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Dr. Chad Michael Ruoff, MD

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Specializes in: Internal Medicine (Adult Medicine) and Sleep Medicine

Wright State University, Boonshoft School of Medicine (2007)

13400 E Shea Boulevard
Scottsdale, AZ 85259

(480) 301-8000

Dr. Chad Michael Ruoff, MD is an internist in Scottsdale, AZ specializing in internal medicine (adult medicine) and sleep medicine. He graduated from Wright State University, Boonshoft School of Medicine in 2007 and has 19 years of experience. Dr. Chad Michael Ruoff, MD is affiliated with Mayo Clinic and MAYO CLINIC ARIZONA.

Office Locations

13400 E Shea Boulevard
Scottsdale, AZ 85259

(480) 301-8000

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Phoenix, AZ

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In The News

“"These findings suggest that increased arousals may contribute to the nonrestorative sleep experienced by individuals with idiopathic hypersomnia," Chad Ruoff, MD, of the Mayo Clinic in Phoenix,...”—"Low-Sodium Oxybate Lowers Blood Pressure in Narcolepsy", MedPage Today, June 2025

“Dr. Chad Ruoff, a fellow at Stanford Sleep Medicine Center, says the gold standard for snoring and sleep apnea are not nasal turbinate or Pillar procedures but the continuous positive airway...”—"Restless zzz for sleep apnea sufferers", Seattle Times, September 2010

“Dr. Chad Ruoff, a fellow at Stanford Sleep Medicine Center, says the gold standard for snoring and sleep apnea are not nasal turbinate or Pillar procedures but the continuous positive airway...”—"Do you snore? Check for sleep apnea", Mercury News, August 2010

Noteworthy Medicare Patient Procedures Performed by Dr. Chad Michael Ruoff, MD in 2023

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

Top 25%

By Volume:

CPAP treatment

in-lab polysomnography

sleep study

In 2013, Dr. Chad Michael Ruoff, MD performed more CPAP treatment, in-lab polysomnography (overnight sleep study), and sleep study 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. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2013 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	14
doctor visit	408
sleep study	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	158
Female	142

**Ethnicity**
Non-Hispanic White	233
Black	0
Hispanic	18
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	94
85 and over	16
Less than 65	62

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2013

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2013 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	54
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	13
Asthma	10
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2014 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	34
doctor visit	452
sleep study	53

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	179
Female	153

**Ethnicity**
Non-Hispanic White	244
Black	0
Hispanic	25
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	89
85 and over	17
Less than 65	71

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2014

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2014 were high cholesterol, hypertension, depression and ischemic heart disease.

Hypertension	50
High Cholesterol	54
Stroke	3
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2015 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	49
doctor visit	381
sleep study	90

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	396
Female	304

**Ethnicity**
Non-Hispanic White	500
Black	0
Hispanic	34
Asian	106
Other	30
Native American	0

**Age**
From 65 to 74	330
From 75 to 84	200
85 and over	46
Less than 65	124

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2015

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2015 were hypertension, high cholesterol, depression and ischemic heart disease.

Hypertension	58
High Cholesterol	47
Stroke	4
Ischemic Heart Disease	26
Depression	28
Chronic Kidney Disease	20
Asthma	11
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	6
Diabetes	25
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2016 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	17
doctor visit	240
sleep study	35

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	125
Female	101

**Ethnicity**
Non-Hispanic White	149
Black	11
Hispanic	17
Asian	31
Other	18
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	64
85 and over	12
Less than 65	34

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2016

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	61
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	27
Asthma	14
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2020 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	54
doctor visit	128
sleep study	110

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	121
Female	73

**Ethnicity**
Non-Hispanic White	164
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	67
85 and over	24
Less than 65	13

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2020

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2020 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	62
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	43
Depression	18
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	14
Atrial Fibrilation	26
Heart Failure	20
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2021 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	237
doctor visit	403
sleep study	417

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	418
Female	259

**Ethnicity**
Non-Hispanic White	602
Black	0
Hispanic	19
Asian	13
Other	27
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	266
85 and over	54
Less than 65	24

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2021

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2021 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	69
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	47
Depression	22
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2022 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	230
doctor visit	483
sleep study	320

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	388
Female	261

**Ethnicity**
Non-Hispanic White	574
Black	0
Hispanic	23
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	225
85 and over	72
Less than 65	26

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2022

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2022 were high cholesterol, hypertension, ischemic heart disease and atrial fibrilation.

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	16
Atrial Fibrilation	27
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	3
Cancer	20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ during 2023 were sleep study and airway management.

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

airway management	195
doctor visit	593
sleep study	213

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Male	434
Female	270

**Ethnicity**
Non-Hispanic White	609
Black	15
Hispanic	26
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	337
From 75 to 84	276
85 and over	75
Less than 65	16

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2023

The most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated during 2023 were high cholesterol, hypertension, ischemic heart disease and atrial fibrilation.

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	29
Asthma	16
Osteoperosis	13
Atrial Fibrilation	33
Heart Failure	25
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	6
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Chad Michael Ruoff, MD for Medicare patients.

The highest averages for the top procedures that Dr. Chad Michael Ruoff, MD treated as an internist in Scottsdale, AZ were sleep study and airway management.

airway management	103
doctor visit	386
sleep study	156

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Chad Michael Ruoff, MD.

**Gender**
Female	195
Male	277

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	28
Non-Hispanic White	384
Hispanic	20
Native American / Alaskan Native	0
Other	17

**Age**
85 and over	39
75 to 84	160
Less than 65	46
65 to 74	226

Average of Total of Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Chad Michael Ruoff, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	63
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	25
Asthma	11
Osteoporosis	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Atrial Fibrillation	19
Dementia	6
Cancer	15

Education & Training

Dr. Chad Michael Ruoff, MD graduated from Wright State University, Boonshoft School of Medicine in 2007. He completed residency at Baylor College of Medicine Affiliated Hospitals. He is certified by the Internal Medicine American Board of Internal Medicine and has a state license in Arizona.

Medical School: Wright State University, Boonshoft School of Medicine (2007)

Residency: Baylor College of Medicine Affiliated Hospitals (2010)

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

Licensed In: Arizona

Affiliations & Hospitals

Dr. Chad Michael Ruoff, MD is associated with these hospitals and organizations:

Mayo Clinic

MAYO CLINIC ARIZONA

Ratings & Reviews

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General Payments

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

**Payments by Company**
Jazz Pharmaceuticals Inc.	$19,248 Xyrem $10,999	XYWAV $5,008	$3,241
Alkermes, Inc.	$2,000 $2,000
EISAI INC.	$1,740 $1,740
Takeda Pharmaceuticals U.S.A., Inc.	$213 $213

**Types of Payments**
Consulting Fee	$18,280
Travel and Lodging	$2,966
Food and Beverage	$1,305
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$650

Research Payments

Dr. Chad Michael Ruoff, MD has received 42 research payments totaling $2,060,954.

Biography

Dr. Chad Ruoff is a sleep medicine specialist in Scottsdale, AZ and Phoenix, AZ. Dr. Ruoff is professionally affiliated with Mayo Clinic. Before completing his residency at a hospital affiliated with Baylor College of Medicine, Dr. Ruoff attended medical school at Wright State University, Boonshoft School of Medicine.

Select Year:

Dr. Chad Michael Ruoff, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Chad Michael Ruoff, MD in 2023

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2016

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chad Michael Ruoff, MD 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. Chad Michael Ruoff, MD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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