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Home > GA Providers > Internists & Internal Medicine Doctors

Dr. Mary Kathryn McMahan, MD

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Specializes in: Internal Medicine (Adult Medicine)

163 E Tollison Street
Baxley, GA 31513

(912) 367-9841

Dr. Mary Kathryn McMahan, MD is an internist in Baxley, GA specializing in internal medicine (adult medicine).

Office Locations

163 E Tollison Street
Baxley, GA 31513

(912) 367-9841

(912) 367-7203

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2012 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	925
inpatient care	904
nursing home care	152
outpatient care	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2013 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	714
inpatient care	577
nursing home care	246
outpatient care	117

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	145
Female	215

**Ethnicity**
Non-Hispanic White	257
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	116
85 and over	90
Less than 65	52

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2013

Hypertension	75
High Cholesterol	58
Stroke	16
Ischemic Heart Disease	60
Depression	44
Chronic Kidney Disease	46
Asthma	13
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	53
Chronic Obstructive Pulmonary Disease	41
Diabetes	51
Dementia	44
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2014 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

emergency care	11
hospital care	448
inpatient care	413
nursing home care	182
outpatient care	20

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	99
Female	180

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	79
From 75 to 84	86
85 and over	61
Less than 65	53

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	16
Ischemic Heart Disease	59
Depression	47
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	49
Chronic Obstructive Pulmonary Disease	41
Diabetes	48
Dementia	39
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2015 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	341
inpatient care	341
nursing home care	217

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	190
Female	252

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	144
85 and over	98
Less than 65	80

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	14
Ischemic Heart Disease	53
Depression	51
Chronic Kidney Disease	53
Asthma	27
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	52
Chronic Obstructive Pulmonary Disease	43
Diabetes	44
Dementia	44
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2016 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	506
inpatient care	386
nursing home care	272
outpatient care	94

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	119
Female	171

**Ethnicity**
Non-Hispanic White	216
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	86
85 and over	52
Less than 65	61

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	52
Depression	52
Chronic Kidney Disease	53
Asthma	44
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	49
Chronic Obstructive Pulmonary Disease	44
Diabetes	49
Dementia	38
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2017 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	416
inpatient care	325
nursing home care	245
outpatient care	73

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	110
Female	137

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	77
85 and over	51
Less than 65	46

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	50
Depression	52
Chronic Kidney Disease	60
Asthma	13
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	44
Chronic Obstructive Pulmonary Disease	45
Diabetes	49
Dementia	41
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2018 were hospital care, inpatient care, nursing home care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	563
inpatient care	415
nursing home care	188
outpatient care	119

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	109
Female	143

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	68
85 and over	49
Less than 65	50

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	52
Depression	46
Chronic Kidney Disease	50
Asthma	12
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	41
Chronic Obstructive Pulmonary Disease	44
Diabetes	44
Dementia	40
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2019 were hospital care, inpatient care, outpatient care and nursing home care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	488
inpatient care	401
nursing home care	67
outpatient care	87

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	165
Female	129

**Ethnicity**
Non-Hispanic White	227
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	82
85 and over	38
Less than 65	71

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	50
Depression	65
Chronic Kidney Disease	57
Asthma	5
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	40
Chronic Obstructive Pulmonary Disease	42
Diabetes	52
Dementia	63
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2020 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	491
inpatient care	462
outpatient care	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	121
Female	116

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	62
85 and over	35
Less than 65	57

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	47
Depression	65
Chronic Kidney Disease	61
Asthma	7
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	37
Chronic Obstructive Pulmonary Disease	41
Diabetes	53
Dementia	73
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2021 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	367
inpatient care	354
outpatient care	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	95
Female	94

**Ethnicity**
Non-Hispanic White	139
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	59
85 and over	33
Less than 65	37

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2021

Hypertension	75
High Cholesterol	67
Stroke	19
Ischemic Heart Disease	48
Depression	57
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	36
Chronic Obstructive Pulmonary Disease	34
Diabetes	62
Dementia	68
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2022 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	380
inpatient care	323
outpatient care	57

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	107
Female	134

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	68
85 and over	40
Less than 65	50

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	37
Depression	64
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	35
Diabetes	58
Dementia	71
Cancer	11

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

hospital care	285
inpatient care	285

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	87
Female	133

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

**Age**
From 65 to 74	80
From 75 to 84	66
85 and over	31
Less than 65	43

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	35
Depression	73
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	38
Chronic Obstructive Pulmonary Disease	32
Diabetes	56
Dementia	67
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Mary Kathryn McMahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mary Kathryn McMahan, MD treated as an internist in Baxley, GA were hospital care, inpatient care, nursing home care and outpatient care.

emergency care	11
hospital care	493
inpatient care	432
nursing home care	196
outpatient care	63

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Mary Kathryn McMahan, MD.

**Gender**
Male	112
Female	142

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	193
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	76
85 and over	48
Less than 65	50
65 to 74	79

Average of Total of Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Mary Kathryn McMahan, MD treated were hypertension, high cholesterol, depression and dementia.

Hypertension	68
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	45
Depression	51
Chronic Kidney Disease	46
Asthma	12
Osteoporosis	8
Heart Failure	39
Chronic Obstructive Pulmonary Disease	36
Diabetes	47
Atrial Fibrillation	16
Cancer	8
Dementia	49

Education & Training

She 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. Mary Kathryn McMahan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Neurocrine Biosciences, Inc.	$125 INGREZZA $125
Merck Sharp & Dohme LLC	$53 DIFICID $53
Janssen Pharmaceuticals, Inc	$35 XARELTO $35
Pfizer Inc.	$34 OXBRYTA $21	ELIQUIS $13
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$26 LifeVest $26
Other	$41 Humira $16	TEFLARO $14	DALVANCE $11

**Types of Payments**
Food and Beverage	$313

Select Year:

Dr. Mary Kathryn McMahan, 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. Mary Kathryn McMahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mary Kathryn McMahan, 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. Mary Kathryn McMahan, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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