Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > AZ Providers > Neurosurgeons

Dr. Brian P. Callahan, MD

(28 Ratings)

Specializes in: Neurosurgery

2450 E River Road
Tucson, AZ 85718

(520) 795-7750

Dr. Brian P. Callahan, MD is a neurosurgeon in Tucson, AZ specializing in neurosurgery. Dr. Brian P. Callahan, MD is affiliated with TMC Health and Center for Neurosciences.

Office Locations

2450 E River Road
Tucson, AZ 85718

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2012 were spinal procedures, hospital care, inpatient care and neurostimulator replacement.

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

arthrodesis (bone fusion surgery)	12
decompression surgery	18
doctor visit	149
hospital care	92
implant surgery	26
inpatient care	92
nerve procedures	18
neurostimulator lead placement	23
neurostimulator replacement	26
spinal procedures	111
X-rays	18

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2013 were spinal procedures, hospital care, inpatient care and nerve procedures.

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

arthrodesis (bone fusion surgery)	11
decompression surgery	19
doctor visit	145
hospital care	32
implant surgery	16
inpatient care	32
nerve procedures	19
neurostimulator lead placement	13
neurostimulator replacement	16
spinal procedures	89
X-rays	17

2013 Medicare Patient Data

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

**Gender**
Male	84
Female	101

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	55
85 and over	27
Less than 65	28

Conditions of Medicare patients treated by Dr. Brian P. Callahan, MD in 2013

Hypertension	72
High Cholesterol	59
Stroke	14
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2014 were spinal procedures, nerve procedures, hospital care and decompression surgery.

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

arthrodesis (bone fusion surgery)	23
decompression surgery	27
doctor visit	179
hospital care	27
implant surgery	14
inpatient care	27
nerve procedures	27
neurostimulator lead placement	11
neurostimulator replacement	14
spinal procedures	126
X-rays	20

2014 Medicare Patient Data

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

**Gender**
Male	97
Female	107

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	46
85 and over	20
Less than 65	41

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

Hypertension	69
High Cholesterol	52
Stroke	13
Ischemic Heart Disease	29
Depression	33
Chronic Kidney Disease	23
Asthma	16
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2015 were spinal procedures, X-rays, nerve procedures and decompression surgery.

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

arthrodesis (bone fusion surgery)	13
decompression surgery	22
doctor visit	212
hospital care	20
implant surgery	20
inpatient care	20
MRI (magnetic resonance imaging)	12
nerve procedures	22
neurostimulator lead placement	20
neurostimulator replacement	20
spinal procedures	163
X-rays	47

2015 Medicare Patient Data

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

**Gender**
Male	244
Female	246

**Ethnicity**
Non-Hispanic White	400
Black	0
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	130
85 and over	32
Less than 65	96

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

Hypertension	66
High Cholesterol	49
Stroke	9
Ischemic Heart Disease	31
Depression	33
Chronic Kidney Disease	22
Asthma	19
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	21
Diabetes	26
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2016 were spinal procedures, X-rays, nerve procedures and decompression surgery.

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

arthrodesis (bone fusion surgery)	17
decompression surgery	25
doctor visit	236
hospital care	18
implant surgery	11
inpatient care	18
MRI (magnetic resonance imaging)	13
nerve procedures	25
neurostimulator lead placement	11
neurostimulator replacement	11
spinal procedures	141
X-rays	34

2016 Medicare Patient Data

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

**Gender**
Male	107
Female	130

**Ethnicity**
Non-Hispanic White	199
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	74
85 and over	24
Less than 65	37

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

Hypertension	74
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	30
Asthma	17
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2017 were spinal procedures, hospital care, inpatient care and X-rays.

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

decompression surgery	17
doctor visit	200
hospital care	21
implant surgery	15
inpatient care	21
MRI (magnetic resonance imaging)	11
nerve procedures	17
neurostimulator lead placement	15
neurostimulator replacement	15
spinal procedures	92
X-rays	18

2017 Medicare Patient Data

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

**Gender**
Male	97
Female	115

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	60
85 and over	23
Less than 65	32

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

Hypertension	64
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2018 were spinal procedures, hospital care, inpatient care and X-rays.

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

arthrodesis (bone fusion surgery)	11
decompression surgery	19
doctor visit	207
hospital care	37
implant surgery	12
inpatient care	37
nerve procedures	19
neurostimulator lead placement	12
neurostimulator replacement	12
spinal procedures	96
X-rays	25

2018 Medicare Patient Data

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

**Gender**
Male	112
Female	114

**Ethnicity**
Non-Hispanic White	190
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	63
85 and over	27
Less than 65	25

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

Hypertension	68
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2019 were spinal procedures, hospital care, inpatient care and neurostimulator replacement.

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

decompression surgery	19
doctor visit	182
hospital care	31
implant surgery	26
inpatient care	31
nerve procedures	19
neurostimulator lead placement	24
neurostimulator replacement	26
spinal procedures	111
X-rays	18

2019 Medicare Patient Data

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

**Gender**
Male	103
Female	121

**Ethnicity**
Non-Hispanic White	179
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	77
85 and over	26
Less than 65	30

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

Hypertension	72
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	34
Depression	35
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2020 were spinal procedures, X-rays, hospital care and inpatient care.

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

decompression surgery	16
doctor visit	181
hospital care	19
implant surgery	15
inpatient care	19
nerve procedures	16
neurostimulator replacement	15
spinal procedures	77
X-rays	35

2020 Medicare Patient Data

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

**Gender**
Male	94
Female	105

**Ethnicity**
Non-Hispanic White	163
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	67
85 and over	18
Less than 65	22

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

Hypertension	70
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	39
Depression	32
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2021 were spinal procedures, hospital care, inpatient care and neurostimulator replacement.

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

decompression surgery	12
doctor visit	214
hospital care	30
implant surgery	25
inpatient care	30
nerve procedures	12
neurostimulator lead placement	15
neurostimulator replacement	25
spinal procedures	93
X-rays	23

2021 Medicare Patient Data

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

**Gender**
Male	104
Female	125

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	83
85 and over	20
Less than 65	29

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

Hypertension	68
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	38
Depression	38
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	18
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2022 were hospital care, inpatient care, spinal procedures and neurostimulator replacement.

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

brain imaging (neuroimaging)	17
CT scan	17
decompression surgery	14
doctor visit	303
hospital care	95
implant surgery	22
inpatient care	95
nerve procedures	14
neurostimulator lead placement	12
neurostimulator replacement	22
spinal procedures	92
X-rays	20

2022 Medicare Patient Data

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

**Gender**
Male	151
Female	172

**Ethnicity**
Non-Hispanic White	264
Black	0
Hispanic	28
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	121
85 and over	36
Less than 65	26

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

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	27
Depression	33
Chronic Kidney Disease	25
Asthma	15
Osteoperosis	20
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2023 were hospital care, inpatient care, spinal procedures and X-rays.

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

brain imaging (neuroimaging)	20
CT scan	20
doctor visit	275
hospital care	66
implant surgery	11
inpatient care	66
neurostimulator replacement	11
spinal procedures	47
X-rays	23

2023 Medicare Patient Data

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

**Gender**
Male	147
Female	149

**Ethnicity**
Non-Hispanic White	258
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	130
85 and over	28
Less than 65	16

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

Hypertension	71
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	28
Depression	32
Chronic Kidney Disease	24
Asthma	17
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ during 2024 were spinal procedures, X-rays, hospital care and inpatient care.

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

arthrodesis (bone fusion surgery)	11
brain imaging (neuroimaging)	27
CT scan	27
doctor visit	265
hospital care	75
implant surgery	12
inpatient care	75
neck surgery	11
neurostimulator replacement	12
spinal procedures	133
X-rays	81

2024 Medicare Patient Data

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

**Gender**
Male	154
Female	165

**Ethnicity**
Non-Hispanic White	275
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	129
85 and over	30
Less than 65	13

Conditions of Medicare patients treated by Dr. Brian P. Callahan, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	27
Depression	33
Chronic Kidney Disease	24
Asthma	15
Osteoperosis	22
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

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

The highest averages for the top procedures that Dr. Brian P. Callahan, MD treated as a neurosurgeon in Tucson, AZ were spinal procedures, inpatient care, hospital care and X-rays.

arthrodesis (bone fusion surgery)	14
brain imaging (neuroimaging)	21
CT scan	21
decompression surgery	18
doctor visit	211
hospital care	43
implant surgery	17
inpatient care	43
MRI (magnetic resonance imaging)	12
neck surgery	11
nerve procedures	18
neurostimulator lead placement	15
neurostimulator replacement	17
spinal procedures	105
X-rays	29

Average Medicare Patient Data From 2012 - 2024

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

**Gender**
Female	126
Male	114

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	201
Native American / Alaskan Native	0
Hispanic	21
Other	0

**Age**
75 to 84	79
85 and over	23
Less than 65	30
65 to 74	107

Average of Total of Conditions of Medicare patients treated by Dr. Brian P. Callahan, MD From 2012 - 2024

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

Hypertension	64
High Cholesterol	57
Stroke	11
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	26
Asthma	12
Osteoporosis	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Atrial Fibrillation	12
Dementia	11
Cancer	12

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

Dr. Brian P. Callahan, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 28 ratings. We collect ratings and reviews of Dr. Brian P. Callahan, MD from all over the web to help you find the right in Tucson, AZ.

Overall Rating

(28 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Boston Scientific Corporation	$1,493 PAIN MANAGEMENT $683	SPECTRA SYSTEM $204	ARTISAN $170	32 CONTACT $110	SPECTRA WAVEWRITER $105	Other $220
DePuy Synthes Sales Inc.	$140 Vertebral Body Augmentation $60	Spine $54	CERTAS $15	Neurosurgery $11
AbbVie Inc.	$78 BOTOX $60	QULIPTA $18
UCB, Inc.	$54 Rystiggo $19	Briviact $18	Neupro $17
Servier Pharmaceuticals LLC	$52 Voranigo $52
Other	$337 VYVGART HYTRULO $44	XARTEMIS XR $40	Leqembi $36	Proclaim Family of SCS IPGs $23	SCS IPGs $21	Other $172

**Types of Payments**
Food and Beverage	$2,154

Ownership and Interest Payments

This table describes ownership payments received by Dr. Brian P. Callahan, MD.

Synapse Surgical LLC	2025	$224,578.70	Physician Covered Recipient	VALUE OF INTEREST IS CALCULATED AS THE CARRYING VALUE OF THE ASSETS AT YEAR END - CASH, A/R, INVENTORY, OTHER RECEVIABLES.
Synapse Surgical LLC	2023	$220,936.00	Physician Covered Recipient	VALUE OF INTEREST IS CALCULATED AS THE CARRYING VALUE OF THE ASSETS AT YEAR END.
Synapse Surgical LLC	2021	$184,521.00	Physician Covered Recipient	VALUE OF INTEREST IS CALCULATED AS THE CARRYING VALUE OF THE ASSETS AT YEAR END.
Synapse Surgical LLC	2020	$167,158.00	Physician Covered Recipient	VALUE OF INTEREST IS CALCULATED AS THE CARRYING VALUE OF THE ASSETS AT YEAR END.
Synapse Surgical LLC	2018	$148,406.82	Physician Covered Recipient	Investment value is residual value of entity at year end.
Synapse Surgical LLC	2017	$146,667.00	Physician Covered Recipient	LLC Membership Interest
Synapse Surgical LLC	2019	$144,518.88	Physician Covered Recipient	Investment value is residual value of entity at year end.
Synapse Surgical LLC	2016	$110,025.00	Physician Covered Recipient	LLC Membership Interest

Biography

Dr. Brian Callahan is a neurosurgery specialist. He is professionally affiliated with TMC Health. He is rated 5.0 stars (out of 5) by his patients.

Select Year:

Dr. Brian P. Callahan, MD

Office Locations

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. Brian P. Callahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Brian P. Callahan, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Brian P. Callahan, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

Neurosurgeons in Nearby Locations

Other Providers in Tucson, AZ