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Dr. Joseph W. Warren, MD

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Specializes in: Adult Nephrology

West Virginia University School of Medicine

2501 N Orange Avenue Suite 537n
Orlando, FL 32804

(407) 894-4693

Dr. Joseph W. Warren, MD is a nephrologist in Orlando, FL specializing in adult nephrology. He graduated from West Virginia University School of Medicine. Dr. Joseph W. Warren, MD is affiliated with Orlando Health and NEPHROLOGY ASSOCIATES OF CENTRAL FLORIDA, P.A..

Office Locations

2501 N Orange Avenue Suite 537n
Orlando, FL 32804

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In The News

“In Orlando, Dr. Joseph Warren is one of relatively few physicians taking advantage of it.”—"Kidney patient? New Medicare benefit helps teach options", Orlando Sentinel, March 2010

“Dr. Joseph Warren is a Florida Hospital nephrologist who treats many kidney-failure patients.”—"NIGHT DIALYSIS MORE HELPFUL, STUDIES SHOW", Orlando Sentinel, February 2008

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph W. Warren, MD in 2023

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

Top 5%

By Volume:

In 2023, Dr. Joseph W. Warren, MD performed more A1C test, intravenous (IV) infusion, lipid profile, and screening test procedures for Medicare patients than 95% of providers in related specialties within Florida.

Top 10%

By Volume:

lab tests

By Affordability:

hemoglobin test

In 2023, among providers in related specialties within Florida, Dr. Joseph W. Warren, MD performed more lab tests procedures for Medicare patients than 90% of them and he also had a list price for hemoglobin test that was lower than the list prices billed to Medicare by 90% of them. 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

creatinine urine test

microalbumin urine test

phlebotomy for lab tests

phosphorus blood test

thyroid blood test

By Affordability:

A1C test

diabetes management

diabetes screening

glycated protein test

intravenous infusion

iron tests

vitamin B12 test

In 2012, among providers in related specialties within Florida, Dr. Joseph W. Warren, MD performed more blood draw, creatinine urine test, microalbumin urine test, phlebotomy for lab tests, phosphorus blood test, and thyroid blood test procedures for Medicare patients than 75% of them and he also had a list price for A1C test, diabetes management, diabetes screening, glycated protein test, intravenous (IV) infusion, iron tests, and vitamin B12 test that was lower than the list prices billed to Medicare by 75% of them. 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. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2012 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	691
diabetes management	95
doctor visit	1411
lab tests	3259
minimally invasive procedures	83
preventive care	348
thyroid function tests	44
vaccines	38

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2013 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	662
diabetes management	109
doctor visit	1272
lab tests	3300
minimally invasive procedures	61
preventive care	370
thyroid function tests	52
vaccines	39

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	269
Female	238

**Ethnicity**
Non-Hispanic White	331
Black	97
Hispanic	55
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	124
85 and over	48
Less than 65	178

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	62
Depression	14
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	37
Chronic Obstructive Pulmonary Disease	15
Diabetes	57
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2014 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	626
diabetes management	127
doctor visit	1057
lab tests	3878
minimally invasive procedures	71
preventive care	443
thyroid function tests	56
vaccines	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	236
Female	219

**Ethnicity**
Non-Hispanic White	305
Black	81
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	122
85 and over	41
Less than 65	140

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	58
Depression	16
Chronic Kidney Disease	75
Asthma	6
Osteoperosis	5
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	57
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2015 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	623
diabetes management	143
doctor visit	936
lab tests	4500
minimally invasive procedures	103
preventive care	524
thyroid function tests	71
vaccines	50

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	458
Female	444

**Ethnicity**
Non-Hispanic White	606
Black	178
Hispanic	76
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	228
85 and over	94
Less than 65	266

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	57
Depression	17
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	16
Diabetes	57
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2016 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	641
diabetes management	156
doctor visit	930
lab tests	4657
minimally invasive procedures	88
preventive care	573
thyroid function tests	91
vaccines	43

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	224
Female	223

**Ethnicity**
Non-Hispanic White	301
Black	89
Hispanic	32
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	116
85 and over	54
Less than 65	130

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	59
Depression	18
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	39
Chronic Obstructive Pulmonary Disease	16
Diabetes	57
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2017 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	559
diabetes management	147
doctor visit	784
lab tests	4536
minimally invasive procedures	76
preventive care	510
thyroid function tests	70
vaccines	15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	230
Female	188

**Ethnicity**
Non-Hispanic White	287
Black	73
Hispanic	32
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	108
85 and over	48
Less than 65	116

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	59
Depression	20
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	13
Diabetes	53
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2018 were lab tests, blood draw, preventive care and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	476
diabetes management	124
doctor visit	764
lab tests	4334
minimally invasive procedures	73
preventive care	446
thyroid function tests	81

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	215
Female	205

**Ethnicity**
Non-Hispanic White	279
Black	72
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	115
85 and over	50
Less than 65	121

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	58
Depression	22
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	40
Chronic Obstructive Pulmonary Disease	14
Diabetes	53
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2019 were lab tests, blood draw, preventive care and minimally invasive procedures.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	534
diabetes management	88
doctor visit	843
lab tests	5172
minimally invasive procedures	127
preventive care	447
thyroid function tests	95

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	240
Female	213

**Ethnicity**
Non-Hispanic White	316
Black	72
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	124
85 and over	57
Less than 65	128

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	56
Depression	21
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	39
Chronic Obstructive Pulmonary Disease	13
Diabetes	52
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2020 were lab tests, blood draw, preventive care and thyroid function tests.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	439
diabetes management	44
doctor visit	760
lab tests	4718
minimally invasive procedures	56
preventive care	375
thyroid function tests	112

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	207
Female	198

**Ethnicity**
Non-Hispanic White	275
Black	58
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	104
85 and over	58
Less than 65	116

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	56
Depression	22
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	12
Diabetes	50
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2021 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	462
diabetes management	161
doctor visit	758
lab tests	4828
minimally invasive procedures	51
preventive care	463
thyroid function tests	134

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	208
Female	213

**Ethnicity**
Non-Hispanic White	281
Black	65
Hispanic	43
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	115
85 and over	55
Less than 65	116

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	54
Depression	21
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	39
Chronic Obstructive Pulmonary Disease	11
Diabetes	52
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL during 2022 were lab tests, preventive care, blood draw and diabetes management.

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

blood draw	400
diabetes management	193
doctor visit	645
lab tests	4590
minimally invasive procedures	50
preventive care	479
thyroid function tests	123

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	200
Female	195

**Ethnicity**
Non-Hispanic White	281
Black	49
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	125
85 and over	46
Less than 65	93

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	47
Depression	22
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	51
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joseph W. Warren, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joseph W. Warren, MD treated as a nephrologist in Orlando, FL were lab tests, blood draw, preventive care and diabetes management.

blood draw	555
diabetes management	126
doctor visit	923
lab tests	4342
minimally invasive procedures	76
preventive care	452
thyroid function tests	84
vaccines	36

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joseph W. Warren, MD.

**Gender**
Male	226
Female	212

**Ethnicity**
Black / African American	75
Asian / Pacific Islander	1
Non-Hispanic White	296
Native American / Alaskan Native	0
Hispanic	41
Other	4

**Age**
75 to 84	116
85 and over	50
Less than 65	127
65 to 74	144

Average of Total of Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	51
Depression	17
Chronic Kidney Disease	68
Asthma	7
Osteoporosis	6
Heart Failure	34
Chronic Obstructive Pulmonary Disease	13
Diabetes	49
Atrial Fibrillation	17
Dementia	11
Cancer	9

Education & Training

Dr. Joseph W. Warren, MD graduated from West Virginia University School of Medicine. He completed residency at University of California, Los Angeles (UCLA) Affiliated Hospitals. He is certified by the American Board of Internal Medicine and has a state license in Florida.

Medical School: West Virginia University School of Medicine

Residency: University of California, Los Angeles (UCLA) Affiliated Hospitals

Board Certification: American Board of Internal Medicine

Licensed In: Florida

Affiliations & Hospitals

Dr. Joseph W. Warren, MD is associated with these hospitals and organizations:

Orlando Health

NEPHROLOGY ASSOCIATES OF CENTRAL FLORIDA, P.A.

Ratings & Reviews

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General Payments

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

**Payments by Company**
Otsuka America Pharmaceutical, Inc.	$838 JYNARQUE $700	SAMSCA $120	$18
Relypsa, Inc.	$445 VELTASSA $445
Baxter Healthcare	$409 Renal - PD $199	Renal - Acute $23	Renal - CRRT $21	Baxter $20	$146
OPKO Pharmaceuticals, LLC	$335 Rayaldee $335
Amgen Inc.	$306 Parsabiv $142	Sensipar $141	Tavneos $22
Other	$4,026 ACTHAR $766	NULOJIX $282	SOLIRIS $183	PROCYSBI $165	VELTASSA $157	Other $2,472

**Types of Payments**
Food and Beverage	$6,121
Education	$238

Biography

Dr. Joseph Warren's specialty is adult nephrology. Dr. Warren graduated from West Virginia University School of Medicine and then he performed his residency at a hospital affiliated with the University of California, Los Angeles (UCLA). He is professionally affiliated with Orlando Health.

Select Year:

Dr. Joseph W. Warren, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Joseph W. Warren, MD in 2023

By Volume:

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Joseph W. Warren, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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