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Home > UT Providers > Radiation Oncologists

Dr. John K. Hayes JR., MD

(Dr. John Keith Hayes Jr., M.D.)

(No ratings)

Specializes in: Radiation Oncology

University of Utah School of Medicine

1600 W Antelope Drive
Layton, UT 84041

(801) 807-1000

Dr. John K. Hayes JR., MD is a radiation oncologist in Salt Lake City, UT specializing in radiation oncology. He graduated from University of Utah School of Medicine. Dr. John K. Hayes JR., MD is affiliated with St. John's Health, CommonSpirit Health - Mountain Region, MountainStar Healthcare and Lone Peak Hospital St. Mark's Hospital.

Office Locations

Lone Peak Hospital St. Mark's Hospital

1050 East South Temple
Salt Lake City, UT 84102

(801) 350-8400

open_in_new

1600 W Antelope Drive
Layton, UT 84041

(801) 807-1000

open_in_new

St. John's Health

625 East Broadway Avenue Po Box 428
Jackson, WY 83001

(307) 739-6195

(307) 739-7229

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In The News (see more mentions in the news)

“We wish to thank the University of Utah Radiation & Oncology Department, particularly Dr. John Hayes and his staff; Dr. Wolfram E. Samlowski and his staff; as well as our Hospice nurse, Karen...”—"Death: Kenneth B. Palmer", Desert News, October 1997

“John K. Hayes Jr., M.D. Salt Lake City.”—"QUIT THE ASSAULT ON SLEEP RHYTHMS", Desert News, April 1995

“My thanks to John K. Hayes Jr., M.D. of Salt Lake City, for his letter titled, "Quit the Assault on Sleep Rhythms" (Forum April 4).”—"TIME TO STOP IDIOCY WITH CLOCKS", Desert News, April 1995

Noteworthy Medicare Patient Procedures Performed by Dr. John K. Hayes JR., MD in 2023

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

Top 5%

By Affordability:

antigen tests

prostate-specific antigen test

total PSA test

In 2023, Dr. John K. Hayes JR., MD had a list price for antigen tests, prostate-specific antigen (PSA) test, and total PSA test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Utah. 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 25%

By Volume:

blood draw

phlebotomy for lab tests

In 2012, Dr. John K. Hayes JR., MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within Utah.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2012 were radiation therapy, lab tests, blood draw and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	134
doctor visit	369
lab tests	134
marker placement for prostate radiation therapy	12
radiation therapy	638

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2013 were radiation therapy, blood draw, lab tests and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	165
doctor visit	280
lab tests	161
marker placement for prostate radiation therapy	34
radiation therapy	210

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	240
Female	19

**Ethnicity**
Non-Hispanic White	244
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	96
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2013

Hypertension	48
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	26
Depression	10
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	25
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2014 were radiation therapy, blood draw, lab tests and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	184
doctor visit	396
hormone therapy	15
lab tests	182
marker placement for prostate radiation therapy	42
radiation therapy	554

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	256
Female	20

**Ethnicity**
Non-Hispanic White	260
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	101
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2014

Hypertension	51
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	32
Depression	12
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	24
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2015 were radiation therapy, blood draw, lab tests and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	197
doctor visit	421
hormone therapy	21
lab tests	192
marker placement for prostate radiation therapy	45
radiation therapy	240

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	578
Female	54

**Ethnicity**
Non-Hispanic White	608
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	238
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2015

Hypertension	53
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	32
Depression	9
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	4
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2016 were lab tests, blood draw, radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	211
doctor visit	402
hormone therapy	17
lab tests	217
marker placement for prostate radiation therapy	33
radiation therapy	155

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	298
Female	18

**Ethnicity**
Non-Hispanic White	300
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	141
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2016

Hypertension	53
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	29
Depression	8
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	4
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	4
Diabetes	24
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2017 were radiation therapy, lab tests, blood draw and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	177
doctor visit	379
hormone therapy	23
lab tests	180
marker placement for prostate radiation therapy	31
radiation therapy	189

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	241
Female	20

**Ethnicity**
Non-Hispanic White	241
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	106
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2017

Hypertension	59
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	31
Depression	10
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	30
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2018 were lab tests, blood draw, radiation therapy and hormone therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	163
doctor visit	327
hormone therapy	27
lab tests	166
marker placement for prostate radiation therapy	27
radiation therapy	127

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	220
Female	21

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	111
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2018

Hypertension	59
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	29
Depression	11
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	29
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2019 were lab tests, blood draw, radiation therapy and hormone therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	129
doctor visit	282
hormone therapy	20
lab tests	130
marker placement for prostate radiation therapy	20
radiation therapy	80

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	226
Female	46

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	102
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2019

Hypertension	63
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2020 were lab tests, blood draw, radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	121
doctor visit	262
lab tests	121
marker placement for prostate radiation therapy	17
radiation therapy	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	269
Female	60

**Ethnicity**
Non-Hispanic White	293
Black	0
Hispanic	14
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	115
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2020

Hypertension	59
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	3
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	31
Dementia	5
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2021 were blood draw, lab tests, radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	89
doctor visit	234
lab tests	87
marker placement for prostate radiation therapy	17
radiation therapy	37

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	199
Female	58

**Ethnicity**
Non-Hispanic White	238
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	99
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2021

Hypertension	62
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	4
Diabetes	33
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT during 2022 were blood draw, lab tests, radiation therapy and marker placement for prostate radiation therapy.

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

blood draw	88
doctor visit	202
lab tests	75
marker placement for prostate radiation therapy	15
radiation therapy	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	173
Female	19

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

**Age**
From 65 to 74	89
From 75 to 84	83
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	32
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John K. Hayes JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. John K. Hayes JR., MD treated as a radiation oncologist in Salt Lake City, UT were radiation therapy, blood draw, lab tests and hormone therapy.

blood draw	150
doctor visit	323
hormone therapy	20
lab tests	149
radiation therapy	206

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John K. Hayes JR., MD.

**Gender**
Male	245
Female	30

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	257
Native American / Alaskan Native	0
Hispanic	1
Other	1

**Age**
75 to 84	108
85 and over	0
Less than 65	0
65 to 74	138

Average of Total of Conditions of Medicare patients treated by Dr. John K. Hayes JR., MD From 2012 - 2022

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

Hypertension	52
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	27
Depression	11
Chronic Kidney Disease	20
Asthma	4
Osteoporosis	1
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	25
Atrial Fibrillation	9
Dementia	4
Cancer	68

Education & Training

Dr. John K. Hayes JR., MD graduated from University of Utah School of Medicine. He completed residency at University of Utah Affiliated Hospitals. He is certified by the American Board of Radiology (ABR) Radiation Oncology and has a state license in Utah.

Medical School: University of Utah School of Medicine

Residency: University of Utah Affiliated Hospitals (1998)

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

Licensed In: Utah

Affiliations & Hospitals

Dr. John K. Hayes JR., MD is associated with these hospitals and organizations:

St. John's Health

CommonSpirit Health - Mountain Region

MountainStar Healthcare

Lone Peak Hospital St. Mark's Hospital

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General Payments

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

**Payments by Company**
Accuray Incorporated	$325 TomoTherapy System $325
Elekta, Inc.	$304 MICROSELECTRON DIGITAL $134	Venezia $100	ELEKTA ONCOLOGY INFO SYSTEM $54	ELEKTA BRACHYTHERAPY $17
Boston Scientific Corporation	$282 SpaceOAR VUE System - 10mL $252	SPACEOAR VUE $29
RefleXion Medical, Inc.	$269 REFLEXION MEDICAL RADIOTHERAPY SYSTEM $269
Varian Medical Systems, Inc.	$213 TrueBeam $138	$74
Other	$597 Lupron Depot $99	Lupron $88	ELEKTA BRACHYTHERAPY $66	MRIDIAN $63	SpaceOAR $60	Other $221

**Types of Payments**
Food and Beverage	$1,989

Biography

Dr. John Hayes specializes in radiation oncology. He attended the University of Utah School of Medicine and then went on to complete his residency at a hospital affiliated with the University of Utah. Dr. Hayes's hospital/clinic affiliations include CommonSpirit Health - Mountain Region, St. John's Health, and MountainStar Healthcare.