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Dr. Frederick Earl Dixon, MD

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Specializes in: Sleep Medicine and Adult Cardiology

326 N Lbj Drive Suite 104
San Marcos, TX 78666

(512) 572-1033

Dr. Frederick Earl Dixon, MD is a sleep medicine doctor in San Marcos, TX specializing in sleep medicine and adult cardiology.

Office Locations

326 N Lbj Drive Suite 104
San Marcos, TX 78666

(512) 572-1033

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Noteworthy Medicare Patient Procedures Performed by Dr. Frederick Earl Dixon, MD in 2023

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

Top 5%

By Volume:

stress echo

In 2023, Dr. Frederick Earl Dixon, MD performed more stress echo procedures for Medicare patients than 95% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2012 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	57
ambulatory monitoring	17
cardiac procedures	452
doctor visit	1208
hospital care	144
inpatient care	144
lab tests	1225
nuclear scan	158
sleep study	113
stress testing	223
ultrasound (sonogram)	234

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2013 were lab tests, cardiac procedures, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	80
ambulatory monitoring	12
cardiac procedures	341
doctor visit	1178
hospital care	151
inpatient care	151
lab tests	762
nuclear scan	122
sleep study	137
stress testing	171
ultrasound (sonogram)	178

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	569
Female	539

**Ethnicity**
Non-Hispanic White	949
Black	52
Hispanic	75
Asian	17
Other	15
Native American	0

**Age**
From 65 to 74	504
From 75 to 84	376
85 and over	150
Less than 65	78

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	59
Depression	18
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	32
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2014 were lab tests, cardiac procedures, sleep study and ultrasound (sonogram).

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	108
cardiac procedures	315
doctor visit	1097
hospital care	148
inpatient care	148
lab tests	395
nuclear scan	98
sleep study	211
stress testing	150
ultrasound (sonogram)	189

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	576
Female	496

**Ethnicity**
Non-Hispanic White	900
Black	71
Hispanic	71
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	480
From 75 to 84	349
85 and over	165
Less than 65	78

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2014

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	60
Depression	19
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2015 were lab tests, cardiac procedures, sleep study and ultrasound (sonogram).

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	110
ambulatory monitoring	11
cardiac procedures	319
doctor visit	1284
lab tests	442
nuclear scan	116
sleep study	214
stress testing	150
ultrasound (sonogram)	177

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	1112
Female	1044

**Ethnicity**
Non-Hispanic White	1818
Black	136
Hispanic	140
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1042
From 75 to 84	684
85 and over	288
Less than 65	142

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2015

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	56
Depression	20
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	29
Chronic Obstructive Pulmonary Disease	12
Diabetes	33
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2016 were lab tests, cardiac procedures, sleep study and ultrasound (sonogram).

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	100
cardiac procedures	281
doctor visit	1327
hospital care	45
inpatient care	45
lab tests	475
nuclear scan	104
sleep study	218
stress testing	142
ultrasound (sonogram)	164

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	596
Female	524

**Ethnicity**
Non-Hispanic White	926
Black	76
Hispanic	71
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	513
From 75 to 84	372
85 and over	143
Less than 65	92

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	58
Depression	19
Chronic Kidney Disease	32
Asthma	17
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2017 were cardiac procedures, lab tests, sleep study and ultrasound (sonogram).

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	120
cardiac procedures	298
doctor visit	1268
hospital care	91
inpatient care	91
lab tests	261
nuclear scan	105
sleep study	241
stress testing	154
ultrasound (sonogram)	179

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	612
Female	527

**Ethnicity**
Non-Hispanic White	935
Black	82
Hispanic	81
Asian	16
Other	25
Native American	0

**Age**
From 65 to 74	550
From 75 to 84	363
85 and over	135
Less than 65	91

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	57
Depression	23
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2018 were sleep study, lab tests, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

airway management	105
cardiac procedures	167
doctor visit	1033
lab tests	180
nuclear scan	50
sleep study	208
stress testing	89
ultrasound (sonogram)	106

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	497
Female	402

**Ethnicity**
Non-Hispanic White	753
Black	55
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	433
From 75 to 84	293
85 and over	109
Less than 65	64

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	60
Depression	23
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	28
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2019 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

cardiac procedures	117
doctor visit	210
stress testing	67
ultrasound (sonogram)	117

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	117
Female	100

**Ethnicity**
Non-Hispanic White	195
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	79
85 and over	17
Less than 65	16

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2019

Hypertension	75
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	58
Depression	27
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	32
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

cardiac procedures	194
doctor visit	259
nuclear scan	46
stress testing	116
ultrasound (sonogram)	148

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	182
Female	153

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	0
Asian	0
Other	0
Native American	17

**Age**
From 65 to 74	166
From 75 to 84	109
85 and over	33
Less than 65	27

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2020

Hypertension	75
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2021 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

cardiac procedures	179
doctor visit	324
stress testing	79
ultrasound (sonogram)	179

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	184
Female	177

**Ethnicity**
Non-Hispanic White	328
Black	0
Hispanic	0
Asian	0
Other	0
Native American	18

**Age**
From 65 to 74	175
From 75 to 84	110
85 and over	40
Less than 65	36

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2021

Hypertension	74
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	47
Depression	29
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	29
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2022 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

cardiac procedures	117
doctor visit	268
stress testing	47
ultrasound (sonogram)	117

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	156
Female	143

**Ethnicity**
Non-Hispanic White	271
Black	0
Hispanic	0
Asian	0
Other	0
Native American	15

**Age**
From 65 to 74	142
From 75 to 84	104
85 and over	23
Less than 65	30

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2022

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	14
Atrial Fibrilation	32
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX during 2023 were ultrasound (sonogram), cardiac procedures and stress testing.

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

cardiac procedures	192
doctor visit	331
stress testing	94
ultrasound (sonogram)	192

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Male	197
Female	174

**Ethnicity**
Non-Hispanic White	325
Black	0
Hispanic	0
Asian	0
Other	0
Native American	20

**Age**
From 65 to 74	192
From 75 to 84	124
85 and over	35
Less than 65	20

Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD in 2023

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	43
Depression	22
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	15
Atrial Fibrilation	29
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Frederick Earl Dixon, MD for Medicare patients.

The highest averages for the top procedures that Dr. Frederick Earl Dixon, MD treated as a sleep medicine doctor in San Marcos, TX were lab tests, cardiac procedures, sleep study and ultrasound (sonogram).

airway management	97
ambulatory monitoring	13
cardiac procedures	247
doctor visit	815
hospital care	115
inpatient care	115
lab tests	534
nuclear scan	99
sleep study	191
stress testing	123
ultrasound (sonogram)	165

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Frederick Earl Dixon, MD.

**Gender**
Female	356
Male	399

**Ethnicity**
Black / African American	39
Asian / Pacific Islander	2
Non-Hispanic White	641
Hispanic	41
Native American / Alaskan Native	5
Other	6

**Age**
85 and over	94
75 to 84	246
Less than 65	56
65 to 74	358

Average of Total of Conditions of Medicare patients treated by Dr. Frederick Earl Dixon, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	48
Depression	21
Chronic Kidney Disease	27
Asthma	8
Osteoporosis	8
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Atrial Fibrillation	23
Cancer	10
Dementia	6

Education & Training

He has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$349 XARELTO $349
Boehringer Ingelheim Pharmaceuticals, Inc.	$271 Pradaxa $219	JARDIANCE $11	$41
Astellas Pharma US Inc	$260 Lexiscan $260
Amgen Inc.	$253 Repatha $144	Corlanor $69	$39
SANOFI-AVENTIS U.S. LLC	$234 PRALUENT $160	MULTAQ $74
Other	$1,881 ELIQUIS $220	ENTRESTO $157	BYSTOLIC $146	LifeVest $128	BRILINTA $110	Other $1,120

**Types of Payments**
Food and Beverage	$3,200
Education	$48

Biography

Dr. Frederick Dixon practices adult cardiology and sleep medicine in San Marcos, TX. Dr. Dixon is a graduate of the University of Virginia School of Medicine.