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Dr. Leslie F. Thomas, MD

(Dr. Leslie Francis Thomas, M.D.)

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Specializes in: Adult Nephrology

University of Pittsburgh School of Medicine (2004)

Professional interests include: physiology, kidney problems, amyloidosis, and more.

5779 E Mayo Boulevard
Phoenix, AZ 85054

(480) 301-8000

Dr. Leslie F. Thomas, MD is a nephrologist in Phoenix, AZ specializing in adult nephrology. He graduated from University of Pittsburgh School of Medicine in 2004 and has 22 years of experience. Dr. Leslie F. Thomas, MD is affiliated with Mayo Clinic and MAYO CLINIC ARIZONA.

Office Locations

5779 E Mayo Boulevard
Phoenix, AZ 85054

(480) 301-8000

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Phoenix, AZ

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In The News

“Dr. Leslie F. Thomas, the kidney specialist who treated Merritt, said the cause of collapsing FSGS in the hurdler was not known.”—"Olympic Hurdler Isn't Letting Disease Stand in His Way (Published 2016)", New York Times, July 2016

Noteworthy Medicare Patient Procedures Performed by Dr. Leslie F. Thomas, MD in 2023

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

Top 5%

By Affordability:

timed urine measurement

urine volume measurement

In 2023, Dr. Leslie F. Thomas, MD had a list price for timed urine measurement, and urine volume measurement that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Arizona. 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:

hemodialysis

By Affordability:

lab tests

urine tests

In 2012, among providers in related specialties within Arizona, Dr. Leslie F. Thomas, MD performed more hemodialysis procedures for Medicare patients than 75% of them and he also had a list price for lab tests, and urine tests 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. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2012 were dialysis, hospital care, inpatient care and blood draw.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	27
dialysis	225
doctor visit	658
hospital care	219
inpatient care	219
urologic procedures	25

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2013 were hospital care, inpatient care, dialysis and urologic procedures.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	21
dialysis	130
doctor visit	547
hospital care	171
inpatient care	171
urologic procedures	22

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	415
Female	330

**Ethnicity**
Non-Hispanic White	582
Black	41
Hispanic	63
Asian	13
Other	16
Native American	30

**Age**
From 65 to 74	266
From 75 to 84	217
85 and over	63
Less than 65	199

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	47
Depression	21
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	12
Diabetes	43
Dementia	3
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2014 were hospital care, inpatient care, dialysis and urologic procedures.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	25
dialysis	90
doctor visit	565
hospital care	180
inpatient care	180
urologic procedures	27

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	377
Female	296

**Ethnicity**
Non-Hispanic White	537
Black	31
Hispanic	57
Asian	0
Other	0
Native American	24

**Age**
From 65 to 74	272
From 75 to 84	201
85 and over	73
Less than 65	127

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	46
Depression	20
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	29
Chronic Obstructive Pulmonary Disease	11
Diabetes	45
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2015 were hospital care, inpatient care, dialysis and urologic procedures.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	28
dialysis	124
doctor visit	537
hospital care	270
inpatient care	270
urologic procedures	36

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	836
Female	602

**Ethnicity**
Non-Hispanic White	1132
Black	82
Hispanic	118
Asian	28
Other	22
Native American	56

**Age**
From 65 to 74	546
From 75 to 84	420
85 and over	130
Less than 65	342

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	47
Depression	20
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	13
Diabetes	41
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2016 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

dialysis	220
doctor visit	537
hemofiltration	46
hospital care	194
inpatient care	194
urologic procedures	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	396
Female	278

**Ethnicity**
Non-Hispanic White	523
Black	42
Hispanic	57
Asian	0
Other	0
Native American	27

**Age**
From 65 to 74	279
From 75 to 84	199
85 and over	67
Less than 65	129

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2016

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	46
Depression	19
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	11
Diabetes	43
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2017 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

dialysis	288
doctor visit	357
hemofiltration	67
hospital care	242
inpatient care	242
urologic procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	326
Female	234

**Ethnicity**
Non-Hispanic White	455
Black	31
Hispanic	32
Asian	0
Other	0
Native American	18

**Age**
From 65 to 74	237
From 75 to 84	169
85 and over	55
Less than 65	99

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	52
Depression	24
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	15
Diabetes	49
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2018 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

dialysis	227
doctor visit	343
hemofiltration	47
hospital care	251
inpatient care	251

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	333
Female	199

**Ethnicity**
Non-Hispanic White	432
Black	27
Hispanic	31
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	204
From 75 to 84	186
85 and over	55
Less than 65	87

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	52
Depression	23
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	39
Chronic Obstructive Pulmonary Disease	14
Diabetes	44
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2019 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	78
dialysis	291
doctor visit	492
hemofiltration	57
hospital care	313
inpatient care	313
lab tests	88
urologic procedures	43

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	375
Female	296

**Ethnicity**
Non-Hispanic White	536
Black	44
Hispanic	43
Asian	11
Other	23
Native American	14

**Age**
From 65 to 74	296
From 75 to 84	211
85 and over	63
Less than 65	101

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	50
Depression	23
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	15
Diabetes	45
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2020 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	56
dialysis	285
doctor visit	368
hemofiltration	86
hospital care	397
inpatient care	397
lab tests	82
urologic procedures	41

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	383
Female	280

**Ethnicity**
Non-Hispanic White	519
Black	40
Hispanic	53
Asian	17
Other	16
Native American	18

**Age**
From 65 to 74	256
From 75 to 84	217
85 and over	69
Less than 65	121

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2020

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	51
Depression	23
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2021 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	129
dialysis	141
doctor visit	323
hemofiltration	57
hospital care	445
inpatient care	445
lab tests	146
urologic procedures	73

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	405
Female	292

**Ethnicity**
Non-Hispanic White	551
Black	30
Hispanic	59
Asian	16
Other	20
Native American	21

**Age**
From 65 to 74	280
From 75 to 84	227
85 and over	73
Less than 65	117

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2021

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	49
Depression	23
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	17
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	11
Diabetes	44
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ during 2022 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

blood draw	65
dialysis	108
doctor visit	265
hemofiltration	59
hospital care	355
inpatient care	355
lab tests	74
urologic procedures	41

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	298
Female	255

**Ethnicity**
Non-Hispanic White	421
Black	20
Hispanic	44
Asian	16
Other	30
Native American	22

**Age**
From 65 to 74	225
From 75 to 84	185
85 and over	71
Less than 65	72

Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	40
Depression	24
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	20
Atrial Fibrilation	30
Heart Failure	39
Chronic Obstructive Pulmonary Disease	15
Diabetes	44
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Leslie F. Thomas, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leslie F. Thomas, MD treated as a nephrologist in Phoenix, AZ were hospital care, inpatient care, dialysis and lab tests.

blood draw	53
dialysis	193
doctor visit	453
hemofiltration	59
hospital care	276
inpatient care	276
lab tests	97
urologic procedures	33

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leslie F. Thomas, MD.

**Gender**
Male	376
Female	278

**Ethnicity**
Black / African American	35
Asian / Pacific Islander	9
Non-Hispanic White	517
Native American / Alaskan Native	22
Hispanic	50
Other	11

**Age**
75 to 84	202
85 and over	65
Less than 65	126
65 to 74	260

Average of Total of Conditions of Medicare patients treated by Dr. Leslie F. Thomas, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	43
Depression	20
Chronic Kidney Disease	68
Asthma	8
Osteoporosis	11
Heart Failure	32
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Atrial Fibrillation	17
Dementia	7
Cancer	13

Education & Training

Dr. Leslie F. Thomas, MD graduated from University of Pittsburgh School of Medicine in 2004. He completed residency at Mayo Clinic. He is certified by the Nephrology American Board of Internal Medicine and has a state license in Arizona.

Medical School: University of Pittsburgh School of Medicine (2004)

Residency: Mayo Clinic (2010)

Board Certification: Nephrology American Board of Internal Medicine (2010)

Licensed In: Arizona

Affiliations & Hospitals

Dr. Leslie F. Thomas, MD is associated with these hospitals and organizations:

Mayo Clinic

MAYO CLINIC ARIZONA

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$5,274 $5,274
CALLIDITAS THERAPEUTICS US INC.	$3,712 TARPEYO $3,712
Daxor Corporation	$1,200 BVA-100 $1,200
Alexion Pharmaceuticals, Inc.	$477 SOLIRIS $477
Ultragenyx Pharmaceutical Inc.	$30 $30
Other	$48 Cimzia $29	Sensipar $19

**Types of Payments**
Consulting Fee	$8,820
Travel and Lodging	$1,290
Food and Beverage	$372
Education	$258

Research Payments

Dr. Leslie F. Thomas, MD has received 7 research payments totaling $473,994.

Biography

Dr. Leslie Thomas practices adult nephrology. In his practice, Dr. Thomas focuses on physiology, glomerular diseases, and amyloidosis. He obtained his medical school training at the University of Pittsburgh School of Medicine and performed his residency at Mayo Clinic. He has received distinctions including "Top Performer Award" - Office of Mayo Clinic Experience; Nephrology & Hypertension Educator of the Year Award - Mayo Clinic in Arizona; and "Top Provider Recognition" - Office of Mayo Clinic Experience. Dr. Thomas is professionally affiliated with Mayo Clinic.