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Dr. William James Calhoun, MD

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Specializes in: Adult Pulmonology and Adult Allergy & Immunology

301 University Boulevard
Galveston, TX 77555

(409) 772-2222

Dr. William James Calhoun, MD is a pulmonologist in Galveston, TX specializing in adult pulmonology and adult allergy & immunology.

Office Locations

301 University Boulevard
Galveston, TX 77555

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In The News (see more mentions in the news)

“You wouldn't say there is a spectrum of pulmonary edema," said William Calhoun, MD, of the University of Texas at Galveston, from the audience.”—"Concept of 'Asthma-COPD Overlap' Still Alive Despite Detractors", MedPage Today, October 2023

“He is survived, in addition to his wife, by four children; Karen, wife of Dr. William Calhoun of League City, TX, Linda, wife of George Trago of Kinzers, Donna Ross of Coatesville and John B. Ross...”—"John Ross", Daily Local News, August 2020

“"The discovery that these two courses of treatment do not differ significantly could eventually change the way doctors and patients manage asthma, providing an option that is easier to follow and...”—"Daily dose of inhaled steroids may not be necessary in mild-to-moderate asthma", Fox News, March 2015

Noteworthy Medicare Patient Procedures Performed by Dr. William James Calhoun, 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

pulmonary function test

pulmonary testing

In 2023, Dr. William James Calhoun, MD had a list price for lung diffusion capacity test (DLCO), lung volume test, pulmonary function test (PFT), and pulmonary testing that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Texas. 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. William James Calhoun, MD for Medicare patients.

doctor visit	122

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2013 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	106
pulmonary testing	126

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	78
Female	90

**Ethnicity**
Non-Hispanic White	114
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	39
85 and over	16
Less than 65	46

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	38
Asthma	25
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	43
Chronic Obstructive Pulmonary Disease	57
Diabetes	38
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2014 were pulmonary testing, hospital care and inpatient care.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	125
hospital care	31
inpatient care	31
pulmonary testing	88

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	63
Female	101

**Ethnicity**
Non-Hispanic White	108
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2014

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	52
Depression	30
Chronic Kidney Disease	36
Asthma	21
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	43
Chronic Obstructive Pulmonary Disease	57
Diabetes	34
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2015 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	138
pulmonary testing	148

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	128
Female	202

**Ethnicity**
Non-Hispanic White	234
Black	68
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	112
85 and over	30
Less than 65	68

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2015

Hypertension	75
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	38
Asthma	38
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	39
Chronic Obstructive Pulmonary Disease	59
Diabetes	35
Dementia	8
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2016 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	108
pulmonary testing	215

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	103
Female	118

**Ethnicity**
Non-Hispanic White	151
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	63
85 and over	18
Less than 65	36

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2016

Hypertension	75
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	45
Depression	33
Chronic Kidney Disease	42
Asthma	58
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	44
Chronic Obstructive Pulmonary Disease	53
Diabetes	32
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2017 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	133
pulmonary testing	247

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	102
Female	133

**Ethnicity**
Non-Hispanic White	163
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	57
85 and over	26
Less than 65	33

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2017

Hypertension	75
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	50
Depression	32
Chronic Kidney Disease	37
Asthma	20
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	39
Chronic Obstructive Pulmonary Disease	46
Diabetes	35
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2018 were pulmonary testing, hospital care and inpatient care.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	114
hospital care	56
inpatient care	56
pulmonary testing	72

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	85
Female	87

**Ethnicity**
Non-Hispanic White	115
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	42
85 and over	22
Less than 65	26

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2018

Hypertension	75
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	49
Depression	27
Chronic Kidney Disease	41
Asthma	19
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	41
Chronic Obstructive Pulmonary Disease	46
Diabetes	33
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2019 were pulmonary testing, hospital care and inpatient care.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	115
hospital care	20
inpatient care	20
pulmonary testing	154

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	86
Female	120

**Ethnicity**
Non-Hispanic White	146
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	65
85 and over	24
Less than 65	27

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2019

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	48
Depression	29
Chronic Kidney Disease	43
Asthma	23
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	44
Chronic Obstructive Pulmonary Disease	51
Diabetes	35
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2020 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	91
pulmonary testing	210

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	114
Female	142

**Ethnicity**
Non-Hispanic White	174
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	71
85 and over	23
Less than 65	50

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2020

Hypertension	75
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	48
Depression	30
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	41
Chronic Obstructive Pulmonary Disease	44
Diabetes	33
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2021 were pulmonary testing, hospital care and inpatient care.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	86
hospital care	59
inpatient care	59
pulmonary testing	307

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	138
Female	174

**Ethnicity**
Non-Hispanic White	222
Black	48
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	87
85 and over	36
Less than 65	40

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2021

Hypertension	75
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	50
Depression	29
Chronic Kidney Disease	41
Asthma	14
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	39
Chronic Obstructive Pulmonary Disease	44
Diabetes	38
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2022 were pulmonary testing, hospital care and inpatient care.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	83
hospital care	46
inpatient care	46
pulmonary testing	242

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	111
Female	155

**Ethnicity**
Non-Hispanic White	201
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	94
85 and over	22
Less than 65	21

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	35
Depression	28
Chronic Kidney Disease	29
Asthma	20
Osteoperosis	20
Atrial Fibrilation	22
Heart Failure	32
Chronic Obstructive Pulmonary Disease	47
Diabetes	33
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX during 2023 were pulmonary testing.

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

doctor visit	54
pulmonary testing	169

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	87
Female	97

**Ethnicity**
Non-Hispanic White	147
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	61
85 and over	19
Less than 65	21

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	47
Depression	24
Chronic Kidney Disease	25
Asthma	21
Osteoperosis	18
Atrial Fibrilation	25
Heart Failure	41
Chronic Obstructive Pulmonary Disease	54
Diabetes	35
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. William James Calhoun, MD for Medicare patients.

The highest averages for the top procedures that Dr. William James Calhoun, MD treated as a pulmonologist in Galveston, TX were pulmonary testing, hospital care and inpatient care.

doctor visit	106
hospital care	42
inpatient care	42
pulmonary testing	179

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. William James Calhoun, MD.

**Gender**
Male	91
Female	118

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	0
Non-Hispanic White	147
Hispanic	3
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	61
85 and over	19
Less than 65	30
65 to 74	93

Average of Total of Conditions of Medicare patients treated by Dr. William James Calhoun, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. William James Calhoun, MD treated were hypertension, high cholesterol, chronic obstructive pulmonary disease and ischemic heart disease.

Hypertension	68
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	43
Depression	26
Chronic Kidney Disease	34
Asthma	23
Osteoporosis	11
Heart Failure	37
Chronic Obstructive Pulmonary Disease	46
Diabetes	31
Atrial Fibrillation	15
Cancer	13
Dementia	8

Education & Training

He has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

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General Payments

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

**Payments by Company**
GENZYME CORPORATION	$300,684 DUPIXENT $135,867	$164,817
Genentech USA, Inc.	$274,962 XOLAIR $110,476	$164,486
Regeneron Healthcare Solutions, Inc.	$98,238 DUPIXENT $16,937	DUPIXENT DUPILUMAB INJECTION $8,537	$72,764
AstraZeneca Pharmaceuticals LP	$22,969 FASENRA $19,847	TEZSPIRE $109	SYMBICORT $18	BREZTRI $15	$2,979
Acorda Therapeutics, Inc	$18,344 $18,344
Other	$137,299 XOLAIR $25,789	KALYDECO $13,712	DUPIXENT DUPILUMAB INJECTION $11,168	SOLIQUA $10,934	RESLIZUMAB $8,115	Other $67,581

**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	$518,143
Consulting Fee	$183,863
Travel and Lodging	$127,181
Food and Beverage	$18,152
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$4,924
Other	$233

Research Payments

Dr. William James Calhoun, MD has received 81 research payments totaling $695,010.

Biography

Dr. William Calhoun practices adult allergy & immunology and adult pulmonology in Galveston, TX. Dr. Calhoun is professionally affiliated with UTMB Faculty Group Practice. He attended medical school at Penn State College of Medicine.

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Dr. William James Calhoun, MD

Office Locations

In The News (see more mentions in the news)

Noteworthy Medicare Patient Procedures Performed by Dr. William James Calhoun, MD in 2023

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 James Calhoun, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William James Calhoun, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. William James Calhoun, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Galveston, TX