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Dr. John Alexander Johnson, MD

(No ratings)

Specializes in: Internal Medicine (Adult Medicine) and Hospital Medicine (Hospitalist)

6128 Prestley Mill Road Suite G
Douglasville, GA 30134

(770) 942-6903

Dr. John Alexander Johnson, MD is an internist in Seneca, SC specializing in internal medicine (adult medicine) and hospital medicine (hospitalist).

Office Locations

298 Memorial Drive
Seneca, SC 29672

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6128 Prestley Mill Road Suite G
Douglasville, GA 30134

(770) 942-6903

(770) 942-6908

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Noteworthy Medicare Patient Procedures Performed by Dr. John Alexander Johnson, MD in 2023

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. John Alexander Johnson, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within South Carolina. 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 Alexander Johnson, MD treated as an internist in Seneca, SC during 2012 were lab tests and blood draw.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	465
doctor visit	854
lab tests	779

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2013 were lab tests, skin testing, minimally invasive procedures and allergy testing.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

allergy testing	484
blood draw	476
doctor visit	879
lab tests	787
minimally invasive procedures	484
skin testing	484

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	120
Female	133

**Ethnicity**
Non-Hispanic White	0
Black	157
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	48
85 and over	12
Less than 65	69

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	21
Depression	10
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	6
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	50
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2014 were lab tests and blood draw.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	511
doctor visit	939
lab tests	761

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	135
Female	148

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

**Age**
From 65 to 74	140
From 75 to 84	0
85 and over	0
Less than 65	81

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2014

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	29
Asthma	5
Osteoperosis	0
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	43
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2015 were lab tests, blood draw, hospital care and inpatient care.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	553
breathing treatment	18
doctor visit	991
hospital care	64
inpatient care	64
lab tests	890

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	334
Female	412

**Ethnicity**
Non-Hispanic White	282
Black	438
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	150
85 and over	54
Less than 65	184

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	3
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	43
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2016 were lab tests, blood draw and breathing treatment.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	473
breathing treatment	11
doctor visit	803
lab tests	657

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	141
Female	157

**Ethnicity**
Non-Hispanic White	98
Black	185
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	55
85 and over	15
Less than 65	74

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2016

Hypertension	75
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	23
Depression	11
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	0
Atrial Fibrilation	4
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	42
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2017 were lab tests, blood draw, vascular procedures and rehabilitation.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	402
doctor visit	736
lab tests	561
rehabilitation	39
vascular procedures	78

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	123
Female	136

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

**Age**
From 65 to 74	142
From 75 to 84	46
85 and over	12
Less than 65	59

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	20
Depression	11
Chronic Kidney Disease	50
Asthma	4
Osteoperosis	0
Atrial Fibrilation	5
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	47
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2018 were lab tests, blood draw, vascular procedures and rehabilitation.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	510
doctor visit	852
lab tests	753
rehabilitation	11
vascular procedures	78

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	141
Female	122

**Ethnicity**
Non-Hispanic White	81
Black	171
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	49
85 and over	13
Less than 65	59

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	27
Depression	11
Chronic Kidney Disease	52
Asthma	5
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	48
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2019 were lab tests, blood draw, vascular procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

abdominal imaging	31
blood draw	509
cardiac procedures	37
doctor visit	891
hospital care	76
inpatient care	76
lab tests	824
pelvic imaging	31
rehabilitation	28
ultrasound (sonogram)	143
vascular procedures	253

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	164
Female	126

**Ethnicity**
Non-Hispanic White	0
Black	178
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	58
85 and over	18
Less than 65	68

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	31
Depression	14
Chronic Kidney Disease	51
Asthma	5
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	29
Chronic Obstructive Pulmonary Disease	11
Diabetes	48
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2020 were lab tests, blood draw, vascular procedures and hospital care.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	402
doctor visit	1122
hospital care	112
inpatient care	112
lab tests	448
preventive care	11
vaccines	11
vascular procedures	137

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	138
Female	129

**Ethnicity**
Non-Hispanic White	0
Black	161
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	58
85 and over	25
Less than 65	55

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	32
Chronic Obstructive Pulmonary Disease	14
Diabetes	48
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2021 were blood draw, lab tests, preventive care and vascular procedures.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

blood draw	319
diabetes management	19
doctor visit	1000
hospital care	44
inpatient care	44
lab tests	294
preventive care	129
vaccines	14
vascular procedures	119

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	124
Female	109

**Ethnicity**
Non-Hispanic White	0
Black	135
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	57
85 and over	27
Less than 65	45

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	28
Depression	14
Chronic Kidney Disease	61
Asthma	7
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	45
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2022 were hospital care, inpatient care, lab tests and preventive care.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

doctor visit	30
hospital care	173
inpatient care	173
lab tests	12
preventive care	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	87
Female	80

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

**Age**
From 65 to 74	57
From 75 to 84	61
85 and over	17
Less than 65	32

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	46
Asthma	14
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	37
Chronic Obstructive Pulmonary Disease	32
Diabetes	53
Dementia	24
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

hospital care	154
inpatient care	154

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	45
Female	44

**Age**
From 65 to 74	0
From 75 to 84	39
85 and over	24
Less than 65	0

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	27
Ischemic Heart Disease	63
Depression	57
Chronic Kidney Disease	57
Asthma	15
Osteoperosis	38
Atrial Fibrilation	45
Heart Failure	56
Chronic Obstructive Pulmonary Disease	44
Diabetes	47
Dementia	33
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John Alexander Johnson, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Alexander Johnson, MD treated as an internist in Seneca, SC were lab tests, allergy testing, minimally invasive procedures and skin testing.

abdominal imaging	31
allergy testing	484
blood draw	462
cardiac procedures	37
diabetes management	19
doctor visit	827
hospital care	103
inpatient care	103
lab tests	615
minimally invasive procedures	484
pelvic imaging	31
preventive care	50
rehabilitation	26
skin testing	484
ultrasound (sonogram)	143
vaccines	12
vascular procedures	133

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John Alexander Johnson, MD.

**Gender**
Male	129
Female	133

**Ethnicity**
Black / African American	147
Asian / Pacific Islander	0
Non-Hispanic White	46
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	51
85 and over	18
Less than 65	60
65 to 74	124

Average of Total of Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John Alexander Johnson, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	68
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	43
Asthma	7
Osteoporosis	5
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	42
Atrial Fibrillation	11
Cancer	11
Dementia	13

Education & Training

He has a state license in Georgia.

Licensed In: Georgia

Ratings & Reviews

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General Payments

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

**Payments by Company**
Neurocrine Biosciences, Inc.	$6,076 $6,076
Pfizer Inc.	$1,225 ELIQUIS $676	VIAGRA $22	LYRICA $16	TOVIAZ $5	PRISTIQ $1	Other $507
Abbott Laboratories	$402 Diabetes Care $163	FREESTYLE LIBRE 3 $93	FreeStyle Libre $85	FreeStyle Precision Pro system $22	Freestyle Libre 2 $21	Other $18
AstraZeneca Pharmaceuticals LP	$157 FARXIGA $118	KOMBIGLYZE XR $20	ONGLYZA $19
BIOTISSUE HOLDINGS INC.	$141 $141
Other	$912 TRADJENTA $108	ELIQUIS $100	HUMALOG $78	XIAFLEX $70	Makena $55	Other $502

**Types of Payments**
Consulting Fee	$5,400
Food and Beverage	$2,886
Travel and Lodging	$432
Education	$195

Biography

Dr. John Johnson's specialty is hospital medicine (hospitalist). He graduated from UMDNJ-Robert Wood Johnson Medical School and UMDNJ-New Jersey Medical School.

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Dr. John Alexander Johnson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Alexander Johnson, MD in 2023

By Affordability:

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 Alexander Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. John Alexander Johnson, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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