Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > AZ Providers > Radiation Oncologists

Dr. Gregory A. Maggass, MD

Accepting New Patients

(No ratings)

Specializes in: Radiation Oncology

Medical College of Wisconsin (1983)

19646 N 27th Avenue Suite 108
Phoenix, AZ 85027

(602) 603-0970

Dr. Gregory A. Maggass, MD is a radiation oncologist in Gilbert, AZ specializing in radiation oncology. He graduated from Medical College of Wisconsin in 1983 and has 43 years of experience. Dr. Gregory A. Maggass, MD is affiliated with Dignity Health, Deer Valley Medical Center, Scottsdale Shea Medical Center, Scottsdale Osborn Medical Center, Scottsdale Thompson Peak Medical Center, Honor Health, ARIZONA CENTER FOR HEMATOLOGY AND ONCOLOGY PLC, Chandler Regional Medical Center Mercy Gilbert Medical Center and John C Lincoln Medical Center.

Office Locations

3645 S Rome Street Suite 116
Gilbert, AZ 85297

open_in_new

Chandler Regional Medical Center Mercy Gilbert Medical Center

10460 N 92nd Street Suite 101
Scottsdale, AZ 85258

(480) 278-8300

(480) 922-5231

open_in_new

Chandler Regional Medical Center Mercy Gilbert Medical Center

19646 N 27th Avenue Suite 108
Phoenix, AZ 85027

(602) 603-0970

(602) 412-3072

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2012 were radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	506
marker placement for prostate radiation therapy	14
radiation therapy	1094

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2013 were radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	580
marker placement for prostate radiation therapy	18
radiation therapy	1359

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	127
Female	68

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

**Age**
From 65 to 74	115
From 75 to 84	66
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2013

Hypertension	57
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	34
Depression	8
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2014 were radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	610
marker placement for prostate radiation therapy	15
radiation therapy	971

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	128
Female	71

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2014

Hypertension	56
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2015 were radiation therapy, image guided procedures and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	659
image guided procedures	34
marker placement for prostate radiation therapy	15
radiation therapy	380

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	288
Female	136

**Ethnicity**
Non-Hispanic White	360
Black	0
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	146
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2015

Hypertension	67
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2016 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	566
image guided procedures	21
radiation therapy	402

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	129
Female	69

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

**Age**
From 65 to 74	128
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2016

Hypertension	65
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	36
Depression	13
Chronic Kidney Disease	25
Asthma	17
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2017 were radiation therapy, image guided procedures and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	717
image guided procedures	86
marker placement for prostate radiation therapy	21
radiation therapy	652

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	167
Female	97

**Ethnicity**
Non-Hispanic White	234
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	94
85 and over	21
Less than 65	12

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2017

Hypertension	70
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	42
Depression	16
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2018 were radiation therapy, image guided procedures and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	528
image guided procedures	55
marker placement for prostate radiation therapy	19
radiation therapy	444

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	169
Female	76

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	90
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2018

Hypertension	64
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	41
Depression	18
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2019 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	568
image guided procedures	33
radiation therapy	338

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	193
Female	79

**Ethnicity**
Non-Hispanic White	237
Black	0
Hispanic	13
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	92
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2019

Hypertension	67
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	8
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2020 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	349
image guided procedures	24
radiation therapy	247

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	137
Female	76

**Ethnicity**
Non-Hispanic White	185
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	71
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2020

Hypertension	67
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2021 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	444
image guided procedures	32
radiation therapy	286

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	159
Female	81

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

**Age**
From 65 to 74	139
From 75 to 84	79
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2021

Hypertension	66
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ during 2022 were radiation therapy and image guided procedures.

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

doctor visit	491
image guided procedures	30
radiation therapy	226

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	224
Female	86

**Ethnicity**
Non-Hispanic White	263
Black	13
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	113
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD in 2022

Hypertension	72
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	24
Depression	18
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory A. Maggass, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory A. Maggass, MD treated as a radiation oncologist in Gilbert, AZ were radiation therapy and image guided procedures.

doctor visit	547
image guided procedures	39
radiation therapy	581

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory A. Maggass, MD.

**Gender**
Male	156
Female	76

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	203
Native American / Alaskan Native	0
Hispanic	5
Other	3

**Age**
75 to 84	79
85 and over	1
Less than 65	1
65 to 74	133

Average of Total of Conditions of Medicare patients treated by Dr. Gregory A. Maggass, MD From 2012 - 2022

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

Hypertension	59
High Cholesterol	55
Stroke	1
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	24
Asthma	6
Osteoporosis	5
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Atrial Fibrillation	9
Dementia	2
Cancer	68

Education & Training

Dr. Gregory A. Maggass, MD graduated from Medical College of Wisconsin in 1983. He completed residency at Los Angeles County+USC Medical Center. He is certified by the American Board of Radiology and has a state license in Arizona.

Medical School: Medical College of Wisconsin (1983)

Residency: Los Angeles County+USC Medical Center

Board Certification: American Board of Radiology

Licensed In: Arizona

Affiliations & Hospitals

Dr. Gregory A. Maggass, MD is associated with these hospitals and organizations:

Dignity Health

Deer Valley Medical Center

Scottsdale Shea Medical Center

Scottsdale Osborn Medical Center

Scottsdale Thompson Peak Medical Center

Honor Health

ARIZONA CENTER FOR HEMATOLOGY AND ONCOLOGY PLC

Chandler Regional Medical Center Mercy Gilbert Medical Center

John C Lincoln Medical Center

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Gregory A. Maggass, MD appears to accept the following insurance providers: Medicare Advantage, Oscar, United Healthcare, Aetna Medicare, Aetna Commercial, Arizona Complete Health, BlueCross BlueShield Alliance, Banner Aetna and HonorHealth Employee Plan.

Insurance Accepted by Provider includes:

According to our sources, Dr. Gregory A. Maggass, MD accepts the following insurance providers:

Medicare Advantage

Oscar

United Healthcare

Aetna Medicare

Aetna Commercial

Arizona Complete Health

BlueCross BlueShield Alliance

Banner Aetna

HonorHealth Employee Plan

Ratings & Reviews

Dr. Gregory A. Maggass, MD does not have any reviews yet, be the first to leave a review of Dr. Gregory A. Maggass, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Bayer HealthCare Pharmaceuticals Inc.	$18,214 Xofigo $18,074	Nubeqa $71	Vitrakvi $42	Nexavar $26
Varian Medical Systems, Inc.	$2,899 Halcyon $915	TrueBeam $854	Edge $483	Eclipse $246	Calypso $243	Other $157
Elekta, Inc.	$1,183 Esteya $230	Monaco $185	SYNERGY $175	ELEKTA ONCOLOGY INFO SYSTEM $166	ELEKTA BRACHYTHERAPY $129	Other $297
Siemens Medical Solutions USA, Inc.	$961 TrueBeam $758	Halcyon $94	Varian Ethos Treatment Planning $67	ARIA Radiation Therapy Management Software $41
Augmenix, Inc.	$615 SpaceOAR $615
Other	$7,056 PYLARIFY $469	XTANDI $400	Zevalin $242	SIR-Spheres microspheres $217	SUBSYS $192	Other $5,536

**Types of Payments**
Food and Beverage	$12,795
Consulting Fee	$7,800
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$6,029
Education	$2,663
Travel and Lodging	$1,639

Biography

Dr. Gegory Maggass' specialty is radiation oncology. He seems to be an in-network provider for Aetna Medicare, Aetna, and Oscar, as well as other insurance carriers. Dr. Maggass attended medical school at Medical College of Wisconsin. His medical residency was performed at Los Angeles County+USC Medical Center. His professional affiliations include Scottsdale Osborn Medical Center, Scottsdale Shea Medical Center, and Deer Valley Medical Center. According to Doctor.com, new patients are welcome to contact his office in Gilbert, AZ.