Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > AZ Providers > Foot & Ankle Surgeons

Dr. Randall Lee Brower, DPM

Accepting New Patients

(No ratings)

Specializes in: Foot & Ankle Surgery and Podiatry (Foot & Ankle Medicine)

Des Moines University College of Podiatric Medicine and Surgery

2730 W Agua Fria Freeway Suite 100
Phoenix, AZ 85027

(623) 537-5600

Dr. Randall Lee Brower, DPM is a podiatrist in Avondale, AZ specializing in foot & ankle surgery and podiatry (foot & ankle medicine). He graduated from Des Moines University College of Podiatric Medicine and Surgery. Dr. Randall Lee Brower, DPM is affiliated with Revere Medical, Dignity Health, St. Joseph Medical Center, St Joseph's Hospital and Medical Center and ALLEN FOOT AND ANKLE MEDICINE AND SURGERY PLC.

Office Locations

St Joseph's Hospital and Medical Center

13065 W Mcdowell Road Suite C-101
Avondale, AZ 85392

(623) 547-2800

(623) 547-3083

open_in_new

2730 W Agua Fria Freeway Suite 100
Phoenix, AZ 85027

(623) 537-5600

1-866-939-2673

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Randall Lee Brower, DPM in 2023

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

Top 25%

By Volume:

ankle brachial index

In 2013, Dr. Randall Lee Brower, DPM performed more ankle brachial index (ABI) procedures for Medicare patients than 75% of providers in related specialties within Arizona.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2013 were nail avulsion, nail procedures, vascular procedures and immobilization.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

doctor visit	398
immobilization	22
injections	22
nail avulsion	36
nail procedures	36
vascular procedures	29

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	67
Female	98

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2013

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2013 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	70
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	47
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2014 were injections, debridement (removal of unhealthy tissue), aspiration and nail avulsion.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

aspiration	20
debridement (removal of unhealthy tissue)	37
doctor visit	455
injections	49
nail avulsion	19
nail procedures	19
vascular procedures	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	75
Female	104

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	29
85 and over	13
Less than 65	27

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2014

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2014 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	68
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	8
Diabetes	44
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2015 were debridement (removal of unhealthy tissue), vascular procedures, injections and nail avulsion.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	71
doctor visit	478
immobilization	11
injections	33
nail avulsion	17
nail procedures	17
vascular procedures	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	180
Female	212

**Ethnicity**
Non-Hispanic White	316
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	96
85 and over	24
Less than 65	44

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2015

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2015 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	71
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	36
Depression	15
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	46
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2016 were debridement (removal of unhealthy tissue), vascular procedures, nail avulsion and nail procedures.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	63
doctor visit	389
injections	18
nail avulsion	19
nail procedures	19
vascular procedures	41

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	99
Female	125

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	52
85 and over	16
Less than 65	22

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2016

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2016 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	70
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	43
Asthma	15
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	43
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2017 were debridement (removal of unhealthy tissue), nail avulsion, nail procedures and vascular procedures.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	83
doctor visit	457
nail avulsion	19
nail procedures	19
vascular procedures	15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	112
Female	143

**Ethnicity**
Non-Hispanic White	190
Black	21
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	68
85 and over	16
Less than 65	30

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2017

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2017 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	70
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	47
Asthma	7
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	45
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2018 were debridement (removal of unhealthy tissue), nail avulsion, lower extremity surgery and nail procedures.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	57
doctor visit	583
lower extremity surgery	43
nail avulsion	43
nail procedures	43

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	129
Female	150

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	78
85 and over	18
Less than 65	26

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2018

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2018 were high cholesterol, chronic kidney disease, diabetes and ischemic heart disease.

Hypertension	0
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	44
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2019 were debridement (removal of unhealthy tissue), nail procedures, nail avulsion and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	62
doctor visit	612
injections	12
nail avulsion	36
nail procedures	53
removal of lesion (e.g. growth)	24
skin procedures	24
vascular procedures	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	139
Female	147

**Ethnicity**
Non-Hispanic White	234
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	78
85 and over	17
Less than 65	27

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2019

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2019 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	66
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	40
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2020 were debridement (removal of unhealthy tissue), nail procedures, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	51
doctor visit	501
nail avulsion	14
nail procedures	30
removal of lesion (e.g. growth)	20
skin procedures	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	125
Female	127

**Ethnicity**
Non-Hispanic White	208
Black	12
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	76
85 and over	23
Less than 65	17

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2020

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2020 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	70
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	41
Asthma	6
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	42
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2021 were debridement (removal of unhealthy tissue), lower extremity surgery, nail avulsion and nail procedures.

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	43
doctor visit	462
lower extremity surgery	31
nail avulsion	25
nail procedures	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	117
Female	122

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	81
85 and over	19
Less than 65	14

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2021

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2021 were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	70
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	36
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2022 were nail avulsion, nail procedures, injections and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

debridement (removal of unhealthy tissue)	16
doctor visit	497
injections	18
nail avulsion	21
nail procedures	21
removal of lesion (e.g. growth)	16
skin procedures	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	126
Female	133

**Ethnicity**
Non-Hispanic White	207
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	107
85 and over	15
Less than 65	14

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2022

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2022 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	15
Atrial Fibrilation	19
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	6
Cancer	20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ during 2023 were vascular procedures, nail avulsion, nail procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

doctor visit	475
nail avulsion	18
nail procedures	18
removal of lesion (e.g. growth)	14
skin procedures	14
vascular procedures	44

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	99
Female	134

**Ethnicity**
Non-Hispanic White	185
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	95
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2023

The most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated during 2023 were high cholesterol, hypertension, diabetes and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	21
Depression	18
Chronic Kidney Disease	34
Asthma	14
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	7
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Randall Lee Brower, DPM for Medicare patients.

The highest averages for the top procedures that Dr. Randall Lee Brower, DPM treated as a podiatrist in Avondale, AZ were debridement (removal of unhealthy tissue), lower extremity surgery, vascular procedures and nail procedures.

aspiration	20
debridement (removal of unhealthy tissue)	53
doctor visit	482
immobilization	16
injections	25
lower extremity surgery	37
nail avulsion	24
nail procedures	27
removal of lesion (e.g. growth)	18
skin procedures	18
vascular procedures	28

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Randall Lee Brower, DPM.

**Gender**
Male	115
Female	135

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	200
Native American / Alaskan Native	0
Hispanic	27
Other	0

**Age**
75 to 84	72
85 and over	14
Less than 65	20
65 to 74	138

Average of Total of Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Randall Lee Brower, DPM treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	64
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	39
Asthma	9
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	41
Atrial Fibrillation	10
Dementia	8
Cancer	13

Education & Training

Dr. Randall Lee Brower, DPM graduated from Des Moines University College of Podiatric Medicine and Surgery. He completed residency at Detroit Receiving Hospital. He is certified by the Foot and Ankle Surgery (ABFAS) Foot and Ankle Surgery Sub: Recon Rearfoot/Ankle and has a state license in Arizona.

Medical School: Des Moines University College of Podiatric Medicine and Surgery

Residency: Detroit Receiving Hospital

Board Certification: Foot and Ankle Surgery (ABFAS) Foot and Ankle Surgery Sub: Recon Rearfoot/Ankle

Licensed In: Arizona

Affiliations & Hospitals

Dr. Randall Lee Brower, DPM is associated with these hospitals and organizations:

Revere Medical

Dignity Health

St. Joseph Medical Center

St Joseph's Hospital and Medical Center

ALLEN FOOT AND ANKLE MEDICINE AND SURGERY PLC

Ratings & Reviews

Dr. Randall Lee Brower, DPM does not have any reviews yet, be the first to leave a review of Dr. Randall Lee Brower, DPM here: Leave a Review

(No ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Randall Lee Brower, DPM. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
MedShape, Inc.	$8,468 $8,468
BioMedical Enterprises Inc	$4,565 SPEED $3,998	NITINOL BONE PLATE $567
Tornier, Inc.	$2,079 LE - Salto Talaris Total Ankle $1,278	LE - Stabilis Plating System $608	LE - MaxLock Extreme $135	LE - Cannulated Intra Fix Sys $30	LE - MaxTorque Cann Screw Sys $28
Trilliant Surgical LLC.	$1,060 Two Step $1,060
Smith & Nephew, Inc.	$751 VERSAJET II $503	Banish II $247
Other	$1,252 CLARIX $264	ARTHREX PRODUCT LINE DISTAL EXTREMITY ARTHROSCOPY $206	trauma navigation system $145	DR. COMFORT Diabetic Shoes and Inserts $74	Exogen $53	Other $510

**Types of Payments**
Consulting Fee	$8,545
Food and Beverage	$5,433
Travel and Lodging	$3,909
Education	$287

Biography

Dr. Randall Brower specializes in foot & ankle surgery and podiatry (foot & ankle medicine) and practices in Phoenix, AZ and Avondale, AZ. Dr. Brower is affiliated with Revere Medical, Dignity Health, and St. Joseph Medical Center. Dignity Health reports that he is accepting new patients at his office in Avondale, AZ. He trained at Detroit Receiving Hospital for his residency.

Select Year:

Dr. Randall Lee Brower, DPM

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Randall Lee Brower, DPM in 2023

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Randall Lee Brower, DPM From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Foot & Ankle Surgeons in Nearby Locations

Other Providers in Avondale, AZ