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Dr. John Thomas Barrett, MD

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Specializes in: Radiation Oncology and General Practice

University of South Carolina School of Medicine

821 Saint Sebastian Way
Augusta, GA 30912

(706) 721-2971

Dr. John Thomas Barrett, MD is a radiation oncologist in Augusta, GA specializing in radiation oncology and general practice. He graduated from University of South Carolina School of Medicine. Dr. John Thomas Barrett, MD is affiliated with Wellstar, AU MEDICAL ASSOCIATES INC and Wellstar MCG Health Medical Center.

Office Locations

Wellstar MCG Health Medical Center

821 Saint Sebastian Way
Augusta, GA 30912

(706) 721-2971

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Noteworthy Medicare Patient Procedures Performed by Dr. John Thomas Barrett, MD in 2023

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

Top 5%

By Affordability:

radiation therapy

In 2023, Dr. John Thomas Barrett, MD had a list price for radiation therapy that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Georgia. 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

2013 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2013 were radiation therapy, image guided procedures and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	997
image guided procedures	65
marker placement for prostate radiation therapy	15
radiation therapy	2698

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	255
Female	169

**Ethnicity**
Non-Hispanic White	383
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	162
85 and over	55
Less than 65	18

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2013

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2013 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	74
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	44
Depression	15
Chronic Kidney Disease	26
Asthma	4
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	8
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2014 were radiation therapy, image guided procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	958
hospital care	23
image guided procedures	71
inpatient care	23
marker placement for prostate radiation therapy	14
radiation therapy	3045

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	269
Female	159

**Ethnicity**
Non-Hispanic White	386
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	174
85 and over	52
Less than 65	17

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2014

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2014 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	73
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	42
Depression	14
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2015 were radiation therapy, image guided procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	969
hospital care	17
image guided procedures	51
inpatient care	17
laryngeal (voice box) procedures	20
marker placement for prostate radiation therapy	16
minimally invasive procedures	20
radiation therapy	1333

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	522
Female	336

**Ethnicity**
Non-Hispanic White	788
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	336
85 and over	110
Less than 65	38

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2015

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2015 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	44
Depression	18
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2016 were radiation therapy, image guided procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	1029
hospital care	16
image guided procedures	103
inpatient care	16
laryngeal (voice box) procedures	21
marker placement for prostate radiation therapy	17
minimally invasive procedures	21
radiation therapy	1291

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	277
Female	163

**Ethnicity**
Non-Hispanic White	400
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	177
85 and over	62
Less than 65	17

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2016

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2016 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	45
Depression	15
Chronic Kidney Disease	37
Asthma	26
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	40
Dementia	9
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2017 were radiation therapy, image guided procedures, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	617
image guided procedures	67
laryngeal (voice box) procedures	14
minimally invasive procedures	14
radiation therapy	1097

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	239
Female	120

**Ethnicity**
Non-Hispanic White	319
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	145
From 75 to 84	149
85 and over	41
Less than 65	24

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2017

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2017 were cancer, hypertension, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	46
Depression	19
Chronic Kidney Disease	42
Asthma	7
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	11
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2018 were radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	380
laryngeal (voice box) procedures	18
minimally invasive procedures	18
radiation therapy	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	94
Female	54

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	39
85 and over	12
Less than 65	32

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2018

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2018 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	72
High Cholesterol	52
Stroke	7
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	8
Cancer	46

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2019 were radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	195
radiation therapy	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	76
Female	51

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2019

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2019 were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	72
High Cholesterol	47
Stroke	9
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	34
Dementia	0
Cancer	44

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2020 were radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	208
radiation therapy	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	83
Female	39

**Ethnicity**
Non-Hispanic White	78
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2020

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and cancer.

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	40
Depression	26
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	45
Dementia	9
Cancer	46

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2021 were radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	226
radiation therapy	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	85
Female	49

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	44
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2021

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2021 were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	74
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	36
Dementia	12
Cancer	48

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2022 were radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	250
radiation therapy	15

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	78
Female	43

**Ethnicity**
Non-Hispanic White	85
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2022

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2022 were hypertension, high cholesterol, cancer and diabetes.

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	0
Cancer	57

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA during 2023 were radiation therapy.

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

doctor visit	221
radiation therapy	17

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	79
Female	40

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD in 2023

The most common conditions of Medicare patients that Dr. John Thomas Barrett, MD treated during 2023 were hypertension, high cholesterol, cancer and diabetes.

Hypertension	75
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	23
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	0
Cancer	56

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. John Thomas Barrett, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Thomas Barrett, MD treated as a radiation oncologist in Augusta, GA were radiation therapy, image guided procedures, minimally invasive procedures and hospital care.

doctor visit	550
hospital care	18
image guided procedures	71
inpatient care	18
laryngeal (voice box) procedures	18
minimally invasive procedures	18
radiation therapy	869

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. John Thomas Barrett, MD.

**Gender**
Male	187
Female	111

**Ethnicity**
Black / African American	12
Asian / Pacific Islander	0
Non-Hispanic White	251
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	112
85 and over	30
Less than 65	13
65 to 74	132

Average of Total of Conditions of Medicare patients treated by Dr. John Thomas Barrett, MD From 2013 - 2023

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

Hypertension	74
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	34
Asthma	6
Osteoporosis	4
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Atrial Fibrillation	12
Cancer	61
Dementia	6

Education & Training

Dr. John Thomas Barrett, MD graduated from University of South Carolina School of Medicine. He is certified by the American Board of Radiology - Rad/Oncology and has a state license in Georgia.

Medical School: University of South Carolina School of Medicine

Board Certification: American Board of Radiology - Rad/Oncology

Licensed In: Georgia

Affiliations & Hospitals

Dr. John Thomas Barrett, MD is associated with these hospitals and organizations:

Wellstar

AU MEDICAL ASSOCIATES INC

Wellstar MCG Health Medical Center

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General Payments

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

**Payments by Company**
Novocure Inc.	$471 Optune $471
Varian Medical Systems, Inc.	$169 TrueBeam $31	Treatment Planning Systems $14	$124
Merck Sharp & Dohme Corporation	$129 KEYTRUDA $129
Allergan Inc.	$102 DALVANCE $102
Elekta, Inc.	$85 LEKSELL GAMMA KNIFE ICON $85
Other	$263 REFLEXION MEDICAL RADIOTHERAPY SYSTEM $62	Xofigo $31	TrueBeam $31	SPACEOAR VUE $24	Bravos Afterloader System $20	Other $95

**Types of Payments**
Food and Beverage	$1,219

Biography

Dr. John Barrett is a specialist in general practice and radiation oncology in Augusta, GA. He is affiliated with Wellstar. He attended medical school at the University of South Carolina School of Medicine.