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Dr. Farshid Dayyani, MD, PHD

(Dr. Farshid Dayyani, PH.D.)

(128 Ratings)

Specializes in: Medical Oncology and Adult Oncology

Professional interests include: cancer, colorectal cancer, gastrointestinal cancer, and more.

2946 E Banner Gateway Drive
Gilbert, AZ 85234

(480) 256-6444

Dr. Farshid Dayyani, MD, PHD is a medical oncologist in Orange, CA specializing in medical oncology and adult oncology. Dr. Farshid Dayyani, MD, PHD is affiliated with UCI Health.

Office Locations

101 The City Drive South Building 23
Orange, CA 92868

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1640 Newport Boulevard Suite 400
Costa Mesa, CA 92627

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19208 Jamboree Road
Irvine, CA 92612

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2946 E Banner Gateway Drive
Gilbert, AZ 85234

(480) 256-6444

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In The News

“In lieu of flowers, donations may be made in memory of Stephen Lazarus to Temple Beth El of South Orange County or UCI Comprehensive Cancer Center to fund Gastrointestinal Oncology Research by Dr....”—"Stephen Earl Lazarus", The Orange County Register, January 2019

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	206
hospital care	35
inpatient care	35

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	355
hospital care	89
inpatient care	89

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	101
Female	70

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2013

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	24
Diabetes	30
Dementia	7
Cancer	60

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	489
hospital care	74
inpatient care	74

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	137
Female	89

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

**Age**
From 65 to 74	137
From 75 to 84	63
85 and over	13
Less than 65	13

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2014

Hypertension	73
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	25
Dementia	8
Cancer	60

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	147

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	49
Female	33

**Ethnicity**
Non-Hispanic White	32
Black	0
Hispanic	0
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2016

Hypertension	71
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	46
Asthma	17
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	472
hospital care	32
inpatient care	32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	83
Female	58

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	0
Asian	54
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	42
85 and over	14
Less than 65	15

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2017

Hypertension	75
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	43
Depression	26
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	13
Cancer	50

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	648
hospital care	23
inpatient care	23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	105
Female	94

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	0
Asian	86
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	64
85 and over	20
Less than 65	24

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2018

Hypertension	70
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	38

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	730
hospital care	17
inpatient care	17

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	136
Female	75

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	0
Asian	78
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	78
85 and over	13
Less than 65	25

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2019

Hypertension	66
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	47
Depression	24
Chronic Kidney Disease	46
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	36
Dementia	9
Cancer	32

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	860

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	122
Female	77

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	30
Asian	71
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	61
85 and over	11
Less than 65	25

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2020

Hypertension	70
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	52
Depression	20
Chronic Kidney Disease	44
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	7
Cancer	31

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	718

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	103
Female	66

**Ethnicity**
Non-Hispanic White	76
Black	0
Hispanic	0
Asian	58
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	52
85 and over	11
Less than 65	17

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2021

Hypertension	66
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	56
Depression	18
Chronic Kidney Disease	47
Asthma	8
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	37
Dementia	12
Cancer	30

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	570

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	104
Female	78

**Ethnicity**
Non-Hispanic White	82
Black	0
Hispanic	0
Asian	63
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	54
85 and over	16
Less than 65	16

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2022

Hypertension	75
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	40
Depression	19
Chronic Kidney Disease	26
Asthma	10
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	41
Dementia	8
Cancer	38

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

doctor visit	521

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Male	112
Female	56

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	0
Asian	67
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	51
85 and over	15
Less than 65	15

Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD in 2023

Hypertension	75
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	41
Depression	15
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Farshid Dayyani, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Farshid Dayyani, MD, PHD treated as a medical oncologist in Orange, CA were hospital care and inpatient care.

doctor visit	519
hospital care	45
inpatient care	45

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Farshid Dayyani, MD, PHD.

**Gender**
Female	63
Male	95

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	46
Non-Hispanic White	84
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	10
75 to 84	49
Less than 65	13
65 to 74	82

Average of Total of Conditions of Medicare patients treated by Dr. Farshid Dayyani, MD, PHD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Farshid Dayyani, MD, PHD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	65
High Cholesterol	53
Stroke	2
Ischemic Heart Disease	38
Depression	19
Chronic Kidney Disease	36
Asthma	7
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Atrial Fibrillation	9
Dementia	6
Cancer	38

Education & Training

He completed residency at Beth Israel Deaconess Medical Center. He is certified by the American Board of Internal Medicine - Medical Oncology and has a state license in Massachusetts.

Residency: Beth Israel Deaconess Medical Center

Board Certification: American Board of Internal Medicine - Medical Oncology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Farshid Dayyani, MD, PHD is associated with these hospitals and organizations:

UCI Health

Ratings & Reviews

Dr. Farshid Dayyani, MD, PHD has an exceptional overall rating with an average of 4.8 out of 5 stars based on 128 ratings. We collect ratings and reviews of Dr. Farshid Dayyani, MD, PHD from all over the web to help you find the right in Orange, CA.

4.8

Overall Rating

(128 Ratings)

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General Payments

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

**Payments by Company**
Sirtex Medical Inc	$229,073 SIR-Spheres microspheres $229,073
Exelixis Inc.	$128,258 Cabometyx $123,441	$4,817
Takeda Pharmaceuticals U.S.A., Inc.	$125,286 FRUZAQLA $125,280	$5
Genentech USA, Inc.	$113,383 Avastin $109,263	TECENTRIQ $4,110	TARCEVA $10
Amgen Inc.	$103,613 Vectibix $102,400	XGEVA $13	$1,200
Other	$454,124 Lenvima $79,983	ONIVYDE $76,888	IMFINZI $54,070	Somatuline Depot $26,040	MD Lightcycler Instruments and Reagents $25,500	Other $191,643

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$720,680
Consulting Fee	$191,652
Travel and Lodging	$121,903
Honoraria	$73,360
Food and Beverage	$24,062
Other	$22,082

Research Payments

Dr. Farshid Dayyani, MD, PHD has received 438 research payments totaling $8,331,238.

Biography

Dr. Farshid Dayyani's areas of specialization are general practice and adult oncology. His residency was performed at Beth Israel Deaconess Medical Center. Dr. Dayyani's areas of expertise include esophageal cancer, stomach cancer, and bile duct cancer (cholangiocarcinoma). His average patient rating is 5.0 stars (out of 5). Dr. Dayyani has received professional recognition including the following: Physicians of Excellence, Orange County Medical Association; Outstanding Teacher, Hematology/Oncology Fellowship Program - UC Irvine School of Medicine; and Achievement in Basic Science Fellowship Award - MD Anderson Cancer Center. Dr. Dayyani (or staff) speaks the following foreign languages: German and Persian. He is professionally affiliated with UCI Health.