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Home > CA Providers > Radiation Oncologists

Dr. Ralph Bailey Hanahan, MD

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Specializes in: Radiation Oncology

3555 Round Barn Circle
Santa Rosa, CA 95403

(707) 522-6875

Dr. Ralph Bailey Hanahan, MD is a radiation oncologist in Santa Rosa, CA specializing in radiation oncology.

Office Locations

3555 Round Barn Circle
Santa Rosa, CA 95403

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In The News

“Oncologist Dr. Ralph Hanahan, who has been working closely with White, was more blunt.”—"Impressive motorcycle collection with one heck of a life story to go with it", Reading Eagle, June 2017

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2012 were radiation therapy.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

doctor visit	63
radiation therapy	190

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2013 were radiation therapy, lab tests, blood draw and chemotherapy.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

biological response modifier (BRM) therapy	14
blood draw	43
chemotherapy	14
doctor visit	237
lab tests	60
minimally invasive procedures	14
radiation therapy	486

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	117
Female	107

**Ethnicity**
Non-Hispanic White	202
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	81
85 and over	41
Less than 65	13

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2013

Hypertension	67
High Cholesterol	48
Stroke	5
Ischemic Heart Disease	39
Depression	16
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	25
Dementia	8
Cancer	61

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2014 were radiation therapy, lab tests and blood draw.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

blood draw	27
doctor visit	165
lab tests	35
radiation therapy	234

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	91
Female	111

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

**Age**
From 65 to 74	83
From 75 to 84	81
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2014

Hypertension	57
High Cholesterol	45
Stroke	7
Ischemic Heart Disease	38
Depression	20
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	23
Dementia	8
Cancer	67

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2015 were radiation therapy.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

doctor visit	24
radiation therapy	101

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	184
Female	134

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	112
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2015

Hypertension	67
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	23
Asthma	15
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	27
Diabetes	24
Dementia	0
Cancer	70

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2016 were radiation therapy.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

doctor visit	25
radiation therapy	154

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	97
Female	85

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	65
85 and over	14
Less than 65	14

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2016

Hypertension	60
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	27
Asthma	18
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	22
Dementia	0
Cancer	72

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA during 2017 were radiation therapy.

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

doctor visit	46
radiation therapy	87

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	86
Female	85

**Ethnicity**
Non-Hispanic White	150
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	52
85 and over	20
Less than 65	18

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2017

Hypertension	55
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	27
Depression	26
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	20
Diabetes	16
Dementia	6
Cancer	61

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	39
Female	25

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

**Age**
From 65 to 74	31
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2018

Hypertension	70
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	20
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2018

Volume of procedures performed by Dr. Ralph Bailey Hanahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ralph Bailey Hanahan, MD treated as a radiation oncologist in Santa Rosa, CA were radiation therapy, lab tests, blood draw and chemotherapy.

biological response modifier (BRM) therapy	14
blood draw	35
chemotherapy	14
doctor visit	93
lab tests	47
minimally invasive procedures	14
radiation therapy	208

Average Medicare Patient Data From 2012 - 2018

Information about Medicare patients treated by Dr. Ralph Bailey Hanahan, MD.

**Gender**
Male	87
Female	78

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	147
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	59
85 and over	10
Less than 65	6
65 to 74	76

Average of Total of Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD From 2012 - 2018

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

Hypertension	53
High Cholesterol	40
Stroke	1
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	24
Asthma	6
Osteoporosis	5
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	18
Atrial Fibrillation	7
Dementia	3
Cancer	58

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Dendreon Corporation	$67 PROVENGE $67
Novartis Pharmaceuticals Corporation	$56 AFINITOR $23	TASIGNA $17	SANDOSTATIN $16
AstraZeneca Pharmaceuticals LP	$47 CALQUENCE $21	IRESSA $15	TAGRISSO $11
Boehringer Ingelheim Pharmaceuticals, Inc.	$26 Gilotrif $26
E.R. Squibb & Sons, L.L.C.	$14 OPDIVO $14

**Types of Payments**
Food and Beverage	$210

Biography

Dr. Ralph Hanahan is a specialist in radiation oncology. He works in Santa Rosa, CA. Dr. Hanahan has obtained a license to practice in California.

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Dr. Ralph Bailey Hanahan, MD

Office Locations

In The News

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. Ralph Bailey Hanahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD in 2018

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2018

Average Medicare Patient Data From 2012 - 2018

Average of Total of Conditions of Medicare patients treated by Dr. Ralph Bailey Hanahan, MD From 2012 - 2018

Education & Training

Ratings & Reviews

General Payments

Biography

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