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Dr. Samuel Andrew Johnson, MD

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Specializes in: Adult Nephrology

3919 Atlanta Highway
Hiram, GA 30141

(770) 427-7389

Dr. Samuel Andrew Johnson, MD is a nephrologist in Woodstock, GA specializing in adult nephrology. Dr. Samuel Andrew Johnson, MD is affiliated with Wellstar.

Office Locations

110 Londonderry Court
Woodstock, GA 30188

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120 Stonebridge Parkway
Woodstock, GA 30189

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1277 Kennestone Circle
Marietta, GA 30066

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1392 Bells Ferry Road
Marietta, GA 30066

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14 Roving Road
Se Cartersville, GA 30121

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144 Bill Carruth Parkway
Hiram, GA 30141

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1886 Stallion Parkway
Austell, GA 30106

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3825 Medical Park Drive
Austell, GA 30106

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Wellstar

3919 Atlanta Highway
Hiram, GA 30141

(770) 427-7389

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411 Hospital Road
Canton, GA 30114

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4645 Timber Ridge Road
Douglasville, GA 30135

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55 Whitcher Street Ne Suite 460
Marietta, GA 30060

(770) 427-7389

(770) 427-1492

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55 Whitcher Street
Ne Marietta, GA 30060

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941 Progress Road
Ellijay, GA 30540

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Noteworthy Medicare Patient Procedures Performed by Dr. Samuel Andrew Johnson, MD in 2023

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

Top 5%

By Volume:

hemodialysis access duplex ultrasound

superior vena cavagram

vascular procedures

vascular ultrasound

In 2023, Dr. Samuel Andrew Johnson, MD performed more hemodialysis access duplex ultrasound, superior vena cavagram, vascular procedures, and vascular ultrasound procedures for Medicare patients than 95% of providers in related specialties within Georgia.

Top 25%

By Volume:

extremity arteriogram

inpatient hospital care

In 2012, Dr. Samuel Andrew Johnson, MD performed more extremity arteriogram, and inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Georgia.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2012 were hospital care, inpatient care, outpatient care and lab tests.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

dialysis	29
doctor visit	39
hospital care	1901
inpatient care	1848
lab tests	49
outpatient care	53

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2013 were inpatient care, hospital care, lab tests and dialysis.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

angioplasty	112
device removal	15
dialysis	170
dialysis access procedures	158
doctor visit	586
hemofiltration	28
hospital care	1669
inpatient care	1669
lab tests	700
minimally invasive procedures	14
preventive care	37
thrombectomy (blood clot removal)	14
vaccines	37
vascular procedures	158
X-rays	144

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	692
Female	725

**Ethnicity**
Non-Hispanic White	1091
Black	272
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	451
From 75 to 84	412
85 and over	216
Less than 65	338

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	62
Depression	31
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	54
Chronic Obstructive Pulmonary Disease	35
Diabetes	58
Dementia	22
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2014 were inpatient care, hospital care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

angioplasty	187
catheterization	13
device removal	24
dialysis	215
dialysis access procedures	275
doctor visit	1004
hemofiltration	15
hospital care	1766
inpatient care	1766
lab tests	1280
minimally invasive procedures	37
preventive care	48
stent placement (stenting)	14
thrombectomy (blood clot removal)	23
vaccines	48
vascular procedures	325
X-rays	252

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	703
Female	693

**Ethnicity**
Non-Hispanic White	1044
Black	272
Hispanic	42
Asian	24
Other	14
Native American	0

**Age**
From 65 to 74	469
From 75 to 84	429
85 and over	174
Less than 65	324

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	60
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	50
Chronic Obstructive Pulmonary Disease	29
Diabetes	54
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2015 were inpatient care, hospital care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

angioplasty	321
catheterization	18
device removal	46
dialysis	280
dialysis access procedures	444
doctor visit	991
hemofiltration	26
hospital care	1831
inpatient care	1831
lab tests	1036
minimally invasive procedures	77
preventive care	24
stent placement (stenting)	33
thrombectomy (blood clot removal)	44
vaccines	24
vascular procedures	618
X-rays	400

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	1384
Female	1292

**Ethnicity**
Non-Hispanic White	1888
Black	612
Hispanic	88
Asian	42
Other	46
Native American	0

**Age**
From 65 to 74	898
From 75 to 84	744
85 and over	298
Less than 65	736

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	55
Depression	28
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	48
Chronic Obstructive Pulmonary Disease	26
Diabetes	55
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2016 were inpatient care, hospital care, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

angioplasty	529
catheterization	55
device removal	51
dialysis	182
dialysis access procedures	656
doctor visit	1169
hemofiltration	38
hospital care	1580
inpatient care	1580
lab tests	496
minimally invasive procedures	146
preventive care	19
stent placement (stenting)	63
thrombectomy (blood clot removal)	70
vaccines	19
vascular procedures	988
X-rays	586

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	749
Female	664

**Ethnicity**
Non-Hispanic White	930
Black	396
Hispanic	41
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	465
From 75 to 84	345
85 and over	144
Less than 65	459

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	57
Depression	28
Chronic Kidney Disease	75
Asthma	26
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	51
Chronic Obstructive Pulmonary Disease	23
Diabetes	58
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2017 were inpatient care, hospital care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

abdominal imaging	25
catheterization	50
device removal	49
dialysis	189
dialysis access procedures	220
doctor visit	1051
hemofiltration	78
hospital care	1587
inpatient care	1587
lab tests	525
pelvic imaging	25
preventive care	26
ultrasound (sonogram)	245
vaccines	26
vascular procedures	405

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	758
Female	627

**Ethnicity**
Non-Hispanic White	913
Black	378
Hispanic	42
Asian	0
Other	31
Native American	0

**Age**
From 65 to 74	450
From 75 to 84	364
85 and over	130
Less than 65	441

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	56
Depression	28
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	48
Chronic Obstructive Pulmonary Disease	23
Diabetes	60
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2018 were inpatient care, hospital care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

abdominal imaging	16
catheterization	40
device removal	24
dialysis	217
dialysis access procedures	160
doctor visit	930
hemofiltration	68
hospital care	1498
inpatient care	1498
lab tests	585
minimally invasive procedures	19
pelvic imaging	16
preventive care	24
thrombolysis	19
ultrasound (sonogram)	176
vaccines	24
vascular procedures	340

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	779
Female	615

**Ethnicity**
Non-Hispanic White	891
Black	401
Hispanic	48
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	462
From 75 to 84	375
85 and over	130
Less than 65	427

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	59
Depression	28
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	5
Atrial Fibrilation	21
Heart Failure	52
Chronic Obstructive Pulmonary Disease	21
Diabetes	60
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2019 were inpatient care, hospital care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

abdominal imaging	18
catheterization	15
device removal	56
dialysis	202
dialysis access procedures	127
doctor visit	817
hemofiltration	82
hospital care	1309
inpatient care	1309
lab tests	515
minimally invasive procedures	56
pelvic imaging	18
preventive care	22
thrombolysis	56
ultrasound (sonogram)	145
vaccines	22
vascular procedures	428

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	702
Female	574

**Ethnicity**
Non-Hispanic White	836
Black	354
Hispanic	45
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	414
From 75 to 84	347
85 and over	126
Less than 65	389

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	60
Depression	31
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	54
Chronic Obstructive Pulmonary Disease	21
Diabetes	61
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2020 were inpatient care, hospital care, vascular procedures and lab tests.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

catheterization	53
device removal	71
dialysis	136
dialysis access procedures	50
doctor visit	544
hemofiltration	75
hospital care	1526
inpatient care	1526
lab tests	195
minimally invasive procedures	55
preventive care	14
thrombolysis	55
ultrasound (sonogram)	50
vaccines	14
vascular procedures	387

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	699
Female	547

**Ethnicity**
Non-Hispanic White	797
Black	367
Hispanic	46
Asian	16
Other	20
Native American	0

**Age**
From 65 to 74	391
From 75 to 84	347
85 and over	117
Less than 65	391

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	59
Depression	31
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	4
Atrial Fibrilation	22
Heart Failure	57
Chronic Obstructive Pulmonary Disease	20
Diabetes	60
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2021 were hospital care, inpatient care, vascular procedures and lab tests.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

catheterization	50
device removal	34
dialysis access procedures	142
doctor visit	553
hospital care	1058
inpatient care	1058
lab tests	290
minimally invasive procedures	26
thrombolysis	26
ultrasound (sonogram)	142
vascular procedures	392

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	540
Female	464

**Ethnicity**
Non-Hispanic White	681
Black	256
Hispanic	31
Asian	17
Other	19
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	271
85 and over	122
Less than 65	276

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	59
Depression	29
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	5
Atrial Fibrilation	24
Heart Failure	54
Chronic Obstructive Pulmonary Disease	18
Diabetes	56
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA during 2022 were hospital care, inpatient care, lab tests and vascular procedures.

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

catheterization	35
device removal	31
dialysis access procedures	155
doctor visit	494
hospital care	1404
inpatient care	1404
lab tests	279
ultrasound (sonogram)	155
vascular procedures	279

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	504
Female	407

**Ethnicity**
Non-Hispanic White	632
Black	219
Hispanic	24
Asian	15
Other	21
Native American	0

**Age**
From 65 to 74	306
From 75 to 84	285
85 and over	101
Less than 65	219

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	9
Atrial Fibrilation	36
Heart Failure	50
Chronic Obstructive Pulmonary Disease	23
Diabetes	58
Dementia	15
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Samuel Andrew Johnson, MD for Medicare patients.

The highest averages for the top procedures that Dr. Samuel Andrew Johnson, MD treated as a nephrologist in Woodstock, GA were hospital care, inpatient care, lab tests and vascular procedures.

abdominal imaging	19
angioplasty	287
catheterization	36
device removal	40
dialysis	180
dialysis access procedures	238
doctor visit	743
hemofiltration	51
hospital care	1557
inpatient care	1552
lab tests	540
minimally invasive procedures	53
outpatient care	53
pelvic imaging	19
preventive care	26
stent placement (stenting)	36
thrombectomy (blood clot removal)	37
thrombolysis	39
ultrasound (sonogram)	152
vaccines	26
vascular procedures	432
X-rays	345

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Samuel Andrew Johnson, MD.

**Gender**
Male	682
Female	600

**Ethnicity**
Black / African American	320
Asian / Pacific Islander	12
Non-Hispanic White	882
Native American / Alaskan Native	0
Hispanic	39
Other	17

**Age**
75 to 84	356
85 and over	141
Less than 65	363
65 to 74	421

Average of Total of Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	68
Asthma	10
Osteoporosis	5
Heart Failure	47
Chronic Obstructive Pulmonary Disease	21
Diabetes	52
Atrial Fibrillation	22
Dementia	18
Cancer	10

Education & Training

He completed residency at Emory University Affiliated Hospitals. He is certified by the American Board of Internal Medicine - Neph and has a state license in Georgia.

Residency: Emory University Affiliated Hospitals

Board Certification: American Board of Internal Medicine - Neph

Licensed In: Georgia

Affiliations & Hospitals

Dr. Samuel Andrew Johnson, MD is associated with these hospitals and organizations:

Wellstar

Ratings & Reviews

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General Payments

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

**Payments by Company**
Medtronic, Inc.	$969 ELLIPSYS VASCULAR ACCESS SYSTEM $954	Ellipsys $15
Mallinckrodt LLC	$567 ACTHAR $567
Otsuka America Pharmaceutical, Inc.	$423 SAMSCA $321	JYNARQUE $102
Stryker Corporation	$362 NEURO/SPINE/ENT $362
AstraZeneca Pharmaceuticals LP	$308 LOKELMA $308
Other	$1,838 Auryxia $511	KRYSTEXXA $121	Sensipar $116	Velphoro $114	RENVELA $96	Other $881

**Types of Payments**
Food and Beverage	$3,434
Travel and Lodging	$851
Education	$183

Biography

Dr. Samuel Johnson is a specialist in adult nephrology. His hospital/clinic affiliations include Wellstar Windy Hill Hospital, WellStar Cobb Hospital, and Wellstar Kennestone Hospital. Dr. Johnson graduated from Temple University School of Medicine and then he performed his residency at a hospital affiliated with Emory University.

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Dr. Samuel Andrew Johnson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Samuel Andrew Johnson, MD in 2023

By Volume:

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. Samuel Andrew Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Samuel Andrew Johnson, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Woodstock, GA