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Home > MS Providers > Neurosurgeons

Dr. John L. Moriarity, MD

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Specializes in: Neurosurgery

Stanford University School of Medicine

2470 Flowood Drive
Flowood, MS 39232

1-877-554-4257

Dr. John L. Moriarity, MD is a neurosurgeon in Flowood, MS specializing in neurosurgery. He graduated from Stanford University School of Medicine. Dr. John L. Moriarity, MD is affiliated with Merit Health.

Office Locations

2470 Flowood Drive
Flowood, MS 39232

1-877-554-4257

(601) 983-2845

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Noteworthy Medicare Patient Procedures Performed by Dr. John L. Moriarity, MD in 2023

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

Top 5%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2023, Dr. John L. Moriarity, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Mississippi. 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:

metabolic panel

In 2023, Dr. John L. Moriarity, MD had a list price for metabolic panel that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Mississippi. 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 Affordability:

blood tests

complete blood count

lab tests

In 2012, Dr. John L. Moriarity, MD had a list price for blood tests, complete blood count (CBC), and lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Mississippi. 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. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2012 were spinal procedures, blood draw, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	14
blood draw	38
decompression surgery	31
doctor visit	521
neck surgery	14
nerve procedures	31
spinal procedures	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2013 were spinal procedures, nerve procedures, decompression surgery and blood draw.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
blood draw	18
decompression surgery	33
doctor visit	235
neck surgery	11
nerve procedures	33
spinal procedures	44

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	101
Female	110

**Ethnicity**
Non-Hispanic White	177
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	64
85 and over	12
Less than 65	26

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2013

Hypertension	72
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	13
Asthma	0
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2014 were spinal procedures, nerve procedures, decompression surgery and blood draw.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
blood draw	20
decompression surgery	34
doctor visit	159
neck surgery	12
nerve procedures	34
spinal procedures	46

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	68
Female	64

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2014

Hypertension	69
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	8
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2015 were spinal procedures, blood draw, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	13
blood draw	33
decompression surgery	32
doctor visit	134
neck surgery	13
nerve procedures	32
spinal procedures	43

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	118
Female	140

**Ethnicity**
Non-Hispanic White	220
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	70
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2015

Hypertension	71
High Cholesterol	47
Stroke	9
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2016 were blood draw, nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

blood draw	24
decompression surgery	12
doctor visit	151
nerve procedures	12
spinal procedures	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	72
Female	56

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2016

Hypertension	70
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2017 were nerve procedures, decompression surgery, spinal procedures and blood draw.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

blood draw	20
decompression surgery	21
doctor visit	157
nerve procedures	21
spinal procedures	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	80
Female	60

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	0
85 and over	0
Less than 65	25

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2017

Hypertension	72
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2018 were nerve procedures, decompression surgery, spinal procedures and blood draw.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
blood draw	13
decompression surgery	28
doctor visit	115
neck surgery	12
nerve procedures	28
spinal procedures	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	50
Female	66

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

**Age**
From 65 to 74	73
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2018

Hypertension	75
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2019 were blood draw, nerve procedures, decompression surgery and spinal procedures.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
blood draw	26
decompression surgery	24
doctor visit	101
neck surgery	11
nerve procedures	24
spinal procedures	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	53
Female	46

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

**Age**
From 65 to 74	59
From 75 to 84	26
85 and over	0
Less than 65	14

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2019

Hypertension	68
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2020 were blood draw, spinal procedures, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
blood draw	28
decompression surgery	11
doctor visit	86
neck surgery	11
nerve procedures	11
spinal procedures	23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	48
Female	42

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2020

Hypertension	69
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	27
Depression	23
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2021 were lab tests, blood draw, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	11
blood draw	43
decompression surgery	28
doctor visit	150
lab tests	73
neck surgery	11
nerve procedures	28
spinal procedures	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	63
Female	60

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2021

Hypertension	70
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS during 2022 were spinal procedures, lab tests, blood draw and nerve procedures.

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

arthrodesis (bone fusion surgery)	16
blood draw	17
decompression surgery	16
doctor visit	137
lab tests	30
neck surgery	16
nerve procedures	16
spinal procedures	32

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	54
Female	70

**Ethnicity**
Non-Hispanic White	110
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John L. Moriarity, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	10
Asthma	0
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	0
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John L. Moriarity, MD for Medicare patients.

The highest averages for the top procedures that Dr. John L. Moriarity, MD treated as a neurosurgeon in Flowood, MS were lab tests, spinal procedures, blood draw and nerve procedures.

arthrodesis (bone fusion surgery)	12
blood draw	25
decompression surgery	24
doctor visit	176
lab tests	51
neck surgery	12
nerve procedures	24
spinal procedures	31

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John L. Moriarity, MD.

**Gender**
Male	64
Female	64

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	107
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	29
85 and over	1
Less than 65	5
65 to 74	75

Average of Total of Conditions of Medicare patients treated by Dr. John L. Moriarity, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John L. Moriarity, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	64
High Cholesterol	44
Stroke	1
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	15
Asthma	2
Osteoporosis	2
Heart Failure	6
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Atrial Fibrillation	2
Dementia	0
Cancer	4

Education & Training

Dr. John L. Moriarity, MD graduated from Stanford University School of Medicine. He completed residency at Johns Hopkins University Affiliated Hospitals. He is certified by the American Board of Neurological Surgery Surgery - Neurological and has a state license in Mississippi.

Medical School: Stanford University School of Medicine

Residency: Johns Hopkins University Affiliated Hospitals

Board Certification: American Board of Neurological Surgery Surgery - Neurological

Licensed In: Mississippi

Affiliations & Hospitals

Dr. John L. Moriarity, MD is associated with these hospitals and organizations:

Merit Health

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General Payments

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

**Payments by Company**
Zavation LLC	$124 Z-DIRECT SCREW $124
Amedica Corporation	$42 VALEO INTERBODY $42
Centinel Spine, LLC	$26 PRODISC L $26
Ethicon US, LLC	$22 Advanced Wound care $22
Medtronic USA, Inc.	$14 PlasmaBlade $14
Other	$27 MEDLINE INDUSTRIES, INC. $14	Anesthesia Epidural Trays $13

**Types of Payments**
Travel and Lodging	$124
Food and Beverage	$117
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$14

Biography

Dr. John Moriarity practices neurosurgery in Flowood, MS. He is professionally affiliated with Merit Health. He graduated from Stanford University School of Medicine and then he performed his residency at a hospital affiliated with Johns Hopkins University.