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Dr. Ronald I. Waloff, MD

Accepting New Patients

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Specializes in: Adult Gastroenterology

Temple University School of Medicine

243 Green Valley Road Suite E
Freedom, CA 95019

(831) 722-8807

Dr. Ronald I. Waloff, MD is a gastroenterologist in Freedom, CA specializing in adult gastroenterology. He graduated from Temple University School of Medicine. Dr. Ronald I. Waloff, MD is affiliated with Dignity Health and DHMN - Santa Cruz.

Office Locations

DHMN - Santa Cruz

243 Green Valley Road Suite E
Freedom, CA 93901

(831) 722-8807

(831) 722-8809

open_in_new

243 Green Valley Road Suite E
Freedom, CA 95019

(831) 722-8807

(831) 722-8809

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald I. Waloff, MD in 2023

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

Top 25%

By Volume:

preventive care

screening colonoscopy

In 2012, Dr. Ronald I. Waloff, MD performed more preventive care, and screening colonoscopy procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	13
diagnostic procedures	296
doctor visit	344
esophageal dilation	13
gastrointestinal procedures	349
hospital care	461
inpatient care	461
minimally invasive procedures	349
preventive care	40
removal of lesion (e.g. growth)	296

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	12
diagnostic procedures	275
doctor visit	390
esophageal dilation	12
gastrointestinal procedures	327
hospital care	224
inpatient care	224
minimally invasive procedures	327
preventive care	40
removal of lesion (e.g. growth)	275

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	204
Female	285

**Ethnicity**
Non-Hispanic White	396
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	128
85 and over	102
Less than 65	95

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	45
Dementia	20
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

anastomosis	12
catheterization	12
diagnostic procedures	272
doctor visit	324
gastrointestinal procedures	310
hospital care	208
inpatient care	208
minimally invasive procedures	310
preventive care	26
removal of lesion (e.g. growth)	272

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	215
Female	254

**Ethnicity**
Non-Hispanic White	391
Black	58
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	119
85 and over	90
Less than 65	98

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2014

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	50
Depression	34
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	237
doctor visit	286
esophageal dilation	14
gastrointestinal procedures	291
hospital care	179
inpatient care	179
minimally invasive procedures	291
preventive care	40
removal of lesion (e.g. growth)	237

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	408
Female	460

**Ethnicity**
Non-Hispanic White	722
Black	108
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	226
85 and over	166
Less than 65	144

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	35
Asthma	18
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	14
diagnostic procedures	324
doctor visit	233
esophageal dilation	14
gastrointestinal procedures	396
hospital care	197
injections	17
inpatient care	197
minimally invasive procedures	396
preventive care	41
removal of lesion (e.g. growth)	324

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	208
Female	257

**Ethnicity**
Non-Hispanic White	389
Black	53
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	120
85 and over	75
Less than 65	85

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2016

Hypertension	75
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	49
Depression	33
Chronic Kidney Disease	39
Asthma	28
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	34
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	16
diagnostic procedures	353
doctor visit	120
esophageal dilation	16
gastrointestinal procedures	447
hospital care	191
injections	12
inpatient care	191
minimally invasive procedures	447
preventive care	53
removal of lesion (e.g. growth)	353

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	221
Female	222

**Ethnicity**
Non-Hispanic White	357
Black	57
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	117
85 and over	64
Less than 65	79

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2017

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2018 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

balloon dilation	13
diagnostic procedures	161
esophageal dilation	13
gastrointestinal procedures	215
hospital care	200
inpatient care	200
minimally invasive procedures	215
preventive care	22
removal of lesion (e.g. growth)	161

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	123
Female	131

**Ethnicity**
Non-Hispanic White	217
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	93
85 and over	44
Less than 65	43

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	59
Depression	44
Chronic Kidney Disease	57
Asthma	12
Osteoperosis	10
Atrial Fibrilation	31
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	27
Cancer	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

diagnostic procedures	66
doctor visit	45
gastrointestinal procedures	66
hospital care	42
inpatient care	42
minimally invasive procedures	66
removal of lesion (e.g. growth)	66

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	36
Female	50

**Ethnicity**
Non-Hispanic White	35
Black	0
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2019

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

diagnostic procedures	113
doctor visit	99
gastrointestinal procedures	143
hospital care	100
inpatient care	100
minimally invasive procedures	143
preventive care	30
removal of lesion (e.g. growth)	113

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	75
Female	90

**Ethnicity**
Non-Hispanic White	50
Black	0
Hispanic	101
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	42
85 and over	14
Less than 65	28

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	30
Depression	20
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	50
Dementia	17
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

diagnostic procedures	112
doctor visit	116
gastrointestinal procedures	142
hospital care	88
inpatient care	88
minimally invasive procedures	142
preventive care	30
removal of lesion (e.g. growth)	112

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	85
Female	107

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	124
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	46
85 and over	12
Less than 65	27

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	39
Asthma	8
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	48
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

diagnostic procedures	135
doctor visit	99
gastrointestinal procedures	161
hospital care	87
inpatient care	87
minimally invasive procedures	161
preventive care	26
removal of lesion (e.g. growth)	135

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	102
Female	126

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	134
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	57
85 and over	18
Less than 65	35

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	23
Depression	25
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	53
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ronald I. Waloff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald I. Waloff, MD treated as a gastroenterologist in Freedom, CA were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

anastomosis	12
balloon dilation	13
catheterization	12
diagnostic procedures	213
doctor visit	205
esophageal dilation	13
gastrointestinal procedures	258
hospital care	179
injections	14
inpatient care	179
minimally invasive procedures	258
preventive care	34
removal of lesion (e.g. growth)	213

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ronald I. Waloff, MD.

**Gender**
Male	152
Female	180

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	1
Non-Hispanic White	242
Native American / Alaskan Native	0
Hispanic	37
Other	1

**Age**
75 to 84	88
85 and over	53
Less than 65	57
65 to 74	131

Average of Total of Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	37
Depression	26
Chronic Kidney Disease	37
Asthma	10
Osteoporosis	10
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Atrial Fibrillation	17
Dementia	14
Cancer	12

Education & Training

Dr. Ronald I. Waloff, MD graduated from Temple University School of Medicine. He completed residency at Temple University Affiliated Hospitals. He has a state license in California.

Medical School: Temple University School of Medicine

Residency: Temple University Affiliated Hospitals

Licensed In: California

Affiliations & Hospitals

Dr. Ronald I. Waloff, MD is associated with these hospitals and organizations:

Dignity Health

DHMN - Santa Cruz

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie Inc.	$588 Humira $245	Mavyret $211	Creon $60	LINZESS $45	Rinvoq $27
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$256 Trulance $117	XIFAXAN $84	PLENVU $56
Gilead Sciences Inc	$162 $162
Janssen Biotech, Inc.	$151 STELARA $151
Janssen Scientific Affairs, LLC	$125 $125
Other	$1,206 Injectafer $121	LINX $120	DIFICID $112	ZEPOSIA $102	Ocaliva $101	Other $650

**Types of Payments**
Food and Beverage	$2,448
Education	$27
Consulting Fee	$13

Biography

Dr. Ronald Waloff is a Freedom, CA physician who specializes in adult gastroenterology. He is affiliated with Dignity Health. He obtained his medical school training at Temple University School of Medicine and performed his residency at a hospital affiliated with Temple University. According to Dignity Health, new patients are welcome to contact Dr. Waloff's office in Freedom, CA.

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Dr. Ronald I. Waloff, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald I. Waloff, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Ronald I. Waloff, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Freedom, CA