, hypertension, high cholesterol and diabetes.

Hypertension	52
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	19
Depression	65
Chronic Kidney Disease	20
Asthma	7
Osteoporosis	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Atrial Fibrillation	3
Dementia	16
Cancer	4

Education & Training

Dr. Adrian Preda, MD graduated from Carol Davila University of Medicine and Pharmacy. He completed residency at Yale University Affiliated Hospitals. He is certified by the American Board of Psychiatry and Neurology - Psychiatry and has a state license in California.

Medical School: Carol Davila University of Medicine and Pharmacy

Residency: Yale University Affiliated Hospitals

Board Certification: American Board of Psychiatry and Neurology - Psychiatry

Licensed In: California

Affiliations & Hospitals

Dr. Adrian Preda, MD is associated with these hospitals and organizations:

UCI Health

UCI Health Psychiatry Services

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Adrian Preda, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boehringer Ingelheim Pharma GmbH & Co.KG	$7,579 $7,579
Boehringer Ingelheim Canada Ltd.Ltee	$7,545 $7,545
ITI, Inc.	$1,425 CAPLYTA $1,425
Allergan, Inc.	$433 $433
Otsuka Pharmaceutical Development & Commercialization, Inc.	$328 REXULTI $72	REJOYN $22	$234
Other	$300 ABILIFY MAINTENA $300

**Types of Payments**
Consulting Fee	$10,995
Travel and Lodging	$4,969
Food and Beverage	$1,212
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$433

Research Payments

Dr. Adrian Preda, MD has received 15 research payments totaling $168,507.

Biography

Dr. Adrian Preda specializes in general practice and behavioral neurology & neuropsychiatry and practices in Orange, CA and Irvine, CA. In his practice, Dr. Preda focuses on psychiatry, schizophrenia, and bipolar disorder. He is affiliated with UCI Health. Before performing his residency at a hospital affiliated with Yale University, Dr. Preda attended Carol Davila University of Medicine and Pharmacy for medical school. Dr. Preda's distinctions include: Distinguished Fellow, 2021 - American Psychiatric Association and Physicians of Excellence, Orange County Medical Association.