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Dr. William L. Davidson II, FCAAI, MD

(Dr. William Larry Davidson II, MD)

(361 Ratings)

Specializes in: Adult Allergy & Immunology

University of South Alabama College of Medicine (2001)

8725 County Road 64
Daphne, AL 36526

(251) 625-1370

Dr. William L. Davidson II, FCAAI, MD is an allergist in Daphne, AL specializing in adult allergy & immunology. He graduated from University of South Alabama College of Medicine in 2001 and has 25 years of experience. Dr. William L. Davidson II, FCAAI, MD is affiliated with Infirmary Health, PULMONARY ASSOCIATES OF MOBILE PC, Thomas Hospital and Pulmonary Associates Of Mobile.

Office Locations

Thomas Hospital

8725 County Road 64
Daphne, AL 36526

(251) 625-1370

open_in_new

100 Memorial Hospital Drive Suite 1a
Mobile, AL 36608

(251) 343-6848

(251) 343-5708

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2001 Spring Hill Avenue
Mobile, AL 36607

(251) 433-3344

(251) 433-4052

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5955 Airport Boulevard
Mobile, AL 36608

(251) 633-0573

(251) 633-7367

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Noteworthy Medicare Patient Procedures Performed by Dr. William L. Davidson II, FCAAI, MD in 2023

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

Top 5%

By Affordability:

lung diffusion capacity test

lung volume test

maximum voluntary ventilation

In 2023, Dr. William L. Davidson II, FCAAI, MD had a list price for lung diffusion capacity test (DLCO), lung volume test, and maximum voluntary ventilation that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Alabama. 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.

Top 25%

By Volume:

percutaneous allergy test

pulmonary function test

By Affordability:

intradermal allergy test

pulmonary function test

In 2012, among providers in related specialties within Alabama, Dr. William L. Davidson II, FCAAI, MD performed more percutaneous allergy test, and pulmonary function test (PFT) procedures for Medicare patients than 75% of them and he also had a list price for intradermal allergy test, and pulmonary function test (PFT) that was lower than the list prices billed to Medicare by 75% of them. 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

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2012 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1435
blood draw	20
CT scan	21
doctor visit	266
minimally invasive procedures	1435
pulmonary testing	202
skin testing	1435
thoracic (chest) imaging	29
X-rays	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2013 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1972
blood draw	45
doctor visit	301
minimally invasive procedures	1972
pulmonary testing	265
skin testing	1972
thoracic (chest) imaging	48
X-rays	48

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	57
Female	107

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	51
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2013

Hypertension	68
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	12
Asthma	38
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	18
Diabetes	22
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2014 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1982
blood draw	48
CT scan	22
doctor visit	337
minimally invasive procedures	1982
preventive care	33
pulmonary testing	266
skin testing	1982
thoracic (chest) imaging	31
vaccines	33
X-rays	31

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	54
Female	120

**Ethnicity**
Non-Hispanic White	156
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	49
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2014

Hypertension	57
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	30
Depression	19
Chronic Kidney Disease	12
Asthma	43
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2015 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1675
blood draw	41
CT scan	14
doctor visit	215
immunotherapy	116
injections	116
minimally invasive procedures	1675
preventive care	14
pulmonary testing	243
skin testing	1675
thoracic (chest) imaging	31
vaccines	14
X-rays	31

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	92
Female	202

**Ethnicity**
Non-Hispanic White	266
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	86
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2015

Hypertension	65
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	29
Depression	19
Chronic Kidney Disease	15
Asthma	48
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	23
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2016 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	2087
blood draw	58
CT scan	22
doctor visit	294
immunotherapy	206
injections	206
minimally invasive procedures	2087
pulmonary testing	225
skin testing	2087
thoracic (chest) imaging	26
X-rays	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	59
Female	115

**Ethnicity**
Non-Hispanic White	161
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	42
85 and over	12
Less than 65	20

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2016

Hypertension	61
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	16
Asthma	45
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	18
Diabetes	18
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2017 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1981
blood draw	43
CT scan	18
doctor visit	293
immunotherapy	109
injections	109
minimally invasive procedures	1981
preventive care	15
pulmonary testing	327
skin testing	1981
thoracic (chest) imaging	49
vaccines	15
X-rays	49

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	56
Female	118

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	44
85 and over	14
Less than 65	20

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2017

Hypertension	67
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	19
Asthma	40
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	20
Diabetes	23
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2018 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1805
blood draw	29
doctor visit	287
immunotherapy	169
injections	169
minimally invasive procedures	1805
pulmonary testing	286
skin testing	1805

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	60
Female	106

**Age**
From 65 to 74	87
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2018

Hypertension	64
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	37
Depression	15
Chronic Kidney Disease	23
Asthma	38
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	10
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2019 were skin testing, allergy testing, minimally invasive procedures and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	3262
doctor visit	333
minimally invasive procedures	2822
pulmonary testing	352
skin testing	3262

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	59
Female	124

**Ethnicity**
Non-Hispanic White	168
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	46
85 and over	13
Less than 65	23

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2019

Hypertension	65
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	20
Asthma	36
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	7
Chronic Obstructive Pulmonary Disease	14
Diabetes	21
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2020 were skin testing, allergy testing, minimally invasive procedures and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1646
blood draw	12
doctor visit	262
immunotherapy	119
injections	119
minimally invasive procedures	1431
pulmonary testing	279
skin testing	1646

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	43
Female	97

**Age**
From 65 to 74	76
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2020

Hypertension	62
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	21
Asthma	37
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2021 were skin testing, minimally invasive procedures, allergy testing and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1423
doctor visit	270
minimally invasive procedures	1423
pulmonary testing	286
skin testing	1423

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	42
Female	102

**Age**
From 65 to 74	80
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2021

Hypertension	63
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	23
Asthma	40
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL during 2022 were skin testing, allergy testing, minimally invasive procedures and pulmonary testing.

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

allergy testing	1959
doctor visit	289
minimally invasive procedures	1717
pulmonary testing	285
skin testing	1959

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	47
Female	95

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

**Age**
From 65 to 74	76
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2022

Hypertension	72
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	15
Asthma	49
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William L. Davidson II, FCAAI, MD for Medicare patients.

The highest averages for the top procedures that Dr. William L. Davidson II, FCAAI, MD treated as an allergist in Daphne, AL were allergy testing, skin testing, minimally invasive procedures and pulmonary testing.

allergy testing	1929
blood draw	37
CT scan	19
doctor visit	286
immunotherapy	143
injections	143
minimally invasive procedures	1848
preventive care	20
pulmonary testing	274
skin testing	1929
thoracic (chest) imaging	35
vaccines	20
X-rays	35

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD.

**Gender**
Male	51
Female	107

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	108
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	44
85 and over	3
Less than 65	5
65 to 74	84

Average of Total of Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. William L. Davidson II, FCAAI, MD treated were hypertension, high cholesterol, asthma and ischemic heart disease.

Hypertension	58
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	16
Asthma	37
Osteoporosis	5
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	21
Atrial Fibrillation	6
Dementia	1
Cancer	7

Education & Training

Dr. William L. Davidson II, FCAAI, MD graduated from University of South Alabama College of Medicine in 2001. He has a state license in Alabama.

Medical School: University of South Alabama College of Medicine (2001)

Licensed In: Alabama

Affiliations & Hospitals

Dr. William L. Davidson II, FCAAI, MD is associated with these hospitals and organizations:

Infirmary Health

PULMONARY ASSOCIATES OF MOBILE PC

Thomas Hospital

Pulmonary Associates Of Mobile

Ratings & Reviews

Dr. William L. Davidson II, FCAAI, MD has an exceptional overall rating with an average of 4.89 out of 5 stars based on 361 ratings. We collect ratings and reviews of Dr. William L. Davidson II, FCAAI, MD from all over the web to help you find the right in Daphne, AL.

4.89

Overall Rating

(361 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. William L. Davidson II, FCAAI, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
GlaxoSmithKline, LLC.	$78,502 NUCALA $46,700	AREXVY $30,709	TRELEGY ELLIPTA $756	BREO $205	ARNUITY $86	Other $45
AstraZeneca Pharmaceuticals LP	$2,654 SYMBICORT $876	FASENRA $832	TEZSPIRE $352	BREZTRI $126	BEVESPI AEROSPHERE $46	Other $422
CSL Behring	$1,553 Haegarda $566	Hizentra $546	Zemaira $277	$165
Blueprint Medicines Corporation	$1,132 AYVAKIT $88	$1,044
Takeda Pharmaceuticals U.S.A., Inc.	$990 CUVITRU $722	TAKHZYRO $140	HYQVIA $54	$74
Other	$10,447 DUPIXENT $1,858	XOLAIR $957	Xhance $510	Auvi-Q $490	CUVITRU $454	Other $6,177

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$73,200
Food and Beverage	$18,389
Travel and Lodging	$2,015
Honoraria	$1,044
Education	$545
Other	$84

Biography

Dr. William Davidson's area of specialization is adult allergy & immunology. Dr. Davidson graduated from the University of South Alabama College of Medicine. Patient ratings for Dr. Davidson average 5.0 stars (out of 5). He is professionally affiliated with Infirmary Health.

Select Year:

Dr. William L. Davidson II, FCAAI, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William L. Davidson II, FCAAI, MD in 2023

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. William L. Davidson II, FCAAI, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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