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Dr. Lester E. Mertz, MD

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Specializes in: Adult Rheumatology

Professional interests include: dermatomyositis, vasculitis, polymyositis

13400 E Shea Boulevard
Scottsdale, AZ 85259

(480) 301-8000

Dr. Lester E. Mertz, MD is a rheumatologist in Scottsdale, AZ specializing in adult rheumatology. Dr. Lester E. Mertz, MD is affiliated with Mayo Clinic.

Office Locations

13400 E Shea Boulevard
Scottsdale, AZ 85259

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Phoenix, AZ

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2012 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

aspiration	164
doctor visit	721
hospital care	32
injections	164
inpatient care	32

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2013 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

aspiration	151
doctor visit	691
hospital care	41
injections	151
inpatient care	41

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	168
Female	257

**Ethnicity**
Non-Hispanic White	386
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	169
85 and over	49
Less than 65	39

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2013

Hypertension	56
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	18
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2014 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

aspiration	112
doctor visit	656
hospital care	66
injections	112
inpatient care	66

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	160
Female	268

**Ethnicity**
Non-Hispanic White	394
Black	11
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	172
From 75 to 84	162
85 and over	59
Less than 65	35

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2014

Hypertension	54
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2015 were aspiration, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

aspiration	76
doctor visit	731
hospital care	53
injections	76
inpatient care	53

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	342
Female	590

**Ethnicity**
Non-Hispanic White	838
Black	22
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	366
85 and over	96
Less than 65	96

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2015

Hypertension	58
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	18
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2016 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

aspiration	37
doctor visit	658
hospital care	59
injections	37
inpatient care	59

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	158
Female	245

**Ethnicity**
Non-Hispanic White	362
Black	13
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	157
85 and over	34
Less than 65	37

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2016

Hypertension	55
High Cholesterol	43
Stroke	4
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	30
Asthma	17
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	15
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	469
hospital care	31
inpatient care	31

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	135
Female	184

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

**Age**
From 65 to 74	131
From 75 to 84	120
85 and over	36
Less than 65	32

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2017

Hypertension	56
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	17
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	368
hospital care	20
inpatient care	20

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	110
Female	172

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	103
85 and over	34
Less than 65	31

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2018

Hypertension	57
High Cholesterol	48
Stroke	6
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	18
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	313

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	94
Female	138

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	87
85 and over	22
Less than 65	30

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2019

Hypertension	59
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	22
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	363

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	96
Female	163

**Ethnicity**
Non-Hispanic White	229
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	87
85 and over	15
Less than 65	30

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2020

Hypertension	54
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	25
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	386

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	105
Female	167

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	107
85 and over	18
Less than 65	26

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2021

Hypertension	56
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	22
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

doctor visit	419
hospital care	43
inpatient care	43

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	129
Female	186

**Ethnicity**
Non-Hispanic White	272
Black	0
Hispanic	13
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	125
85 and over	21
Less than 65	25

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2022

Hypertension	69
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	29
Asthma	16
Osteoperosis	29
Atrial Fibrilation	22
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	21
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Lester E. Mertz, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lester E. Mertz, MD treated as a rheumatologist in Scottsdale, AZ were aspiration, injections, hospital care and inpatient care.

aspiration	108
doctor visit	525
hospital care	43
injections	108
inpatient care	43

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Lester E. Mertz, MD.

**Gender**
Male	136
Female	215

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	1
Non-Hispanic White	315
Native American / Alaskan Native	0
Hispanic	8
Other	0

**Age**
75 to 84	134
85 and over	34
Less than 65	34
65 to 74	147

Average of Total of Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD From 2012 - 2022

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

Hypertension	52
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	30
Depression	17
Chronic Kidney Disease	28
Asthma	10
Osteoporosis	17
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	17
Atrial Fibrillation	12
Cancer	10
Dementia	4

Education & Training

He completed residency at Medical College of Wisconsin Affiliated Hospitals. He is certified by the Internal Medicine American Board of Internal Medicine and has a state license in Arizona.

Residency: Medical College of Wisconsin Affiliated Hospitals (1984)

Board Certification: Internal Medicine American Board of Internal Medicine (1984)

Licensed In: Arizona

Affiliations & Hospitals

Dr. Lester E. Mertz, MD is associated with these hospitals and organizations:

Mayo Clinic

Ratings & Reviews

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General Payments

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

**Payments by Company**
F. Hoffmann-La Roche AG	$6,712 Non-Covered Product $4,064	Rituxan $2,648
Amgen Inc.	$118 Tavneos $118
Pfizer Inc.	$30 XELJANZ $30

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$4,064
Consulting Fee	$2,648
Food and Beverage	$118
Education	$30

Research Payments

Dr. Lester E. Mertz, MD has received 15 research payments totaling $30,078.

Biography

Dr. Lester Mertz specializes in adult rheumatology and practices in Scottsdale, AZ and Phoenix, AZ. Clinical interests for Dr. Mertz include polymyositis, dermatomyositis, and vasculitis. He obtained his medical school training at Medical College of Wisconsin and performed his residency at Mayo Clinic and a hospital affiliated with Medical College of Wisconsin. Awards and/or distinctions he has received include Best Slides - American College of Rheumatology Annual Meeting; Phillip S Hench Scholarship Award in Rheumatology - Awarding Organization; and Preventive Medicine Award for Academic Performance - Awarding Organization. He is affiliated with Mayo Clinic.

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Dr. Lester E. Mertz, MD

Office Locations

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. Lester E. Mertz, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lester E. Mertz, 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. Lester E. Mertz, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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