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Home > AZ Providers > Radiation Oncologists

Dr. William G. Rule, MD

(William Rule, M.D.)

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Specializes in: Radiation Oncology and Nuclear Medicine

Oregon Health & Science University School of Medicine (2006)

Professional interests include: pancreatic cancer, esophageal cancer, neuroendocrine tumors, and more.

5779 E. Mayo Boulevard
Phoenix, AZ 85054

(480) 342-2000

Dr. William G. Rule, MD is a radiation oncologist in Phoenix, AZ specializing in radiation oncology and nuclear medicine. He graduated from Oregon Health & Science University School of Medicine in 2006 and has 20 years of experience. Dr. William G. Rule, MD is affiliated with Mayo Clinic and MAYO CLINIC ARIZONA.

Office Locations

5779 E. Mayo Boulevard
Phoenix, AZ 85054

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Phoenix, AZ

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Noteworthy Medicare Patient Procedures Performed by Dr. William G. Rule, MD in 2023

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

Top 5%

By Volume:

radiation therapy

By Affordability:

radiation therapy

In 2023, among providers in related specialties within Arizona, Dr. William G. Rule, MD performed more radiation therapy procedures for Medicare patients than 95% of them and he also had a list price for radiation therapy that was lower than the list prices billed to Medicare by 95% of them. 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

2012 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2012 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	297
image guided procedures	69
radiation therapy	758

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2013 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	288
image guided procedures	43
radiation therapy	777

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	120
Female	97

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

**Age**
From 65 to 74	112
From 75 to 84	77
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2013

Hypertension	63
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	17
Dementia	6
Cancer	65

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2014 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	320
image guided procedures	35
radiation therapy	508

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	128
Female	72

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	80
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2014

Hypertension	65
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	48
Depression	22
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	24
Dementia	0
Cancer	60

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2015 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	292
image guided procedures	22
radiation therapy	223

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	218
Female	158

**Ethnicity**
Non-Hispanic White	344
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	152
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2015

Hypertension	63
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	48
Depression	20
Chronic Kidney Disease	34
Asthma	18
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	19
Chronic Obstructive Pulmonary Disease	27
Diabetes	22
Dementia	9
Cancer	58

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2016 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	326
radiation therapy	144

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	109
Female	81

**Ethnicity**
Non-Hispanic White	173
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	76
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2016

Hypertension	61
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	37
Depression	19
Chronic Kidney Disease	37
Asthma	22
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	21
Dementia	7
Cancer	58

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2017 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	295
radiation therapy	50

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	105
Female	66

**Age**
From 65 to 74	79
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2017

Hypertension	56
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	40
Depression	19
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	19
Dementia	0
Cancer	50

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2018 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	323
radiation therapy	51

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	121
Female	78

**Ethnicity**
Non-Hispanic White	175
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	74
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2018

Hypertension	60
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	41
Depression	19
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	22
Dementia	8
Cancer	43

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2019 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	288
radiation therapy	53

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	109
Female	63

**Ethnicity**
Non-Hispanic White	152
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2019

Hypertension	60
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	17
Diabetes	21
Dementia	8
Cancer	43

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2020 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	192
radiation therapy	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	116
Female	51

**Ethnicity**
Non-Hispanic White	145
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2020

Hypertension	58
High Cholesterol	51
Stroke	9
Ischemic Heart Disease	37
Depression	14
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	9
Cancer	40

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2021 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	391
radiation therapy	32

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	177
Female	77

**Ethnicity**
Non-Hispanic White	228
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2021

Hypertension	67
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	39
Depression	14
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	7
Cancer	41

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ during 2022 were radiation therapy.

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

doctor visit	399
radiation therapy	37

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	151
Female	89

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	79
85 and over	20
Less than 65	11

Conditions of Medicare patients treated by Dr. William G. Rule, MD in 2022

Hypertension	65
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	25
Depression	18
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	17
Atrial Fibrilation	23
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	23
Dementia	5
Cancer	48

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William G. Rule, MD for Medicare patients.

The highest averages for the top procedures that Dr. William G. Rule, MD treated as a radiation oncologist in Phoenix, AZ were radiation therapy and image guided procedures.

doctor visit	310
image guided procedures	42
radiation therapy	240

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William G. Rule, MD.

**Gender**
Male	123
Female	75

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	165
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	74
85 and over	1
Less than 65	1
65 to 74	97

Average of Total of Conditions of Medicare patients treated by Dr. William G. Rule, MD From 2012 - 2022

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

Hypertension	56
High Cholesterol	48
Stroke	2
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	31
Asthma	6
Osteoporosis	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	19
Atrial Fibrillation	14
Cancer	46
Dementia	5

Education & Training

Dr. William G. Rule, MD graduated from Oregon Health & Science University School of Medicine in 2006. He completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. He is certified by the Radiation Oncology American Board of Radiology and has a state license in Arizona.

Medical School: Oregon Health & Science University School of Medicine (2006)

Residency: University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals (2011)

Board Certification: Radiation Oncology American Board of Radiology (2012)

Licensed In: Arizona

Affiliations & Hospitals

Dr. William G. Rule, MD is associated with these hospitals and organizations:

Mayo Clinic

MAYO CLINIC ARIZONA

Ratings & Reviews

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General Payments

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

**Payments by Company**
Sirtex Medical Inc	$189 SIR-Spheres microspheres $189

**Types of Payments**
Food and Beverage	$189

Biography

Dr. William Rule is a radiation oncology and nuclear medicine specialist in Phoenix, AZ. His areas of expertise include esophageal cancer, rectal cancer, and intensity-modulated radiation therapy (IMRT). His education and training includes medical school at Oregon Health & Science University School of Medicine and residency at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas. Dr. Rule has received professional recognition including the following: Respect - Mayo Clinic Above and Beyond Employee Recognition Program; Teamwork - Mayo Clinic Above and Beyond Employee Recognition Program; and Excellence - Mayo Clinic Above and Beyond Employee Recognition Program. In addition to English, he speaks Spanish. He is affiliated with Mayo Clinic.