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Dr. Derek Marc Dobalian, MD

Accepting New Patients

(5 Ratings)

Specializes in: Adult Gastroenterology

Loma Linda University School of Medicine

3816 Woodruff Avenue #307
Long Beach, CA 90808

(562) 420-7670

Dr. Derek Marc Dobalian, MD is a gastroenterologist in Long Beach, CA specializing in adult gastroenterology. He graduated from Loma Linda University School of Medicine. Dr. Derek Marc Dobalian, MD is affiliated with Dignity Health and St Mary Medical Center Long Beach.

Office Locations

St Mary Medical Center Long Beach

3816 Woodruff Avenue #307
Long Beach, CA 90808

(562) 420-7670

(562) 429-4064

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Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2013 were hospital care, inpatient care, nursing home care and gastrointestinal procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

abdominal surgery	24
anastomosis	70
catheterization	70
diagnostic procedures	93
doctor visit	286
gastrointestinal procedures	163
hospital care	1333
inpatient care	1333
minimally invasive procedures	139
nursing home care	379
open surgery	24
removal of lesion (e.g. growth)	93

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	84
Female	123

**Ethnicity**
Non-Hispanic White	94
Black	38
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	50
85 and over	34
Less than 65	58

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2013

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2013 were hypertension, diabetes, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	45
Stroke	15
Ischemic Heart Disease	48
Depression	40
Chronic Kidney Disease	46
Asthma	15
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	43
Chronic Obstructive Pulmonary Disease	41
Diabetes	61
Dementia	43
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2014 were hospital care, inpatient care, nursing home care and minimally invasive procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	46
catheterization	46
diagnostic procedures	79
doctor visit	296
foreign body removal	32
gastrointestinal procedures	157
hospital care	1160
inpatient care	1160
minimally invasive procedures	157
nursing home care	330
removal of lesion (e.g. growth)	79

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	90
Female	111

**Ethnicity**
Non-Hispanic White	85
Black	38
Hispanic	56
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	54
85 and over	31
Less than 65	55

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2014

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2014 were hypertension, diabetes, chronic kidney disease and heart failure.

Hypertension	75
High Cholesterol	47
Stroke	17
Ischemic Heart Disease	46
Depression	47
Chronic Kidney Disease	51
Asthma	18
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	48
Chronic Obstructive Pulmonary Disease	43
Diabetes	55
Dementia	41
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2015 were hospital care, inpatient care, nursing home care and minimally invasive procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	55
catheterization	55
diagnostic procedures	75
doctor visit	225
foreign body removal	47
gastrointestinal procedures	177
hospital care	736
inpatient care	709
minimally invasive procedures	177
nursing home care	301
removal of lesion (e.g. growth)	75

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	176
Female	222

**Ethnicity**
Non-Hispanic White	168
Black	66
Hispanic	120
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	86
85 and over	72
Less than 65	88

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2015

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2015 were hypertension, diabetes, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	47
Stroke	12
Ischemic Heart Disease	50
Depression	45
Chronic Kidney Disease	53
Asthma	33
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	45
Chronic Obstructive Pulmonary Disease	48
Diabetes	62
Dementia	49
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2016 were hospital care, inpatient care, nursing home care and minimally invasive procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	44
catheterization	44
diagnostic procedures	47
doctor visit	207
foreign body removal	35
gastrointestinal procedures	126
hospital care	403
inpatient care	403
minimally invasive procedures	126
nursing home care	179
removal of lesion (e.g. growth)	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	70
Female	110

**Ethnicity**
Non-Hispanic White	74
Black	37
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	33
85 and over	33
Less than 65	43

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2016

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2016 were hypertension, diabetes, chronic kidney disease and high cholesterol.

Hypertension	75
High Cholesterol	60
Stroke	16
Ischemic Heart Disease	55
Depression	44
Chronic Kidney Disease	65
Asthma	50
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	53
Chronic Obstructive Pulmonary Disease	46
Diabetes	69
Dementia	47
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	33
catheterization	33
diagnostic procedures	47
doctor visit	213
foreign body removal	25
gastrointestinal procedures	105
hospital care	262
inpatient care	262
minimally invasive procedures	105
removal of lesion (e.g. growth)	47

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	59
Female	79

**Ethnicity**
Non-Hispanic White	66
Black	25
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	25
85 and over	22
Less than 65	38

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2017

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2017 were hypertension, chronic kidney disease, diabetes and high cholesterol.

Hypertension	75
High Cholesterol	49
Stroke	17
Ischemic Heart Disease	49
Depression	44
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	43
Chronic Obstructive Pulmonary Disease	46
Diabetes	56
Dementia	41
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	31
catheterization	31
diagnostic procedures	29
doctor visit	185
foreign body removal	19
gastrointestinal procedures	79
hospital care	169
inpatient care	169
minimally invasive procedures	79
removal of lesion (e.g. growth)	29

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	36
Female	77

**Ethnicity**
Non-Hispanic White	45
Black	23
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	28
85 and over	15
Less than 65	19

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2018

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2018 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	60
Stroke	17
Ischemic Heart Disease	50
Depression	41
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	50
Chronic Obstructive Pulmonary Disease	37
Diabetes	61
Dementia	42
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

anastomosis	17
catheterization	17
diagnostic procedures	36
doctor visit	158
gastrointestinal procedures	53
hospital care	126
inpatient care	126
minimally invasive procedures	53
removal of lesion (e.g. growth)	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	46
Female	67

**Ethnicity**
Non-Hispanic White	39
Black	25
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	26
85 and over	15
Less than 65	29

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2019

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2019 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	57
Stroke	16
Ischemic Heart Disease	42
Depression	41
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	36
Chronic Obstructive Pulmonary Disease	37
Diabetes	60
Dementia	36
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA during 2020 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

diagnostic procedures	16
doctor visit	126
gastrointestinal procedures	16
minimally invasive procedures	16
removal of lesion (e.g. growth)	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	37
Female	33

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	19
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2020

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2020 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	71
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	60
Dementia	26
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

doctor visit	139

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	29
Female	33

**Ethnicity**
Non-Hispanic White	18
Black	15
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	0
85 and over	0
Less than 65	13

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2021

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2021 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	44
Depression	40
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	32
Chronic Obstructive Pulmonary Disease	24
Diabetes	61
Dementia	24
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

doctor visit	88

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	16
Female	20

**Ethnicity**
Non-Hispanic White	13
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	18
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2022

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2022 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	50
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

doctor visit	64

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	19
Female	19

**Ethnicity**
Non-Hispanic White	16
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	15
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD in 2023

The most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated during 2023 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	45
Depression	50
Chronic Kidney Disease	55
Asthma	0
Osteoperosis	0
Atrial Fibrilation	37
Heart Failure	47
Chronic Obstructive Pulmonary Disease	42
Diabetes	61
Dementia	32
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Derek Marc Dobalian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Derek Marc Dobalian, MD treated as a gastroenterologist in Long Beach, CA were hospital care, inpatient care, nursing home care and gastrointestinal procedures.

abdominal surgery	24
anastomosis	42
catheterization	42
diagnostic procedures	52
doctor visit	180
foreign body removal	31
gastrointestinal procedures	109
hospital care	598
inpatient care	594
minimally invasive procedures	106
nursing home care	297
open surgery	24
removal of lesion (e.g. growth)	52

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Derek Marc Dobalian, MD.

**Gender**
Male	60
Female	81

**Ethnicity**
Black / African American	24
Asian / Pacific Islander	1
Non-Hispanic White	58
Native American / Alaskan Native	0
Hispanic	36
Other	0

**Age**
75 to 84	27
85 and over	20
Less than 65	32
65 to 74	53

Average of Total of Conditions of Medicare patients treated by Dr. Derek Marc Dobalian, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Derek Marc Dobalian, MD treated were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	74
High Cholesterol	56
Stroke	10
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	50
Asthma	12
Osteoporosis	7
Heart Failure	38
Chronic Obstructive Pulmonary Disease	35
Diabetes	59
Atrial Fibrillation	9
Cancer	4
Dementia	34

Education & Training

Dr. Derek Marc Dobalian, MD graduated from Loma Linda University School of Medicine. He has a state license in California.

Medical School: Loma Linda University School of Medicine

Licensed In: California

Affiliations & Hospitals

Dr. Derek Marc Dobalian, MD is associated with these hospitals and organizations:

Dignity Health

St Mary Medical Center Long Beach

Ratings & Reviews

Dr. Derek Marc Dobalian, MD has an average of 1.0 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Derek Marc Dobalian, MD from all over the web to help you find the right in Long Beach, CA.

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
Sunovion Pharmaceuticals Inc.	$2,207 Lonhala Magnair $1,077	APTIOM $741	Brovana $301	KYNMOBI $59	UTIBRON $20	Other $9
Allergan Inc.	$114 VIBERZI $70	LINZESS $29	ZENPEP $15
Gilead Sciences, Inc.	$98 $98
SANOFI-AVENTIS U.S. LLC	$60 TOUJEO $49	LANTUS $11
Merck Sharp & Dohme Corporation	$51 ZEPATIER $51
Other	$163 MOVANTIK $24	TRELEGY ELLIPTA $24	Xhance $22	Ocaliva $21	ANORO $18	Other $54

**Types of Payments**
Food and Beverage	$2,693

Biography

Dr. Derek Dobalian is a medical specialist in adult gastroenterology. His patients gave him an average rating of 1.0 stars (out of 5). Dr. Dobalian studied medicine at Loma Linda University School of Medicine.