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Dr. John Ray Martinez, MD

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Specializes in: Adult Nephrology

University of Kansas School of Medicine (1985)

101 Skaggs Road Suite 302
Branson, MO 65616

(417) 334-8288

Dr. John Ray Martinez, MD is a nephrologist in Branson, MO specializing in adult nephrology. He graduated from University of Kansas School of Medicine in 1985 and has 40 years of experience. Dr. John Ray Martinez, MD is affiliated with U.S. Department of Veterans Affairs and BRANSON NEPHROLOGY LLC.

Office Locations

101 Skaggs Road Suite 302
Branson, MO 65616

(417) 334-8288

(417) 334-6966

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915 N Grand Boulevard St. Louis Vamc (657)
Saint Louis, MO 63106

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Noteworthy Medicare Patient Procedures Performed by Dr. John Ray Martinez, MD in 2023

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

Top 5%

By Affordability:

lab tests

urinalysis

urine tests

In 2023, Dr. John Ray Martinez, MD had a list price for lab tests, urinalysis, and urine tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Missouri. 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:

urinalysis

In 2013, Dr. John Ray Martinez, MD performed more urinalysis procedures for Medicare patients than 75% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2013 were lab tests, hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	212
dialysis	243
doctor visit	666
hemofiltration	65
hospital care	752
inpatient care	752
lab tests	1105
preventive care	60
vaccines	60

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	414
Female	352

**Ethnicity**
Non-Hispanic White	713
Black	21
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	284
From 75 to 84	231
85 and over	69
Less than 65	182

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2013

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2013 were chronic kidney disease, hypertension, high cholesterol and ischemic heart disease.

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	63
Depression	27
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	50
Chronic Obstructive Pulmonary Disease	30
Diabetes	62
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2014 were lab tests, hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	200
dialysis	287
doctor visit	573
hemofiltration	36
hospital care	730
inpatient care	730
lab tests	868
preventive care	61
vaccines	61

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	383
Female	317

**Ethnicity**
Non-Hispanic White	650
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	208
85 and over	66
Less than 65	172

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2014

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2014 were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	51
Chronic Obstructive Pulmonary Disease	31
Diabetes	61
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2015 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	221
dialysis	336
doctor visit	634
hemofiltration	81
hospital care	745
inpatient care	745
lab tests	623
preventive care	83
vaccines	83

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	776
Female	606

**Ethnicity**
Non-Hispanic White	1270
Black	42
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	500
From 75 to 84	448
85 and over	114
Less than 65	320

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2015

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2015 were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	60
Depression	26
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	53
Chronic Obstructive Pulmonary Disease	33
Diabetes	64
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2016 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	168
device removal	14
dialysis	412
doctor visit	801
hemofiltration	114
hospital care	712
inpatient care	712
lab tests	625
preventive care	95
vaccines	95

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	447
Female	335

**Ethnicity**
Non-Hispanic White	735
Black	11
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	241
85 and over	78
Less than 65	174

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2016

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2016 were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	60
Depression	23
Chronic Kidney Disease	75
Asthma	32
Osteoperosis	5
Atrial Fibrilation	20
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	61
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2017 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	120
device removal	11
dialysis	391
doctor visit	649
hemofiltration	77
hospital care	695
inpatient care	695
lab tests	558
preventive care	50
vaccines	50

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	405
Female	335

**Ethnicity**
Non-Hispanic White	680
Black	29
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	228
85 and over	60
Less than 65	188

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2017

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2017 were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	58
Depression	27
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	5
Atrial Fibrilation	21
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	63
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2018 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	158
device removal	14
dialysis	317
doctor visit	551
hemofiltration	49
hospital care	640
inpatient care	640
lab tests	418
preventive care	78
vaccines	78

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	344
Female	291

**Ethnicity**
Non-Hispanic White	588
Black	21
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	203
85 and over	55
Less than 65	159

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2018

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	59
Depression	26
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	4
Atrial Fibrilation	22
Heart Failure	51
Chronic Obstructive Pulmonary Disease	29
Diabetes	62
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2019 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	143
dialysis	270
doctor visit	577
hemofiltration	45
hospital care	577
inpatient care	577
lab tests	417
preventive care	13
vaccines	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	364
Female	282

**Ethnicity**
Non-Hispanic White	593
Black	23
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	211
85 and over	53
Less than 65	168

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2019

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2019 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	62
Depression	28
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	5
Atrial Fibrilation	24
Heart Failure	53
Chronic Obstructive Pulmonary Disease	28
Diabetes	65
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2020 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	174
device removal	13
dialysis	208
doctor visit	478
hospital care	528
inpatient care	528
lab tests	322
preventive care	11
vaccines	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	322
Female	264

**Ethnicity**
Non-Hispanic White	536
Black	12
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	173
85 and over	58
Less than 65	152

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2020

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

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	59
Depression	28
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	5
Atrial Fibrilation	20
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	62
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2021 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	211
dialysis	124
doctor visit	391
hospital care	324
inpatient care	324
lab tests	299

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	246
Female	205

**Ethnicity**
Non-Hispanic White	415
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	141
85 and over	45
Less than 65	108

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2021

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	58
Depression	27
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	6
Atrial Fibrilation	21
Heart Failure	48
Chronic Obstructive Pulmonary Disease	27
Diabetes	63
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2022 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	176
dialysis	183
doctor visit	292
hospital care	436
inpatient care	436
lab tests	213

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	195
Female	191

**Ethnicity**
Non-Hispanic White	349
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	125
85 and over	44
Less than 65	88

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2022

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2022 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	53
Depression	28
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	10
Atrial Fibrilation	35
Heart Failure	51
Chronic Obstructive Pulmonary Disease	37
Diabetes	65
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO during 2023 were hospital care, inpatient care, lab tests and blood draw.

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

blood draw	166
dialysis	67
doctor visit	270
hospital care	569
inpatient care	569
lab tests	182

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	218
Female	157

**Ethnicity**
Non-Hispanic White	337
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	126
85 and over	48
Less than 65	83

Conditions of Medicare patients treated by Dr. John Ray Martinez, MD in 2023

The most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated during 2023 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	53
Depression	29
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	7
Atrial Fibrilation	37
Heart Failure	51
Chronic Obstructive Pulmonary Disease	33
Diabetes	65
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. John Ray Martinez, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Ray Martinez, MD treated as a nephrologist in Branson, MO were hospital care, inpatient care, lab tests and dialysis.

blood draw	177
device removal	13
dialysis	258
doctor visit	534
hemofiltration	66
hospital care	609
inpatient care	609
lab tests	511
preventive care	56
vaccines	56

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. John Ray Martinez, MD.

**Gender**
Male	374
Female	303

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	0
Non-Hispanic White	624
Native American / Alaskan Native	0
Hispanic	11
Other	0

**Age**
75 to 84	212
85 and over	62
Less than 65	163
65 to 74	239

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

The highest averages of the most common conditions of Medicare patients that Dr. John Ray Martinez, MD treated were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	58
Depression	27
Chronic Kidney Disease	75
Asthma	11
Osteoporosis	6
Heart Failure	50
Chronic Obstructive Pulmonary Disease	30
Diabetes	63
Atrial Fibrillation	23
Cancer	10
Dementia	12

Education & Training

Dr. John Ray Martinez, MD graduated from University of Kansas School of Medicine in 1985. He has a state license in Missouri.

Medical School: University of Kansas School of Medicine (1985)

Licensed In: Missouri

Affiliations & Hospitals

Dr. John Ray Martinez, MD is associated with these hospitals and organizations:

U.S. Department of Veterans Affairs

BRANSON NEPHROLOGY LLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Otsuka America Pharmaceutical, Inc.	$606 JYNARQUE $386	SAMSCA $220
Keryx Biopharmaceuticals, Inc.	$348 Auryxia $348
Cook Medical LLC	$277 COOK $277
Baxter Healthcare	$236 Renal - PD $136	Renal - Non Product Related $100
Fresenius USA Marketing, Inc.	$226 Velphoro $226
Other	$1,475 ACTHAR $436	ENTRESTO $119	Sensipar $85	VELTASSA $79	KRYSTEXXA $74	Other $683

**Types of Payments**
Food and Beverage	$2,777
Travel and Lodging	$195
Education	$194

Biography

Dr. John Martinez specializes in adult nephrology and practices in Branson, MO and Saint Louis, MO. He is affiliated with U.S. Department of Veterans Affairs. Dr. Martinez studied medicine at the University of Kansas School of Medicine.