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Dr. Gregory Ernest Idos, MD, MS

Accepting New Patients

(Dr. Gregory Idos, M.D.)

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Specializes in: Adult Gastroenterology

University of Vermont College of Medicine (2006)

1500 East Duarte Road
Duarte, CA 91010

1-800-826-4673

Dr. Gregory Ernest Idos, MD, MS is a gastroenterologist in Duarte, CA specializing in adult gastroenterology. He graduated from University of Vermont College of Medicine in 2006 and has 20 years of experience. Dr. Gregory Ernest Idos, MD, MS is affiliated with City of Hope and CITY OF HOPE MEDICAL FOUNDATION.

Office Locations

1500 East Duarte Road
Duarte, CA 91010

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Ernest Idos, MD, MS in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 25%

By Affordability:

colonoscopy with endoscopic mucosal resection

endoscopic mucosal resection

In 2013, Dr. Gregory Ernest Idos, MD, MS had a list price for colonoscopy with endoscopic mucosal resection, and endoscopic mucosal resection (EMR) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2013 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	31
doctor visit	14
gastrointestinal procedures	31
minimally invasive procedures	31
removal of lesion (e.g. growth)	31

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	25
Female	26

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	20
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2013

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2013 were hypertension, ischemic heart disease, high cholesterol and chronic kidney disease.

Hypertension	69
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	57
Depression	27
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	0
Cancer	31

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	22
Female	22

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	16
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2014

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2014 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension	68
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	41
Depression	39
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	27
Chronic Obstructive Pulmonary Disease	0
Diabetes	52
Dementia	0
Cancer	36

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2015 were removal of lesion (e.g. growth), minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	11
doctor visit	11
gastrointestinal procedures	11
hospital care	11
inpatient care	11
minimally invasive procedures	11
removal of lesion (e.g. growth)	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	54
Female	56

**Ethnicity**
Non-Hispanic White	60
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2015

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2015 were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	71
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2016 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	13
doctor visit	12
gastrointestinal procedures	13
minimally invasive procedures	13
removal of lesion (e.g. growth)	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	20
Female	32

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

**Age**
From 65 to 74	28
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2016

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2016 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	71
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	38
Depression	0
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	35

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2017 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	15
doctor visit	12
gastrointestinal procedures	15
minimally invasive procedures	15
removal of lesion (e.g. growth)	15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	25
Female	25

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

**Age**
From 65 to 74	27
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2017

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2017 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	44
Depression	0
Chronic Kidney Disease	46
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	26
Chronic Obstructive Pulmonary Disease	0
Diabetes	32
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2018 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	15
gastrointestinal procedures	15
minimally invasive procedures	15
removal of lesion (e.g. growth)	15

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	24
Female	23

**Ethnicity**
Non-Hispanic White	26
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2018

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2018 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	26
Chronic Obstructive Pulmonary Disease	0
Diabetes	45
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	43
doctor visit	26
gastrointestinal procedures	43
hospital care	38
inpatient care	38
minimally invasive procedures	43
removal of lesion (e.g. growth)	43

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	50
Female	55

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	23
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	26
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2019

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	66
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	44
Depression	29
Chronic Kidney Disease	47
Asthma	19
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	152
doctor visit	77
gastrointestinal procedures	175
hospital care	40
inpatient care	40
minimally invasive procedures	175
removal of lesion (e.g. growth)	138

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	99
Female	133

**Ethnicity**
Non-Hispanic White	115
Black	0
Hispanic	51
Asian	39
Other	15
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2020

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2020 were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	65
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	41
Dementia	15
Cancer	49

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	207
doctor visit	167
gastrointestinal procedures	246
hospital care	59
inpatient care	59
minimally invasive procedures	246
removal of lesion (e.g. growth)	221

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	126
Female	193

**Ethnicity**
Non-Hispanic White	180
Black	14
Hispanic	65
Asian	49
Other	11
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	81
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2021

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2021 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	68
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	13
Cancer	51

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	214
doctor visit	180
gastrointestinal procedures	247
hospital care	14
inpatient care	14
minimally invasive procedures	247
removal of lesion (e.g. growth)	216

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	126
Female	207

**Ethnicity**
Non-Hispanic White	205
Black	0
Hispanic	53
Asian	39
Other	22
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2022

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2022 were hypertension, high cholesterol, cancer and diabetes.

Hypertension	74
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	20
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Dementia	5
Cancer	58

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA during 2023 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

diagnostic procedures	223
doctor visit	146
gastrointestinal procedures	244
hospital care	26
inpatient care	26
minimally invasive procedures	244
removal of lesion (e.g. growth)	229

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Male	104
Female	221

**Ethnicity**
Non-Hispanic White	185
Black	0
Hispanic	60
Asian	54
Other	15
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	103
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2023

The most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated during 2023 were high cholesterol, hypertension, cancer and diabetes.

Hypertension	70
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	23
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	6
Cancer	54

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Gregory Ernest Idos, MD, MS for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Ernest Idos, MD, MS treated as a gastroenterologist in Duarte, CA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	92
doctor visit	71
gastrointestinal procedures	104
hospital care	31
inpatient care	31
minimally invasive procedures	104
removal of lesion (e.g. growth)	93

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS.

**Gender**
Female	90
Male	61

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	17
Non-Hispanic White	82
Hispanic	27
Native American / Alaskan Native	0
Other	5

**Age**
85 and over	0
75 to 84	37
Less than 65	3
65 to 74	82

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Ernest Idos, MD, MS treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	69
High Cholesterol	57
Stroke	2
Ischemic Heart Disease	40
Depression	21
Chronic Kidney Disease	42
Asthma	6
Osteoporosis	7
Heart Failure	23
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Atrial Fibrillation	8
Cancer	37
Dementia	3

Education & Training

Dr. Gregory Ernest Idos, MD, MS graduated from University of Vermont College of Medicine in 2006. He has a state license in California.

Medical School: University of Vermont College of Medicine (2006)

Licensed In: California

Affiliations & Hospitals

Dr. Gregory Ernest Idos, MD, MS is associated with these hospitals and organizations:

City of Hope

CITY OF HOPE MEDICAL FOUNDATION

Ratings & Reviews

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General Payments

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

**Payments by Company**
Intercept Pharmaceuticals, Inc.	$125 $125
NanoString Technologies, Inc.	$43 PROSIGNA ASSAY $43
Takeda Pharmaceuticals U.S.A., Inc.	$24 ENTYVIO $24
Deciphera Pharmaceuticals Inc.	$23 QINLOCK $23
Braintree Laboratories, Inc.	$13 SUTAB $13

**Types of Payments**
Food and Beverage	$228

Research Payments

Dr. Gregory Ernest Idos, MD, MS has received 12 research payments totaling $240,961.

Biography

Dr. Gregory Idos practices adult gastroenterology in Duarte, CA and South Pasadena, CA. He is a graduate of the University of Vermont College of Medicine. Awards and/or distinctions Dr. Idos has received include Southern California Super Doctors and Southern California Rising Stars. He is professionally affiliated with City of Hope. He has an open panel in Duarte, CA according to Doctor.com.

Select Year:

Dr. Gregory Ernest Idos, MD, MS

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Ernest Idos, MD, MS in 2023

By Affordability:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2013

Medicare Procedure and Patient Information

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Ernest Idos, MD, MS From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Duarte, CA