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Dr. Howard David Pettigrew, PhD, MD

Accepting New Patients

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Specializes in: Allergy & Immunology and Internal Medicine (Adult Medicine)
University of Vermont College of Medicine
Professional interests include: asthma, allergies
2021 Herndon Avenue
Clovis, CA 93611

Dr. Howard David Pettigrew, PhD, MD is an allergist and immunologist in Clovis, CA specializing in allergy & immunology and internal medicine (adult medicine). This provider graduated from University of Vermont College of Medicine. Dr. Howard David Pettigrew, PhD, MD is affiliated with Saint Agnes Medical Center, Astrana Health, Dignity Health, Bay Area Care Partners, BAZ ALLERGY ASTHMA & SINUS CENTER INC and BAZ ALLERGY ASTHMA AND SINUS CENTER INC.

View Doctor's Full Profile (559) 436-4500

Office Locations

BAZ ALLERGY ASTHMA & SINUS CENTER INC

2021 Herndon Avenue
Clovis, CA 93611
(559) 472-3116
(559) 324-8748
open_in_new
7471 N Fresno Street
Fresno, CA 93720
open_in_new

Some issues Dr. Howard David Pettigrew, PhD, MD can help you with:

Asthma

Asthma is a chronic lung disease where the tissue and airways of the lungs become extremely sensitive to certain substances. When these substances are breathed in, the lungs become inflamed. The muscles around the airways tighten and squeeze the lungs, and passages within the lungs swell and tighten. The airways themselves produce mucus, which further clogs the tightened, swollen airways. A person having an asthma attack finds it very difficult to breathe, and a severe attack can even be fatal.

Asthma affects people of all ages, but people with asthma are most often diagnosed as children. Symptoms can include wheezing, a tight feeling in the chest, shortness of breath, and coughing. Some people have mild symptoms all the time, and some people have no symptoms at all, but everyone with asthma is susceptible to occasional severe attacks or flare-ups of symptoms when they are exposed to triggers. Triggers vary widely but can include:

  • Allergens (dust mites, pet fur, mold, pollen, grass)
  • Irritants (smoke, pollution, dust, chemicals)
  • Viral infections
  • Physical activity, especially outdoors
  • Certain medications or chemicals in foods (aspirin, sulfites)

Treatment for most asthma patients involves three steps. Patients learn what their asthma triggers are and avoid them. They take a daily control medication, usually an inhaled corticosteroid, to reduce inflammation in the lungs. Also, they have rescue medication with them at all times to take in case of a severe attack. These quick-acting inhaled medications relax the muscles around the airways and allow the lungs to open up for air.

There is no cure for asthma, but with treatment it should not interfere with daily life and activities.

In The News 

“- H. David Pettigrew, an allergist, has joined Baz Allergy, Asthma & Sinus Center after completing a fellowship in Allergy/Immunology at University of California at Davis.”—"Board Room 9/11", Fresno Bee, September 2011

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2013 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 3668
breathing treatment 73
CT scan 22
doctor visit 568
immunotherapy 777
injections 777
minimally invasive procedures 3460
pulmonary testing 157
skin testing 3668

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 116
Female 208
Ethnicity
Non-Hispanic White 209
Black 0
Hispanic 77
Asian 18
Other 0
Native American 0
Age
From 65 to 74 166
From 75 to 84 74
85 and over 19
Less than 65 65

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2013

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2013 were asthma, hypertension, high cholesterol and ischemic heart disease.

Hypertension 71
High Cholesterol 54
Stroke 0
Ischemic Heart Disease 33
Depression 15
Chronic Kidney Disease 16
Asthma 71
Osteoperosis 10
Atrial Fibrilation 7
Heart Failure 14
Chronic Obstructive Pulmonary Disease 13
Diabetes 29
Dementia 6
Cancer 7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2014 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 3396
breathing treatment 75
CT scan 12
doctor visit 739
immunotherapy 1189
injections 1189
minimally invasive procedures 3082
pulmonary testing 218
skin testing 3396

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 141
Female 274
Ethnicity
Non-Hispanic White 272
Black 0
Hispanic 96
Asian 21
Other 0
Native American 0
Age
From 65 to 74 216
From 75 to 84 99
85 and over 18
Less than 65 82

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2014

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2014 were hypertension, asthma, high cholesterol and diabetes.

Hypertension 72
High Cholesterol 60
Stroke 3
Ischemic Heart Disease 32
Depression 16
Chronic Kidney Disease 18
Asthma 69
Osteoperosis 11
Atrial Fibrilation 5
Heart Failure 13
Chronic Obstructive Pulmonary Disease 15
Diabetes 34
Dementia 5
Cancer 7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2015 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 2197
breathing treatment 51
CT scan 17
doctor visit 710
immunotherapy 1621
injections 1621
minimally invasive procedures 1942
skin testing 2197

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 214
Female 436
Ethnicity
Non-Hispanic White 496
Black 0
Hispanic 98
Asian 0
Other 0
Native American 0
Age
From 65 to 74 364
From 75 to 84 142
85 and over 40
Less than 65 104

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2015

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2015 were asthma, hypertension, high cholesterol and diabetes.

Hypertension 60
High Cholesterol 58
Stroke 4
Ischemic Heart Disease 29
Depression 18
Chronic Kidney Disease 18
Asthma 66
Osteoperosis 11
Atrial Fibrilation 6
Heart Failure 8
Chronic Obstructive Pulmonary Disease 11
Diabetes 32
Dementia 5
Cancer 10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2016 were immunotherapy, injections and breathing treatment.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

breathing treatment 15
doctor visit 422
immunotherapy 1086
injections 1086

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 65
Female 124
Ethnicity
Non-Hispanic White 149
Black 0
Hispanic 27
Asian 0
Other 0
Native American 0
Age
From 65 to 74 108
From 75 to 84 47
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2016

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2016 were hypertension, asthma, high cholesterol and diabetes.

Hypertension 62
High Cholesterol 54
Stroke 0
Ischemic Heart Disease 29
Depression 17
Chronic Kidney Disease 20
Asthma 61
Osteoperosis 11
Atrial Fibrilation 0
Heart Failure 7
Chronic Obstructive Pulmonary Disease 0
Diabetes 31
Dementia 0
Cancer 9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2017 were immunotherapy, injections and breathing treatment.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

breathing treatment 27
doctor visit 515
immunotherapy 823
injections 823

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 92
Female 155
Ethnicity
Non-Hispanic White 173
Black 0
Hispanic 49
Asian 0
Other 0
Native American 0
Age
From 65 to 74 135
From 75 to 84 58
85 and over 17
Less than 65 37

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2017

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2017 were hypertension, asthma, high cholesterol and ischemic heart disease.

Hypertension 59
High Cholesterol 53
Stroke 0
Ischemic Heart Disease 32
Depression 18
Chronic Kidney Disease 26
Asthma 57
Osteoperosis 11
Atrial Fibrilation 0
Heart Failure 13
Chronic Obstructive Pulmonary Disease 15
Diabetes 31
Dementia 0
Cancer 8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2018 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 1848
breathing treatment 33
doctor visit 565
immunotherapy 1185
injections 1185
minimally invasive procedures 1560
skin testing 1848

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 108
Female 183
Ethnicity
Non-Hispanic White 182
Black 0
Hispanic 71
Asian 21
Other 0
Native American 0
Age
From 65 to 74 148
From 75 to 84 69
85 and over 18
Less than 65 56

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2018

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2018 were hypertension, asthma, high cholesterol and ischemic heart disease.

Hypertension 71
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 33
Depression 19
Chronic Kidney Disease 25
Asthma 62
Osteoperosis 7
Atrial Fibrilation 5
Heart Failure 13
Chronic Obstructive Pulmonary Disease 15
Diabetes 30
Dementia 0
Cancer 9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2019 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 1288
breathing treatment 36
doctor visit 460
immunotherapy 943
injections 943
minimally invasive procedures 1288
skin testing 1288

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 86
Female 153
Ethnicity
Non-Hispanic White 149
Black 0
Hispanic 69
Asian 0
Other 0
Native American 0
Age
From 65 to 74 113
From 75 to 84 64
85 and over 14
Less than 65 48

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2019

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2019 were hypertension, asthma, high cholesterol and diabetes.

Hypertension 69
High Cholesterol 58
Stroke 0
Ischemic Heart Disease 27
Depression 18
Chronic Kidney Disease 27
Asthma 67
Osteoperosis 9
Atrial Fibrilation 5
Heart Failure 14
Chronic Obstructive Pulmonary Disease 17
Diabetes 35
Dementia 0
Cancer 8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2020 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 1114
doctor visit 578
immunotherapy 907
injections 907
minimally invasive procedures 1114
skin testing 1114

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 89
Female 197
Ethnicity
Non-Hispanic White 197
Black 0
Hispanic 69
Asian 0
Other 0
Native American 0
Age
From 65 to 74 147
From 75 to 84 77
85 and over 19
Less than 65 43

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2020

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2020 were hypertension, asthma, high cholesterol and ischemic heart disease.

Hypertension 68
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 30
Depression 19
Chronic Kidney Disease 25
Asthma 65
Osteoperosis 9
Atrial Fibrilation 7
Heart Failure 17
Chronic Obstructive Pulmonary Disease 13
Diabetes 28
Dementia 5
Cancer 7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2021 were immunotherapy, injections and breathing treatment.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

breathing treatment 27
doctor visit 535
immunotherapy 921
injections 921

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 103
Female 217
Ethnicity
Non-Hispanic White 217
Black 0
Hispanic 77
Asian 0
Other 0
Native American 0
Age
From 65 to 74 170
From 75 to 84 87
85 and over 21
Less than 65 42

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2021

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2021 were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension 73
High Cholesterol 63
Stroke 0
Ischemic Heart Disease 32
Depression 18
Chronic Kidney Disease 26
Asthma 60
Osteoperosis 12
Atrial Fibrilation 9
Heart Failure 17
Chronic Obstructive Pulmonary Disease 9
Diabetes 25
Dementia 5
Cancer 10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2022 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

allergy testing 938
breathing treatment 32
doctor visit 487
immunotherapy 913
injections 913
minimally invasive procedures 938
skin testing 938

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 88
Female 202
Ethnicity
Non-Hispanic White 201
Black 0
Hispanic 68
Asian 0
Other 0
Native American 0
Age
From 65 to 74 149
From 75 to 84 90
85 and over 12
Less than 65 39

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2022

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2022 were high cholesterol, hypertension, asthma and diabetes.

Hypertension 75
High Cholesterol 75
Stroke 5
Ischemic Heart Disease 22
Depression 20
Chronic Kidney Disease 21
Asthma 69
Osteoperosis 16
Atrial Fibrilation 13
Heart Failure 15
Chronic Obstructive Pulmonary Disease 18
Diabetes 26
Dementia 0
Cancer 13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA during 2023 were immunotherapy, injections and breathing treatment.

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

breathing treatment 34
doctor visit 386
immunotherapy 820
injections 820

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 78
Female 155
Ethnicity
Non-Hispanic White 152
Black 0
Hispanic 56
Asian 0
Other 0
Native American 0
Age
From 65 to 74 109
From 75 to 84 80
85 and over 14
Less than 65 30

Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD in 2023

The most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated during 2023 were high cholesterol, hypertension, asthma and diabetes.

Hypertension 75
High Cholesterol 75
Stroke 5
Ischemic Heart Disease 27
Depression 17
Chronic Kidney Disease 24
Asthma 64
Osteoperosis 14
Atrial Fibrilation 11
Heart Failure 15
Chronic Obstructive Pulmonary Disease 13
Diabetes 29
Dementia 0
Cancer 11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Howard David Pettigrew, PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Howard David Pettigrew, PhD, MD treated as an allergist and immunologist in Clovis, CA were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing 2064
CT scan 17
doctor visit 542
immunotherapy 1016
injections 1016
minimally invasive procedures 1912
pulmonary testing 187
skin testing 2064

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD.

Gender
Male 107
Female 209
Ethnicity
Black / African American 0
Asian / Pacific Islander 5
Non-Hispanic White 217
Hispanic 68
Native American / Alaskan Native 0
Other 0
Age
75 to 84 80
85 and over 17
Less than 65 49
65 to 74 165

Average of Total of Conditions of Medicare patients treated by Dr. Howard David Pettigrew, PhD, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Howard David Pettigrew, PhD, MD treated were hypertension, asthma, high cholesterol and diabetes.

Hypertension 68
High Cholesterol 61
Stroke 1
Ischemic Heart Disease 29
Depression 17
Chronic Kidney Disease 22
Asthma 64
Osteoporosis 11
Heart Failure 13
Chronic Obstructive Pulmonary Disease 12
Diabetes 30
Atrial Fibrillation 6
Dementia 2
Cancer 9

Education & Training

Dr. Howard David Pettigrew, PhD, MD graduated from University of Vermont College of Medicine. This provider completed residency at University of Texas Health Science Center at San Antonio and Affiliated Hospitals. This provider is certified by the MEDICAL BOARD OF CALIFORNIA and has a state license in California.

Medical School: University of Vermont College of Medicine

Residency: University of Texas Health Science Center at San Antonio and Affiliated Hospitals

Board Certification: MEDICAL BOARD OF CALIFORNIA

Licensed In: California

Affiliations & Hospitals

Dr. Howard David Pettigrew, PhD, MD is associated with these hospitals and organizations:

Saint Agnes Medical Center
Astrana Health
Dignity Health
Bay Area Care Partners
BAZ ALLERGY ASTHMA & SINUS CENTER INC
BAZ ALLERGY ASTHMA AND SINUS CENTER INC

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Howard David Pettigrew, PhD, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

Payments by Company
BioCryst US Sales Co., LLC $387 Orladeyo
$387
AstraZeneca Pharmaceuticals LP $349 SYMBICORT
$109 		FASENRA
$106 		AIRSUPRA
$47 		BREZTRI
$24 		TEZSPIRE
$15 		Other
$47
GlaxoSmithKline, LLC. $333 TRELEGY ELLIPTA
$199 		NUCALA
$108 		BREO
$13 		VENTOLIN
$13
Octapharma USA, Inc. $282 CUTAQUIG
$282
Mylan Specialty L.P. $219 EpiPen
$219
Other $1,491 DUPIXENT
$134 		SPIRIVA RESPIMAT
$128 		NIOX VERO
$125 		Niox Mino Device
$122 		Pataday
$72 		Other
$911
Types of Payments
Food and Beverage $3,061

Biography

Dr. Howard Pettigrew works as an allergy & immunology. Areas of expertise for Dr. Pettigrew include asthma and allergies. He is professionally affiliated with Saint Agnes Medical Center. After attending the University of Vermont College of Medicine for medical school, he completed his residency training at a hospital affiliated with the University of Texas Health Science Center at San Antonio.

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