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Home > CA Providers > Allergists & Immunologists
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Dr. Alfred O. Moon, MD

Accepting New Patients
(Dr. Alfred Moon, M.D.)
Specializes in: Allergy & Immunology
Albany Medical College
Professional interests include: milk allergy, allergy testing, seasonal allergies, and more.
955 W Imperial Highway Suite 110
Brea, CA 92821

Dr. Alfred O. Moon, MD is an allergist and immunologist in Brea, CA specializing in allergy & immunology. He graduated from Albany Medical College. Dr. Alfred O. Moon, MD is affiliated with Providence, Providence Medical Foundation, Providence St. Jude Medical Center, St. Jude Medical Center (Fullerton) and St. Jude Heritage Medical Group.

View Doctor's Full Profile (714) 449-6915

Office Locations

St. Jude Heritage Medical Group

955 W Imperial Highway Suite 110
Brea, CA 92821
(714) 449-6915
open_in_new

Some issues Dr. Alfred O. Moon, 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.

Subcutaneous Allergen Immunotherapy (Allergy Shots)

Also known as allergy shots, subcutaneous allergen immunotherapy is a treatment in which gradually increasing doses of an allergen are injected under the skin. An allergen is a substance that can bring about an allergic reaction. Pollen, dust mites, and pet dander are the most common examples of these substances. When patients receive an allergy shot, their body produces "blocking" antibodies that decrease the immune system's sensitivity to an allergen, thus reducing their symptoms.

Before treatment is begun, patients and their doctors first have to identify different factors that trigger their symptoms. Then, skin tests are done to confirm which substances cause allergic reactions. Blood tests may be performed as well, but they are typically not necessary.

There are two phases to subcutaneous allergen immunotherapy: a build-up phase and a maintenance phase. The build-up phase lasts three to six months, during which patients receive shots with increasing amounts of the allergens once or twice a week. When the effective dose is reached, the maintenance phase begins and may continue for up to five years.

Although allergy shots are the longest-lasting and most effective allergy treatment available, they are not for everyone. If patients have heart problems, high blood pressure, or severe asthma, they should not be given allergy shots. The injections are generally safe, but they may have a little swelling at the injection site, which is normal. Rarely, severe shock-like reactions, called anaphylaxis, can also occur. Patients will likely be required by their doctor to stay for half an hour after their shot, so in the event of an anaphylactic reaction, it can be treated immediately.

Noteworthy Medicare Patient Procedures Performed by Dr. Alfred O. Moon, MD in 2023

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

Top 25%

By Affordability:

allergy skin testing
allergy testing
skin testing

In 2012, Dr. Alfred O. Moon, MD had a list price for allergy skin testing, allergy testing, and skin testing that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

doctor visit 43

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2013 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 1481
doctor visit 165
minimally invasive procedures 1481
skin testing 1481

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 35
Female 52
Ethnicity
Non-Hispanic White 69
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 48
From 75 to 84 27
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2013

Hypertension 66
High Cholesterol 72
Stroke 0
Ischemic Heart Disease 31
Depression 18
Chronic Kidney Disease 13
Asthma 34
Osteoperosis 16
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 17
Diabetes 23
Dementia 0
Cancer 14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2014 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 2103
doctor visit 168
minimally invasive procedures 2103
skin testing 2103

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 41
Female 57
Ethnicity
Non-Hispanic White 75
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 59
From 75 to 84 27
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2014

Hypertension 64
High Cholesterol 68
Stroke 0
Ischemic Heart Disease 29
Depression 19
Chronic Kidney Disease 14
Asthma 34
Osteoperosis 14
Atrial Fibrilation 0
Heart Failure 12
Chronic Obstructive Pulmonary Disease 15
Diabetes 27
Dementia 0
Cancer 11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2015 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 1389
doctor visit 255
immunotherapy 67
injections 67
minimally invasive procedures 1389
skin testing 1389

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 90
Female 152
Ethnicity
Non-Hispanic White 186
Black 0
Hispanic 22
Asian 0
Other 0
Native American 0
Age
From 65 to 74 142
From 75 to 84 74
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2015

Hypertension 55
High Cholesterol 66
Stroke 0
Ischemic Heart Disease 18
Depression 21
Chronic Kidney Disease 15
Asthma 31
Osteoperosis 11
Atrial Fibrilation 0
Heart Failure 10
Chronic Obstructive Pulmonary Disease 17
Diabetes 21
Dementia 0
Cancer 12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2016 were skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 1169
doctor visit 228
minimally invasive procedures 1169
skin testing 1169

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 45
Female 77
Ethnicity
Non-Hispanic White 86
Black 0
Hispanic 0
Asian 19
Other 0
Native American 0
Age
From 65 to 74 69
From 75 to 84 39
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2016

Hypertension 58
High Cholesterol 66
Stroke 10
Ischemic Heart Disease 23
Depression 16
Chronic Kidney Disease 17
Asthma 37
Osteoperosis 9
Atrial Fibrilation 9
Heart Failure 9
Chronic Obstructive Pulmonary Disease 14
Diabetes 22
Dementia 0
Cancer 11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2017 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 983
doctor visit 215
immunotherapy 280
injections 280
minimally invasive procedures 983
skin testing 983

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 58
Female 94
Ethnicity
Non-Hispanic White 110
Black 0
Hispanic 0
Asian 22
Other 0
Native American 0
Age
From 65 to 74 84
From 75 to 84 54
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2017

Hypertension 57
High Cholesterol 57
Stroke 0
Ischemic Heart Disease 23
Depression 17
Chronic Kidney Disease 23
Asthma 43
Osteoperosis 16
Atrial Fibrilation 10
Heart Failure 9
Chronic Obstructive Pulmonary Disease 17
Diabetes 20
Dementia 9
Cancer 8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2018 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 2792
doctor visit 269
immunotherapy 746
injections 746
minimally invasive procedures 2124
skin testing 2792

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 59
Female 119
Ethnicity
Non-Hispanic White 133
Black 0
Hispanic 22
Asian 0
Other 0
Native American 0
Age
From 65 to 74 83
From 75 to 84 67
85 and over 15
Less than 65 13

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2018

Hypertension 63
High Cholesterol 68
Stroke 0
Ischemic Heart Disease 18
Depression 17
Chronic Kidney Disease 24
Asthma 30
Osteoperosis 16
Atrial Fibrilation 10
Heart Failure 8
Chronic Obstructive Pulmonary Disease 16
Diabetes 24
Dementia 7
Cancer 11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2019 were immunotherapy and injections.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

doctor visit 233
immunotherapy 543
injections 543

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 51
Female 94
Ethnicity
Non-Hispanic White 96
Black 0
Hispanic 22
Asian 16
Other 0
Native American 0
Age
From 65 to 74 81
From 75 to 84 48
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2019

Hypertension 55
High Cholesterol 67
Stroke 0
Ischemic Heart Disease 21
Depression 18
Chronic Kidney Disease 21
Asthma 33
Osteoperosis 12
Atrial Fibrilation 9
Heart Failure 8
Chronic Obstructive Pulmonary Disease 17
Diabetes 23
Dementia 0
Cancer 8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2020 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 1461
doctor visit 215
immunotherapy 185
injections 185
minimally invasive procedures 1461
skin testing 1461

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 51
Female 94
Ethnicity
Non-Hispanic White 102
Black 0
Hispanic 14
Asian 18
Other 0
Native American 0
Age
From 65 to 74 81
From 75 to 84 48
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2020

Hypertension 57
High Cholesterol 62
Stroke 0
Ischemic Heart Disease 19
Depression 12
Chronic Kidney Disease 23
Asthma 34
Osteoperosis 19
Atrial Fibrilation 12
Heart Failure 11
Chronic Obstructive Pulmonary Disease 16
Diabetes 18
Dementia 0
Cancer 11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2021 were skin testing, minimally invasive procedures, allergy testing and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 2117
doctor visit 188
immunotherapy 175
injections 175
minimally invasive procedures 2117
skin testing 2117

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 42
Female 86
Ethnicity
Non-Hispanic White 86
Black 0
Hispanic 0
Asian 21
Other 0
Native American 0
Age
From 65 to 74 67
From 75 to 84 45
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2021

Hypertension 55
High Cholesterol 59
Stroke 0
Ischemic Heart Disease 20
Depression 13
Chronic Kidney Disease 22
Asthma 34
Osteoperosis 16
Atrial Fibrilation 0
Heart Failure 9
Chronic Obstructive Pulmonary Disease 15
Diabetes 21
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA during 2022 were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

allergy testing 1803
doctor visit 264
immunotherapy 234
injections 234
minimally invasive procedures 851
skin testing 1803

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 50
Female 114
Ethnicity
Non-Hispanic White 107
Black 0
Hispanic 0
Asian 27
Other 0
Native American 0
Age
From 65 to 74 85
From 75 to 84 53
85 and over 13
Less than 65 13

Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD in 2022

Hypertension 63
High Cholesterol 75
Stroke 9
Ischemic Heart Disease 16
Depression 20
Chronic Kidney Disease 15
Asthma 37
Osteoperosis 28
Atrial Fibrilation 9
Heart Failure 10
Chronic Obstructive Pulmonary Disease 23
Diabetes 20
Dementia 0
Cancer 13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Alfred O. Moon, MD for Medicare patients.

The highest averages for the top procedures that Dr. Alfred O. Moon, MD treated as an allergist and immunologist in Brea, CA were skin testing, allergy testing, minimally invasive procedures and immunotherapy.

allergy testing 1699
doctor visit 203
immunotherapy 318
injections 318
minimally invasive procedures 1519
skin testing 1699

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Alfred O. Moon, MD.

Gender
Male 47
Female 85
Ethnicity
Black / African American 0
Asian / Pacific Islander 11
Non-Hispanic White 95
Hispanic 7
Native American / Alaskan Native 0
Other 0
Age
75 to 84 43
85 and over 2
Less than 65 2
65 to 74 72

Average of Total of Conditions of Medicare patients treated by Dr. Alfred O. Moon, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Alfred O. Moon, MD treated were high cholesterol, hypertension, asthma and diabetes.

Hypertension 53
High Cholesterol 60
Stroke 1
Ischemic Heart Disease 19
Depression 15
Chronic Kidney Disease 17
Asthma 31
Osteoporosis 14
Heart Failure 7
Chronic Obstructive Pulmonary Disease 15
Diabetes 19
Atrial Fibrillation 5
Cancer 9
Dementia 1

Education & Training

Dr. Alfred O. Moon, MD graduated from Albany Medical College. He is certified by the American Board of Allergy and Immunology and has a state license in Pennsylvania.

Medical School: Albany Medical College

Board Certification: American Board of Allergy and Immunology

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Alfred O. Moon, MD is associated with these hospitals and organizations:

Providence
Providence Medical Foundation
Providence St. Jude Medical Center
St. Jude Medical Center (Fullerton)
St. Jude Heritage Medical Group

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Alfred O. Moon, MD appears to accept the following insurance providers: Aetna PPO, Aetna HMO, CIGNA PPO, CIGNA HMO, MultiPlan PPO, Blue Shield of California, Medicare Advantage, HealthSmart, Interplan PPO, TriWest, Anthem Blue Cross HMO, Anthem Blue Cross PPO, Health Net PPO, Health Net HMO, Anthem, Coventry PPO, United Healthcare PPO, United Healthcare HMO, Providence, US Family Health Plan, Aetna Medicare PPO and CoventryFirst Health PPO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Alfred O. Moon, MD accepts the following insurance providers:

Aetna PPO
Aetna HMO
CIGNA PPO
CIGNA HMO
MultiPlan PPO
Blue Shield of California
Medicare Advantage
HealthSmart
Interplan PPO
TriWest
Anthem Blue Cross HMO
Anthem Blue Cross PPO
Health Net PPO
Health Net HMO
Anthem
Coventry PPO
United Healthcare PPO
United Healthcare HMO
Providence
US Family Health Plan
Aetna Medicare PPO
CoventryFirst Health PPO

Ratings & Reviews

Dr. Alfred O. Moon, MD has an exceptional overall rating with an average of 4.85 out of 5 stars based on 158 ratings. We collect ratings and reviews of Dr. Alfred O. Moon, MD from all over the web to help you find the right in Brea, CA. 

4.85
Overall Rating
Leave a Review

General Payments

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

Payments by Company
Alk-Abello, Inc $1,564 Odactra
$1,542 		GRASTEK
$21
GlaxoSmithKline, LLC. $1,070 NUCALA
$488 		BREO
$224 		TRELEGY ELLIPTA
$179 		BEXSERO
$45 		VENTOLIN
$31 		Other
$103
Pfizer Inc. $999 EUCRISA
$582 		CIBINQO
$215 		CUTAQUIG
$63 		PAXLOVID
$56 		PREVNAR - 13
$29 		Other
$55
AstraZeneca Pharmaceuticals LP $765 FASENRA
$373 		SYMBICORT
$185 		BEVESPI AEROSPHERE
$35 		TEZSPIRE
$28 		AIRSUPRA
$17 		Other
$128
Optinose US, Inc. $699 Xhance
$699
Other $6,484 XOLAIR
$874 		DUPIXENT
$740 		TEZSPIRE
$465 		CUVITRU
$389 		EpiPen
$380 		Other
$3,636
Types of Payments
Food and Beverage $9,989
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $1,300
Education $293

Biography

Dr. Alfred Moon sees patients in Yorba Linda, CA and Brea, CA. His medical specialty is allergy & immunology. His clinical interests include anaphylaxis, allergic contact dermatitis, and drug allergy. Dr. Moon is rated 5.0 stars (out of 5) by his patients. He seems to honor several insurance carriers, including Anthem, Blue California, and HealthSmart. He graduated from Albany Medical College. He is affiliated with Providence Medical Foundation. Providence Medical Foundation reports that Dr. Moon is accepting new patients at his office in Brea, CA.

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