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Dr. Donn Marshall Davis, MD

Accepting New Patients

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Specializes in: Radiation Oncology

University of Nebraska College of Medicine

7825 E Florentine Road
Prescott Valley, AZ 86314

(928) 775-0810

Dr. Donn Marshall Davis, MD is a radiation oncologist in Prescott, AZ specializing in radiation oncology. He graduated from University of Nebraska College of Medicine. Dr. Donn Marshall Davis, MD is affiliated with Dignity Health, Yavapai Regional Medical Center & Medical Group and Yavapai Regional Medical Center West.

Office Locations

Yavapai Regional Medical Center West

1100 Gail Gardner Way
Prescott, AZ 86301

(928) 776-1040

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1100 Gail Gardner Way
Prescott, AZ 86305

(928) 776-1040

(928) 776-1041

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7825 E Florentine Road
Prescott Valley, AZ 86314

(928) 775-0810

(928) 775-0827

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Noteworthy Medicare Patient Procedures Performed by Dr. Donn Marshall Davis, MD in 2023

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

Top 5%

By Volume:

biological response modifier therapy

intravenous infusion therapy

intravenous chemotherapy

port flush

By Affordability:

intravenous infusion therapy

intravenous infusion

In 2023, among providers in related specialties within Arizona, Dr. Donn Marshall Davis, MD performed more biological response modifier (BRM) therapy, intravenous infusion therapy, intravenous (IV) chemotherapy, and port flush procedures for Medicare patients than 95% of them and he also had a list price for intravenous infusion therapy, and intravenous (IV) infusion 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.

Top 10%

By Volume:

external beam radiation therapy

In 2023, Dr. Donn Marshall Davis, MD performed more external beam radiation therapy (EBRT) procedures for Medicare patients than 90% of providers in related specialties within Arizona.

Top 25%

By Volume:

image guided procedures

In 2012, Dr. Donn Marshall Davis, MD performed more image guided procedures procedures for Medicare patients than 75% of providers in related specialties within Arizona.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2012 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	569
hospital care	12
inpatient care	12
radiation therapy	60

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2013 were radiation therapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	457
radiation therapy	42

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	52
Female	102

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	37
85 and over	17
Less than 65	17

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2013

Hypertension	50
High Cholesterol	40
Stroke	9
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	19
Diabetes	15
Dementia	10
Cancer	51

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2014 were radiation therapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	411
radiation therapy	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	47
Female	108

**Ethnicity**
Non-Hispanic White	141
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	45
85 and over	15
Less than 65	17

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2014

Hypertension	51
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	17
Dementia	7
Cancer	52

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2015 were radiation therapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	364
radiation therapy	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	96
Female	196

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	88
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2015

Hypertension	62
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	21
Diabetes	19
Dementia	8
Cancer	59

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2016 were radiation therapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	367
radiation therapy	64

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	38
Female	100

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	36
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2016

Hypertension	60
High Cholesterol	39
Stroke	9
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	27
Asthma	20
Osteoperosis	9
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	18
Diabetes	20
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2017 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	311
hospital care	15
inpatient care	15
radiation therapy	27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	42
Female	101

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	40
85 and over	18
Less than 65	13

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2017

Hypertension	58
High Cholesterol	42
Stroke	10
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	25
Dementia	8
Cancer	62

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2018 were radiation therapy, hospital care and inpatient care.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	327
hospital care	20
inpatient care	20
radiation therapy	47

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	35
Female	105

**Ethnicity**
Non-Hispanic White	126
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2018

Hypertension	58
High Cholesterol	46
Stroke	13
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	24
Diabetes	23
Dementia	0
Cancer	56

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2019 were radiation therapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	299
radiation therapy	39

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	38
Female	105

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2019

Hypertension	63
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	18
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	24
Diabetes	23
Dementia	10
Cancer	58

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2020 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

doctor visit	805
image guided procedures	167
radiation therapy	1255

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	109
Female	128

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	89
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2020

Hypertension	68
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	49
Depression	20
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	27
Diabetes	20
Dementia	0
Cancer	71

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2021 were radiation therapy, image guided procedures, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

biological response modifier (BRM) therapy	99
chemotherapy	99
doctor visit	1178
image guided procedures	142
minimally invasive procedures	125
radiation therapy	1550

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	190
Female	221

**Ethnicity**
Non-Hispanic White	382
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	156
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2021

Hypertension	67
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	50
Depression	20
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	19
Dementia	8
Cancer	72

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ during 2022 were radiation therapy, image guided procedures, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

biological response modifier (BRM) therapy	80
chemotherapy	80
doctor visit	1233
image guided procedures	190
minimally invasive procedures	110
port flush	59
radiation therapy	1182

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	246
Female	246

**Ethnicity**
Non-Hispanic White	462
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	251
From 75 to 84	195
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	23
Diabetes	23
Dementia	3
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Donn Marshall Davis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Donn Marshall Davis, MD treated as a radiation oncologist in Prescott, AZ were radiation therapy, image guided procedures, minimally invasive procedures and chemotherapy.

biological response modifier (BRM) therapy	89
chemotherapy	89
doctor visit	574
hospital care	15
image guided procedures	166
inpatient care	15
minimally invasive procedures	117
radiation therapy	396

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Donn Marshall Davis, MD.

**Gender**
Male	81
Female	128

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	193
Hispanic	0
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	70
85 and over	5
Less than 65	5
65 to 74	109

Average of Total of Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD From 2012 - 2022

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

Hypertension	55
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	26
Asthma	7
Osteoporosis	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	19
Diabetes	18
Atrial Fibrillation	7
Cancer	55
Dementia	4

Education & Training

Dr. Donn Marshall Davis, MD graduated from University of Nebraska College of Medicine. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He has a state license in Arizona.

Medical School: University of Nebraska College of Medicine

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Licensed In: Arizona

Affiliations & Hospitals

Dr. Donn Marshall Davis, MD is associated with these hospitals and organizations:

Dignity Health

Yavapai Regional Medical Center & Medical Group

Yavapai Regional Medical Center West

Ratings & Reviews

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General Payments

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

**Payments by Company**
Varian Medical Systems, Inc.	$1,060 Edge $856	TrueBeam $204
Elekta, Inc.	$583 Perfection $583
AstraZeneca Pharmaceuticals LP	$27 IMFINZI $27
Siemens Medical Solutions USA, Inc.	$23 TrueBeam $23
Boston Scientific Corporation	$19 SpaceOAR VUE System - 10mL $19
Other	$19 PYLARIFY $19

**Types of Payments**
Travel and Lodging	$1,515
Food and Beverage	$216

Research Payments

Dr. Donn Marshall Davis, MD has received 2 research payments totaling $13,960.

Biography

Dr. Donn Davis practices radiation oncology. After completing medical school at the University of Nebraska College of Medicine, Dr. Davis performed his residency at a hospital affiliated with the University of California, San Francisco (UCSF). He is professionally affiliated with Dignity Health. Dignity Health reports that he is accepting new patients at his office in Prescott, AZ.

Select Year:

Dr. Donn Marshall Davis, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Donn Marshall Davis, MD in 2023

By Volume:

By Affordability:

By Volume:

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. Donn Marshall Davis, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Donn Marshall Davis, 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. Donn Marshall Davis, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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