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Home > MS Providers > Family Physicians & Family Medicine Specialists

Dr. John Clayton Nelson Sr., MD

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Specializes in: Family Medicine and Emergency Medicine

6051 Highway 49
Hattiesburg, MS 39401

(601) 288-7000

Dr. John Clayton Nelson Sr., MD is a family medicine practitioner in Petal, MS specializing in family medicine and emergency medicine. Dr. John Clayton Nelson Sr., MD is affiliated with Baptist Memorial Health Care, Infirmary Health, Mobile Infirmary and Thomas Hospital.

Office Locations

1146 Evelyn Gandy Parkway
Petal, MS 39465

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6051 Highway 49
Hattiesburg, MS 39401

(601) 288-7000

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2012 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	71

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2013 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	35

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	19
Female	23

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	16

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2013

Hypertension	75
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	52
Depression	33
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2014 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	78

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	29
Female	55

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	21
From 75 to 84	18
85 and over	12
Less than 65	33

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	43
Dementia	20
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2015 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	92

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	90
Female	108

**Ethnicity**
Non-Hispanic White	122
Black	76
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	42
85 and over	36
Less than 65	56

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2015

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	59
Depression	38
Chronic Kidney Disease	47
Asthma	17
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	45
Chronic Obstructive Pulmonary Disease	33
Diabetes	51
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2016

Hypertension	75
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

2017 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2017 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	40

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	18
Female	33

**Ethnicity**
Non-Hispanic White	39
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	15
From 75 to 84	14
85 and over	11
Less than 65	11

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	67
Depression	45
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	0
Atrial Fibrilation	25
Heart Failure	35
Chronic Obstructive Pulmonary Disease	39
Diabetes	55
Dementia	33
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2018

Hypertension	75
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

2019 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2019 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	26

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	16
Female	15

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	68
Depression	61
Chronic Kidney Disease	71
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	55
Chronic Obstructive Pulmonary Disease	48
Diabetes	52
Dementia	45
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2020 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

doctor visit	52
emergency care	43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	50
Female	55

**Ethnicity**
Non-Hispanic White	91
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2020

Hypertension	73
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2021 were lab tests and blood draw.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

blood draw	36
doctor visit	193
lab tests	90

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	81
Female	101

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	51
85 and over	12
Less than 65	21

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2021

Hypertension	67
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2022 were blood draw, lab tests, preventive care and emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

blood draw	274
diabetes management	39
doctor visit	703
emergency care	71
lab tests	116
preventive care	78
vaccines	39

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	190
Female	259

**Ethnicity**
Non-Hispanic White	397
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	130
85 and over	60
Less than 65	52

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	11
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2023 were emergency care and blood draw.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

blood draw	51
doctor visit	107
emergency care	448

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	239
Female	320

**Ethnicity**
Non-Hispanic White	492
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	170
85 and over	109
Less than 65	92

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	43
Depression	36
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	29
Chronic Obstructive Pulmonary Disease	34
Diabetes	41
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS during 2024 were emergency care.

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

emergency care	392

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Male	169
Female	231

**Ethnicity**
Non-Hispanic White	364
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	143
85 and over	78
Less than 65	47

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	48
Depression	46
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	16
Atrial Fibrilation	29
Heart Failure	37
Chronic Obstructive Pulmonary Disease	43
Diabetes	43
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Clayton Nelson Sr., MD for Medicare patients.

The highest averages for the top procedures that Dr. John Clayton Nelson Sr., MD treated as a family medicine practitioner in Petal, MS were emergency care, blood draw, lab tests and preventive care.

blood draw	120
diabetes management	39
doctor visit	263
emergency care	129
lab tests	103
preventive care	78
vaccines	39

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Clayton Nelson Sr., MD.

**Gender**
Female	92
Male	69

**Ethnicity**
Black / African American	7
Asian / Pacific Islander	0
Non-Hispanic White	134
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	46
85 and over	24
Less than 65	25
65 to 74	60

Average of Total of Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	28
Asthma	5
Osteoporosis	3
Heart Failure	24
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Atrial Fibrillation	10
Dementia	14
Cancer	6

Education & Training

He has a state license in Mississippi.

Licensed In: Mississippi

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novo Nordisk Inc	$42 $42
Genentech USA, Inc.	$28 Xofluza $28
Pfizer Inc.	$24 ELIQUIS $24
BTG International, Inc.	$20 CROFAB $20
IBSA Pharma Inc.	$19 TIROSINT $19
Other	$55 ANDEXXA $28	XARELTO $14	Kcentra $13

**Types of Payments**
Food and Beverage	$188

Biography

Dr. John Nelson practices emergency medicine. Dr. Nelson is professionally affiliated with Infirmary Health.

Select Year:

Dr. John Clayton Nelson Sr., 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. John Clayton Nelson Sr., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2015

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2017

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Clayton Nelson Sr., 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. John Clayton Nelson Sr., MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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