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Home > NH Providers > Neurosurgeons

Dr. Michael Andrew Horgan, MD

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Specializes in: Neurosurgery

UMDNJ-Robert Wood Johnson Medical School

17 Prospect Street Suite N203
Nashua, NH 03060

(603) 577-2663

Dr. Michael Andrew Horgan, MD is a neurosurgeon in Nashua, NH specializing in neurosurgery. He graduated from UMDNJ-Robert Wood Johnson Medical School. Dr. Michael Andrew Horgan, MD is affiliated with Southern New Hampshire Health and Foundation Neurosurgery.

Office Locations

17 Prospect Street Suite N203
Nashua, NH 03060

(603) 577-2663

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Noteworthy Medicare Patient Procedures Performed by Dr. Michael Andrew Horgan, MD in 2024

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

Top 25%

By Volume:

decompressive lumbar laminectomy

laminectomy

laminectomy with foraminotomy and facetectomy

In 2012, Dr. Michael Andrew Horgan, MD performed more decompressive lumbar laminectomy, laminectomy, and laminectomy with foraminotomy and facetectomy procedures for Medicare patients than 75% of providers in related specialties within New Hampshire.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2012 were nerve procedures, decompression surgery, spinal procedures and hospital care.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

aspiration	11
bone marrow tests	11
decompression surgery	26
doctor visit	212
hospital care	22
inpatient care	22
nerve procedures	26
spinal procedures	26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2013 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	25
doctor visit	224
nerve procedures	25
spinal procedures	25

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	85
Female	110

**Age**
From 65 to 74	71
From 75 to 84	57
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2013

Hypertension	68
High Cholesterol	57
Stroke	12
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	13
Asthma	7
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2014 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	14
doctor visit	233
nerve procedures	14
spinal procedures	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	96
Female	118

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

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2014

Hypertension	65
High Cholesterol	52
Stroke	10
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	6
Atrial Fibrilation	7
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2015 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	11
doctor visit	136
nerve procedures	11
spinal procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	132
Female	142

**Age**
From 65 to 74	128
From 75 to 84	0
85 and over	0
Less than 65	70

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2015

Hypertension	70
High Cholesterol	58
Stroke	13
Ischemic Heart Disease	30
Depression	31
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2016

Hypertension	72
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2018 were spinal procedures, nerve procedures, decompression surgery and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
decompression surgery	39
doctor visit	196
nerve procedures	39
spinal procedures	68

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	70
Female	100

**Age**
From 65 to 74	72
From 75 to 84	49
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2018

Hypertension	70
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2019 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	14
doctor visit	197
nerve procedures	14
spinal procedures	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	85
Female	89

**Ethnicity**
Non-Hispanic White	162
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	56
85 and over	12
Less than 65	30

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	33
Depression	37
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2020 were spinal procedures, nerve procedures, decompression surgery and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	22
doctor visit	134
nerve procedures	22
spinal procedures	34

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	49
Female	69

**Age**
From 65 to 74	53
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	14
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

doctor visit	115

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	46
Female	73

**Age**
From 65 to 74	48
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2021

Hypertension	68
High Cholesterol	57
Stroke	9
Ischemic Heart Disease	29
Depression	36
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2022 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	13
doctor visit	96
nerve procedures	13
spinal procedures	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	46
Female	53

**Age**
From 65 to 74	35
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	22
Depression	31
Chronic Kidney Disease	15
Asthma	21
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2023 were nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

decompression surgery	21
doctor visit	170
nerve procedures	21
spinal procedures	21

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	59
Female	103

**Age**
From 65 to 74	64
From 75 to 84	63
85 and over	23
Less than 65	12

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2023

Hypertension	73
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	25
Depression	33
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	24
Atrial Fibrilation	20
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH during 2024 were spinal procedures, nerve procedures, decompression surgery and arthrodesis (bone fusion surgery).

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	17
doctor visit	199
nerve procedures	17
spinal procedures	29

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	60
Female	97

**Ethnicity**
Non-Hispanic White	142
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	61
85 and over	24
Less than 65	12

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2024

Hypertension	74
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	26
Depression	32
Chronic Kidney Disease	20
Asthma	20
Osteoperosis	21
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Michael Andrew Horgan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael Andrew Horgan, MD treated as a neurosurgeon in Nashua, NH were spinal procedures, hospital care, inpatient care and nerve procedures.

arthrodesis (bone fusion surgery)	11
aspiration	11
bone marrow tests	11
decompression surgery	20
doctor visit	173
hospital care	22
inpatient care	22
nerve procedures	20
spinal procedures	25

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Michael Andrew Horgan, MD.

**Gender**
Male	60
Female	79

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	25
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	38
85 and over	4
Less than 65	10
65 to 74	57

Average of Total of Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Michael Andrew Horgan, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	65
High Cholesterol	53
Stroke	10
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	17
Asthma	11
Osteoporosis	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Atrial Fibrillation	8
Dementia	6
Cancer	8

Education & Training

Dr. Michael Andrew Horgan, MD graduated from UMDNJ-Robert Wood Johnson Medical School. He completed residency at Oregon Health & Science University Affiliated Hospitals. He is certified by the Neurosurgery: American Board of Neurological Surg. (Neurological Surgery) and has a state license in New Hampshire.

Medical School: UMDNJ-Robert Wood Johnson Medical School

Residency: Oregon Health & Science University Affiliated Hospitals

Board Certification: Neurosurgery: American Board of Neurological Surg. (Neurological Surgery)

Licensed In: New Hampshire

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General Payments

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

**Payments by Company**
Lanx, Inc.	$543,286 Spinal Fusion Device $543,286
Spine Wave, Inc.	$11,887 Spinal Implants $9,663	Cervical, Pedicle Screw System, MIS Pedicle Screw System, XD Expandable Device,XDL Expandable Device $1,000	Posterior Fusion $492	Lateral Fusion $201	Fixation $151	Other $379
Stryker Corporation	$3,244 EVEREST Spinal System $913	OZARK CERVICAL PLATE SYSTEM $606	SACROILIAC JOINT FUSION SYSTEM $457	SERRATO $343	Tritanium $183	Other $743
Camber Spine Technologies	$1,600 Spira-V $1,600
Zimmer Biomet Holdings, Inc.	$1,480 Mobi C $1,480
Other	$3,513 Spinal Implant $996	Excelsius GPS $320	iFuse Implant $257	XIA 3 $184	Senza Spinal Cord Stimulation System $164	Other $1,592

**Types of Payments**
Current or prospective ownership or investment interest	$543,286
Consulting Fee	$10,400
Food and Beverage	$6,750
Travel and Lodging	$3,663
Education	$912

Ownership and Interest Payments

This table describes ownership payments received by Dr. Michael Andrew Horgan, MD.

Lanx, Inc.

2013

$543,286.47

Physician Covered Recipient

Stock

Biography

Dr. Michael Horgan specializes in neurosurgery and practices in Nashua, NH. Dr. Horgan obtained his medical school training at UMDNJ-Robert Wood Johnson Medical School and performed his residency at a hospital affiliated with Oregon Health & Science University. He is professionally affiliated with Southern New Hampshire Health.

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Dr. Michael Andrew Horgan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael Andrew Horgan, MD in 2024

By Volume:

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. Michael Andrew Horgan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2015

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2016

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael Andrew Horgan, 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. Michael Andrew Horgan, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

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