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Home > TX Providers > Diagnostic Radiologists

Dr. Brian Thomas Callahan, MD

(No ratings)

Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

Harvard Medical School (2004)

2200 Bergquist Drive
Lackland AFB, TX 78236

(210) 292-2205

Dr. Brian Thomas Callahan, MD is a radiologist in Lackland AFB, TX specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from Harvard Medical School in 2004 and has 21 years of experience. Dr. Brian Thomas Callahan, MD is affiliated with UNIVERSITY OF MARYLAND COMMUNITY MEDICAL GROUP INC.

Office Locations

2200 Bergquist Drive
Lackland AFB, TX 78236

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Noteworthy Medicare Patient Procedures Performed by Dr. Brian Thomas Callahan, MD in 2023

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

Top 5%

By Volume:

abdominal paracentesis

aspiration procedures

catheterization

thoracentesis

tunneled central line placement

tunneled central line removal

By Affordability:

complete abdominal ultrasound

double-contrast upper GI series

joint X-ray

knee X-ray

leg X-ray

limited abdominal ultrasound

neck ultrasound

pelvis X-ray

rib X-ray

soft tissue ultrasound

thoracic imaging

tibia and fibula X-ray

upper gastrointestinal series

videofluoroscopic swallow study

In 2023, among providers in related specialties within Texas, Dr. Brian Thomas Callahan, MD performed more abdominal paracentesis (abdominal tap), aspiration procedures, catheterization, thoracentesis, tunneled central line placement, and tunneled central line removal procedures for Medicare patients than 95% of them and he also had a list price for abdominal CT scan, abdominal X-ray, chest CT scan, chest ultrasound, chest X-ray, complete abdominal ultrasound, double-contrast upper GI series, joint X-ray, knee X-ray, leg X-ray, limited abdominal ultrasound, neck ultrasound, pelvis X-ray, rib X-ray, soft tissue ultrasound, thoracic (chest) imaging, tibia and fibula (lower leg) X-ray, upper gastrointestinal (GI) series, and videofluoroscopic swallow study (modified barium swallow) that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Affordability:

abdominal paracentesis

arm X-ray

CT scan

head/brain CT scan

maxillofacial CT scan

paracentesis

retroperitoneal ultrasound

spine X-ray

thoracentesis

tunneled central line placement

In 2023, Dr. Brian Thomas Callahan, MD had a list price for abdominal paracentesis (abdominal tap), arm X-ray, CT scan, head/brain CT scan, maxillofacial (jaw/face) CT scan, paracentesis, retroperitoneal ultrasound, spine X-ray, thoracentesis, and tunneled central line placement that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

knee X-ray

By Affordability:

central line placement

liver biopsy

liver core needle biopsy

In 2013, among providers in related specialties within Texas, Dr. Brian Thomas Callahan, MD performed more knee X-ray procedures for Medicare patients than 75% of them and he also had a list price for central line placement, liver biopsy, liver core needle biopsy, liver needle biopsy, pelvic CT scan, pleural drainage, and spine imaging 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

2014 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	662
brain imaging (neuroimaging)	274
catheterization	56
CT scan	918
hip imaging	56
musculoskeletal imaging	216
neck imaging	11
pelvic imaging	413
spinal procedures	104
thoracic (chest) imaging	1429
ultrasound (sonogram)	321
vascular procedures	124
X-rays	1652

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1200
Female	1712

**Ethnicity**
Non-Hispanic White	2212
Black	588
Hispanic	56
Asian	19
Other	37
Native American	0

**Age**
From 65 to 74	1189
From 75 to 84	871
85 and over	371
Less than 65	481

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2014

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2014 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	42
Depression	23
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	26
Chronic Obstructive Pulmonary Disease	30
Diabetes	44
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2015 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	1550
aspiration	53
bone marrow tests	27
brain imaging (neuroimaging)	695
catheterization	90
CT scan	2106
device removal	15
diagnostic procedures	42
dialysis access procedures	12
hip imaging	139
image guided procedures	15
minimally invasive procedures	35
minor procedures	15
MRI (magnetic resonance imaging)	17
musculoskeletal imaging	439
pelvic imaging	820
pleural drainage	25
spinal procedures	261
thoracic (chest) imaging	3598
ultrasound (sonogram)	911
vascular procedures	411
X-rays	3989

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	4758
Female	6422

**Ethnicity**
Non-Hispanic White	8360
Black	2298
Hispanic	236
Asian	0
Other	170
Native American	0

**Age**
From 65 to 74	4460
From 75 to 84	3362
85 and over	1522
Less than 65	1836

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2015

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2015 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	39
Asthma	23
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2016 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	1408
aspiration	58
bone marrow tests	39
brain imaging (neuroimaging)	700
catheterization	97
CT scan	2060
device removal	18
diagnostic procedures	70
image guided procedures	13
minimally invasive procedures	31
minor procedures	31
MRI (magnetic resonance imaging)	48
musculoskeletal imaging	571
pelvic imaging	812
spinal procedures	275
thoracic (chest) imaging	3090
ultrasound (sonogram)	833
vascular procedures	490
X-rays	3506

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	2250
Female	3472

**Ethnicity**
Non-Hispanic White	4327
Black	1123
Hispanic	138
Asian	0
Other	84
Native American	0

**Age**
From 65 to 74	2325
From 75 to 84	1713
85 and over	783
Less than 65	901

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2016

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2016 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	45
Asthma	32
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	30
Diabetes	42
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2017 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	956
aspiration	86
bone marrow tests	26
brain imaging (neuroimaging)	436
catheterization	47
CT scan	1421
diagnostic procedures	40
image guided procedures	14
minimally invasive procedures	14
minor procedures	14
MRI (magnetic resonance imaging)	17
musculoskeletal imaging	581
pelvic imaging	582
pleural drainage	28
spinal procedures	183
thoracic (chest) imaging	2943
ultrasound (sonogram)	673
vascular procedures	435
X-rays	3395

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1959
Female	2989

**Ethnicity**
Non-Hispanic White	3763
Black	967
Hispanic	94
Asian	0
Other	79
Native American	0

**Age**
From 65 to 74	2002
From 75 to 84	1535
85 and over	644
Less than 65	767

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2017

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2017 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	46
Depression	27
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	30
Diabetes	42
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2018 were CT scan, abdominal imaging, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	1022
aspiration	108
brain imaging (neuroimaging)	456
catheterization	40
CT scan	1541
device removal	28
diagnostic procedures	40
image guided procedures	27
injections	22
minimally invasive procedures	51
minor procedures	40
MRI (magnetic resonance imaging)	13
musculoskeletal imaging	312
pelvic imaging	598
pleural drainage	30
spinal procedures	177
thoracic (chest) imaging	417
ultrasound (sonogram)	564
vascular procedures	292
X-rays	514

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	2114
Female	2845

**Ethnicity**
Non-Hispanic White	3806
Black	949
Hispanic	95
Asian	0
Other	67
Native American	0

**Age**
From 65 to 74	1884
From 75 to 84	1668
85 and over	739
Less than 65	668

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2018

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2018 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	47
Depression	29
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	32
Diabetes	43
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2019 were CT scan, X-rays, abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	442
aspiration	152
brain imaging (neuroimaging)	224
catheterization	120
CT scan	721
device removal	33
diagnostic procedures	29
gastrointestinal procedures	22
injections	25
minimally invasive procedures	29
minor procedures	29
musculoskeletal imaging	253
neck imaging	92
pelvic imaging	257
pleural drainage	56
preventive care	15
spinal procedures	131
thoracic (chest) imaging	233
ultrasound (sonogram)	218
vascular procedures	66
X-rays	477

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1267
Female	1652

**Ethnicity**
Non-Hispanic White	2341
Black	491
Hispanic	22
Asian	0
Other	49
Native American	0

**Age**
From 65 to 74	1079
From 75 to 84	1006
85 and over	452
Less than 65	382

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2019

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	19
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2020 were CT scan, abdominal imaging, X-rays and pelvic imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	381
aspiration	115
brain imaging (neuroimaging)	157
catheterization	127
CT scan	615
device removal	37
diagnostic procedures	37
gastrointestinal procedures	19
minimally invasive procedures	37
minor procedures	37
musculoskeletal imaging	189
neck imaging	83
pelvic imaging	240
pleural drainage	67
spinal procedures	78
thoracic (chest) imaging	206
ultrasound (sonogram)	169
vascular procedures	36
X-rays	318

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1042
Female	1305

**Ethnicity**
Non-Hispanic White	1862
Black	420
Hispanic	0
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	942
From 75 to 84	837
85 and over	293
Less than 65	275

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2020

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2021 were CT scan, abdominal imaging, brain imaging (neuroimaging) and pelvic imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	573
aspiration	93
brain imaging (neuroimaging)	434
catheterization	108
CT scan	1201
device removal	32
gastrointestinal procedures	37
musculoskeletal imaging	188
neck imaging	11
pelvic imaging	432
pleural drainage	43
spinal procedures	152
thoracic (chest) imaging	229
ultrasound (sonogram)	105
vascular procedures	15
X-rays	404

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1207
Female	1533

**Ethnicity**
Non-Hispanic White	2181
Black	477
Hispanic	16
Asian	0
Other	48
Native American	0

**Age**
From 65 to 74	993
From 75 to 84	921
85 and over	470
Less than 65	356

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2021

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2021 were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	48
Depression	31
Chronic Kidney Disease	47
Asthma	13
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2022 were CT scan, abdominal imaging, pelvic imaging and thoracic (chest) imaging.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	852
aspiration	169
brain imaging (neuroimaging)	188
catheterization	96
CT scan	1414
device removal	39
diagnostic procedures	25
gastrointestinal procedures	21
image guided procedures	16
lymph node procedures	11
minimally invasive procedures	41
minor procedures	25
musculoskeletal imaging	195
neck imaging	94
pelvic imaging	607
pleural drainage	64
spinal procedures	134
thoracic (chest) imaging	583
ultrasound (sonogram)	376
women's imaging	16
X-rays	453

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1653
Female	2175

**Ethnicity**
Non-Hispanic White	3109
Black	587
Hispanic	32
Asian	11
Other	89
Native American	0

**Age**
From 65 to 74	1493
From 75 to 84	1359
85 and over	553
Less than 65	423

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2022

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	31
Asthma	14
Osteoperosis	17
Atrial Fibrilation	25
Heart Failure	22
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX during 2023 were CT scan, abdominal imaging, X-rays and aspiration.

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

abdominal imaging	304
aspiration	245
brain imaging (neuroimaging)	130
catheterization	107
CT scan	496
device removal	43
diagnostic procedures	12
gastrointestinal procedures	12
minimally invasive procedures	12
minor procedures	12
musculoskeletal imaging	154
neck imaging	16
pelvic imaging	226
pleural drainage	98
spinal procedures	51
thoracic (chest) imaging	153
ultrasound (sonogram)	106
X-rays	292

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1007
Female	1328

**Ethnicity**
Non-Hispanic White	1901
Black	359
Hispanic	0
Asian	0
Other	46
Native American	0

**Age**
From 65 to 74	839
From 75 to 84	872
85 and over	372
Less than 65	252

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2023

The most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated during 2023 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	34
Asthma	15
Osteoperosis	17
Atrial Fibrilation	29
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	14
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Volume of procedures performed by Dr. Brian Thomas Callahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Brian Thomas Callahan, MD treated as a radiologist in Lackland AFB, TX were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

abdominal imaging	815
aspiration	119
bone marrow tests	30
brain imaging (neuroimaging)	369
catheterization	88
CT scan	1249
device removal	30
diagnostic procedures	36
dialysis access procedures	12
gastrointestinal procedures	22
hip imaging	97
image guided procedures	17
injections	23
lymph node procedures	11
minimally invasive procedures	31
minor procedures	25
MRI (magnetic resonance imaging)	23
musculoskeletal imaging	309
neck imaging	51
pelvic imaging	498
pleural drainage	51
preventive care	15
spinal procedures	154
thoracic (chest) imaging	1288
ultrasound (sonogram)	427
vascular procedures	233
women's imaging	16
X-rays	1500

Average Medicare Patient Data From 2014 - 2023

Information about Medicare patients treated by Dr. Brian Thomas Callahan, MD.

**Gender**
Male	1845
Female	2543

**Ethnicity**
Black / African American	825
Asian / Pacific Islander	3
Non-Hispanic White	3386
Native American / Alaskan Native	0
Hispanic	68
Other	70

**Age**
75 to 84	1414
85 and over	619
Less than 65	634
65 to 74	1720

Average of Total of Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD From 2014 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Brian Thomas Callahan, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	42
Depression	27
Chronic Kidney Disease	42
Asthma	15
Osteoporosis	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Atrial Fibrillation	20
Cancer	17
Dementia	16

Education & Training

Dr. Brian Thomas Callahan, MD graduated from Harvard Medical School in 2004. He has a state license in Massachusetts.

Medical School: Harvard Medical School (2004)

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Brian Thomas Callahan, MD is associated with these hospitals and organizations:

UNIVERSITY OF MARYLAND COMMUNITY MEDICAL GROUP INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Bard Peripheral Vascular, Inc.	$302 Lutonix Drug Coated Balloon $18	$284
Covidien LP	$40 Neurovascular Stents $24	Flow Diversion $17
GE Healthcare	$31 $31

**Types of Payments**
Food and Beverage	$373

Biography

Dr. Brian Callahan is a physician who specializes in interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. He attended medical school at Harvard Medical School.

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Dr. Brian Thomas Callahan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Brian Thomas Callahan, MD in 2023

By Volume:

By Affordability:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2014 - 2023

Average Medicare Patient Data From 2014 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Brian Thomas Callahan, MD From 2014 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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