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Home > AZ Providers > Allergists & Immunologists

Dr. Heather Ruth Cassell, MD

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Specializes in: Allergy & Immunology and General Pediatrics

2902 E Grant Road
Tucson, AZ 85716

(520) 322-8361

Dr. Heather Ruth Cassell, MD is an allergist and immunologist in Tucson, AZ specializing in allergy & immunology and general pediatrics.

Office Locations

2902 E Grant Road
Tucson, AZ 85716

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In The News

“I think we're just seeing all the children who we have this increase in peanut allergy that has been going on, through the ages and now they're all adults," said Dr. Heather Cassell, a specialist...”—"More adults allergic to peanuts than kids, study details prevalence of allergen", WCPO Cincinnati, March 2021

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ during 2012 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

allergy testing	864
doctor visit	149
immunotherapy	166
injections	166
minimally invasive procedures	864
skin testing	864

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ during 2013 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

allergy testing	1087
doctor visit	160
immunotherapy	303
injections	303
minimally invasive procedures	1087
skin testing	1087

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	32
Female	99

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	29
85 and over	11
Less than 65	11

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2013

Hypertension	50
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	27
Depression	20
Chronic Kidney Disease	0
Asthma	34
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	15
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ during 2014 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

allergy testing	821
doctor visit	149
immunotherapy	359
injections	359
minimally invasive procedures	821
skin testing	821

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	26
Female	84

**Age**
From 65 to 74	62
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2014

Hypertension	45
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	22
Depression	15
Chronic Kidney Disease	10
Asthma	37
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	10
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ during 2015 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

allergy testing	1243
doctor visit	177
immunotherapy	344
injections	344
minimally invasive procedures	1243
skin testing	1243

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	86
Female	190

**Ethnicity**
Non-Hispanic White	248
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	90
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2015

Hypertension	49
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	10
Asthma	34
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	15
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ during 2016 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

allergy testing	551
doctor visit	127
immunotherapy	213
injections	213
minimally invasive procedures	551
skin testing	551

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	22
Female	91

**Age**
From 65 to 74	71
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2016

Hypertension	50
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	18
Depression	17
Chronic Kidney Disease	18
Asthma	42
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	15
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

doctor visit	40

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Age**
From 65 to 74	15
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2017

Hypertension	47
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	50
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

doctor visit	37

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD in 2018

Hypertension	52
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	59
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	0
Female	17

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Male	0
Female	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

doctor visit	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

doctor visit	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Heather Ruth Cassell, MD for Medicare patients.

The highest averages for the top procedures that Dr. Heather Ruth Cassell, MD treated as an allergist and immunologist in Tucson, AZ were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing	913
doctor visit	96
immunotherapy	277
injections	277
minimally invasive procedures	913
skin testing	913

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Heather Ruth Cassell, MD.

**Gender**
Female	44
Male	15

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	33
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	1
75 to 84	16
Less than 65	1
65 to 74	35

Average of Total of Conditions of Medicare patients treated by Dr. Heather Ruth Cassell, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Heather Ruth Cassell, MD treated were hypertension, asthma, high cholesterol and ischemic heart disease.

Hypertension	26
High Cholesterol	21
Stroke	0
Ischemic Heart Disease	8
Depression	6
Chronic Kidney Disease	3
Asthma	23
Osteoporosis	2
Heart Failure	0
Chronic Obstructive Pulmonary Disease	3
Diabetes	5
Atrial Fibrillation	0
Dementia	0
Cancer	2

Education & Training

She has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

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

**Payments by Company**
Teva Pharmaceuticals USA, Inc.	$8,738 QVAR $4,513	QNASL $1,813	RESPICLICK $1,546	PROAIR RESPICLICK $500	PROAIR $366
AstraZeneca Pharmaceuticals LP	$572 SYMBICORT $284	MOVANTIK $96	$193
Merck Sharp & Dohme Corporation	$297 DULERA $141	RAGWITEK $116	NON-PRODUCT $40
Shire North American Group Inc	$215 Cinryze $215
Novartis Pharmaceuticals Corporation	$207 XOLAIR $187	NON_BRAND $20
Other	$1,718 BRONCHIAL THERMOPLASTY $200	DUPIXENT DUPILUMAB INJECTION $122	Kalbitor $113	DUPIXENT $99	Dymista $90	Other $1,094

**Types of Payments**
Food and Beverage	$3,806
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,600
Honoraria	$3,100
Travel and Lodging	$1,173
Education	$70

Research Payments

Dr. Heather Ruth Cassell, MD has received 28 research payments totaling $260,836.

Biography

Dr. Heather Cassell's areas of specialization are general pediatrics and allergy & immunology. She attended medical school at the University of Arizona College of Medicine. Dr. Cassell is affiliated with Banner - University Medical Group (BUMG).