In 2023, Dr. John S. Hayes, MD had a list price for hemodialysis, hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Florida. 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. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2012 were hospital care, inpatient care and outpatient care.

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

doctor visit	12
hospital care	317
inpatient care	306
outpatient care	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2013 were hospital care, inpatient care, dialysis and outpatient care.

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

dialysis	113
doctor visit	18
hospital care	1103
inpatient care	985
nursing home care	48
outpatient care	105

2013 Medicare Patient Data

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

**Gender**
Male	276
Female	346

**Ethnicity**
Non-Hispanic White	393
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	190
85 and over	167
Less than 65	103

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

Hypertension	75
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	56
Depression	28
Chronic Kidney Disease	67
Asthma	13
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	56
Chronic Obstructive Pulmonary Disease	35
Diabetes	51
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2014 were hospital care, inpatient care, outpatient care and dialysis.

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

dialysis	96
hospital care	692
inpatient care	569
nursing home care	19
outpatient care	123

2014 Medicare Patient Data

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

**Gender**
Male	203
Female	249

**Ethnicity**
Non-Hispanic White	315
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	136
85 and over	120
Less than 65	78

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

Hypertension	75
High Cholesterol	64
Stroke	15
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	65
Asthma	10
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	54
Chronic Obstructive Pulmonary Disease	34
Diabetes	55
Dementia	31
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2015 were hospital care, inpatient care, dialysis and outpatient care.

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

dialysis	67
doctor visit	13
hospital care	714
inpatient care	673
nursing home care	31
outpatient care	41

2015 Medicare Patient Data

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

**Gender**
Male	446
Female	582

**Ethnicity**
Non-Hispanic White	746
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	296
85 and over	252
Less than 65	170

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

Hypertension	75
High Cholesterol	70
Stroke	17
Ischemic Heart Disease	55
Depression	37
Chronic Kidney Disease	66
Asthma	25
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	52
Chronic Obstructive Pulmonary Disease	37
Diabetes	52
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2016 were hospital care, inpatient care and outpatient care.

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

hospital care	951
inpatient care	827
outpatient care	124

2016 Medicare Patient Data

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

**Gender**
Male	264
Female	335

**Ethnicity**
Non-Hispanic White	394
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	157
85 and over	169
Less than 65	121

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

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	63
Depression	39
Chronic Kidney Disease	70
Asthma	38
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	50
Chronic Obstructive Pulmonary Disease	37
Diabetes	50
Dementia	37
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2017 were hospital care, inpatient care, lab tests and outpatient care.

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

abdominal imaging	82
blood draw	49
dialysis	34
doctor visit	204
hospital care	1288
inpatient care	1127
lab tests	290
outpatient care	161
pelvic imaging	42
ultrasound (sonogram)	82
vascular procedures	42

2017 Medicare Patient Data

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

**Gender**
Male	323
Female	373

**Ethnicity**
Non-Hispanic White	544
Black	132
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	238
85 and over	157
Less than 65	89

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

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	71
Depression	38
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	53
Chronic Obstructive Pulmonary Disease	38
Diabetes	52
Dementia	30
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2018 were hospital care, inpatient care, lab tests and ultrasound (sonogram).

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

abdominal imaging	217
blood draw	166
dialysis	45
doctor visit	884
hospital care	1935
inpatient care	1818
lab tests	780
outpatient care	117
pelvic imaging	91
ultrasound (sonogram)	217
vascular procedures	91

2018 Medicare Patient Data

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

**Gender**
Male	498
Female	438

**Ethnicity**
Non-Hispanic White	857
Black	46
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	387
85 and over	206
Less than 65	68

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

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	74
Depression	33
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	9
Atrial Fibrilation	35
Heart Failure	56
Chronic Obstructive Pulmonary Disease	35
Diabetes	52
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2019 were hospital care, inpatient care, lab tests and blood draw.

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

abdominal imaging	102
blood draw	312
diabetes management	29
dialysis	273
doctor visit	1701
hospital care	2183
inpatient care	2121
lab tests	1079
outpatient care	62
pelvic imaging	57
preventive care	87
thyroid function tests	19
ultrasound (sonogram)	102
vascular procedures	57

2019 Medicare Patient Data

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

**Gender**
Male	648
Female	504

**Ethnicity**
Non-Hispanic White	1030
Black	75
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	503
85 and over	249
Less than 65	90

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

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	74
Depression	32
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	6
Atrial Fibrilation	31
Heart Failure	52
Chronic Obstructive Pulmonary Disease	31
Diabetes	55
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2020 were hospital care, inpatient care, lab tests and blood draw.

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

abdominal imaging	51
blood draw	284
diabetes management	39
dialysis	53
doctor visit	1521
hospital care	3058
inpatient care	2923
lab tests	911
outpatient care	135
pelvic imaging	26
preventive care	98
thyroid function tests	48
ultrasound (sonogram)	51
vascular procedures	26

2020 Medicare Patient Data

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

**Gender**
Male	705
Female	535

**Ethnicity**
Non-Hispanic White	1121
Black	66
Hispanic	21
Asian	14
Other	18
Native American	0

**Age**
From 65 to 74	316
From 75 to 84	547
85 and over	289
Less than 65	88

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

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	74
Depression	30
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	7
Atrial Fibrilation	27
Heart Failure	54
Chronic Obstructive Pulmonary Disease	31
Diabetes	55
Dementia	22
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2021 were hospital care, inpatient care, lab tests and blood draw.

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

blood draw	69
diabetes management	14
dialysis	19
doctor visit	1293
hospital care	569
inpatient care	569
lab tests	165
preventive care	36

2021 Medicare Patient Data

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

**Gender**
Male	486
Female	382

**Ethnicity**
Non-Hispanic White	778
Black	57
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	415
85 and over	166
Less than 65	56

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

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	70
Depression	28
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	50
Chronic Obstructive Pulmonary Disease	25
Diabetes	55
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL during 2022 were hospital care, inpatient care and dialysis.

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

dialysis	15
doctor visit	1446
hospital care	477
inpatient care	477

2022 Medicare Patient Data

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

**Gender**
Male	494
Female	356

**Ethnicity**
Non-Hispanic White	772
Black	46
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	404
85 and over	166
Less than 65	36

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

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	65
Depression	28
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	11
Atrial Fibrilation	40
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	54
Dementia	13
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. John S. Hayes, MD treated as a nephrologist in The Villages, FL were hospital care, inpatient care, lab tests and blood draw.

abdominal imaging	113
blood draw	176
diabetes management	27
dialysis	79
doctor visit	788
hospital care	1207
inpatient care	1126
lab tests	645
nursing home care	32
outpatient care	97
pelvic imaging	54
preventive care	73
thyroid function tests	33
ultrasound (sonogram)	113
vascular procedures	54

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	394
Female	372

**Ethnicity**
Black / African American	38
Asian / Pacific Islander	1
Non-Hispanic White	631
Native American / Alaskan Native	0
Hispanic	3
Other	5

**Age**
75 to 84	297
85 and over	176
Less than 65	81
65 to 74	211

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

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

Hypertension	68
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	59
Depression	29
Chronic Kidney Disease	65
Asthma	11
Osteoporosis	7
Heart Failure	47
Chronic Obstructive Pulmonary Disease	30
Diabetes	48
Atrial Fibrillation	25
Dementia	23
Cancer	15

Education & Training

He has a state license in Florida.

Licensed In: Florida

Ratings & Reviews

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General Payments

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

**Payments by Company**
NxStage Medical, Inc.	$1,372 NXSTAGE SYSTEM ONE $1,252	NXSTAGE PUREFLOW SOLUTION $120
Horizon Therapeutics plc	$1,089 KRYSTEXXA $1,089
AstraZeneca Pharmaceuticals LP	$569 LOKELMA $420	FARXIGA $86	EVUSHELD $12	$51
Tosoh Bioscience, Inc.	$556 TSH3G, AIA-PACK $387	T4, AIA-Pack Calibrator Set $169
Vifor Pharma, Inc.	$316 VELTASSA $281	$36
Other	$2,087 LUPKYNIS $290	Kerendia $222	TARPEYO $207	JYNARQUE $158	Subfix $142	Other $1,069

**Types of Payments**
Food and Beverage	$5,233
Gift	$556
Education	$201

Biography

Dr. John Hayes works as an adult nephrology specialist in Leesburg, FL, The Villages, FL, and Tavares, FL. Dr. Hayes has obtained a license to practice in Florida.