In 2012, Dr. Lon Andrew Walder, DO had a list price for cardiac imaging, cardiac procedures, color Doppler echocardiography, Doppler echocardiography, Doppler ultrasound, echocardiogram (echo), hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), spectral Doppler echocardiography, transthoracic echocardiography (TTE), and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Texas. 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. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2012 were cardiac procedures, lab tests, stress testing and minimally invasive procedures.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	364
catheterization	177
diagnostic procedures	137
doctor visit	857
hospital care	128
inpatient care	128
lab tests	320
minimally invasive procedures	177
stent placement (stenting)	40
stress testing	187
vascular procedures	137

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2013 were cardiac procedures, lab tests, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

angioplasty	72
cardiac procedures	394
cardioversion	14
catheterization	220
diagnostic procedures	112
doctor visit	815
hospital care	141
implant surgery	13
inpatient care	129
lab tests	248
minimally invasive procedures	233
outpatient care	12
stent placement (stenting)	72
stress testing	161
vascular procedures	112

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	670
Female	695

**Ethnicity**
Non-Hispanic White	1327
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	508
From 75 to 84	520
85 and over	252
Less than 65	85

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2013

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	61
Depression	30
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2014 were cardiac procedures, minimally invasive procedures, catheterization and lab tests.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

angioplasty	62
cardiac procedures	327
catheterization	179
diagnostic procedures	86
doctor visit	796
hospital care	91
implant surgery	13
inpatient care	80
lab tests	137
minimally invasive procedures	192
outpatient care	11
stent placement (stenting)	62
stress testing	135
vascular procedures	86

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	511
Female	437

**Ethnicity**
Non-Hispanic White	923
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	363
From 75 to 84	361
85 and over	153
Less than 65	71

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2014

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	65
Depression	26
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	33
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2015 were cardiac procedures, lab tests, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

angioplasty	58
blood draw	33
cardiac procedures	339
catheterization	175
diagnostic procedures	88
doctor visit	914
hospital care	70
inpatient care	70
lab tests	180
minimally invasive procedures	175
stent placement (stenting)	58
stress testing	164
vascular procedures	88

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	846
Female	684

**Ethnicity**
Non-Hispanic White	1480
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	618
From 75 to 84	602
85 and over	228
Less than 65	82

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2015

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	67
Depression	18
Chronic Kidney Disease	28
Asthma	19
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	29
Diabetes	35
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2016 were lab tests, cardiac procedures, stress testing and hospital care.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

blood draw	12
cardiac procedures	73
catheterization	13
diagnostic procedures	13
doctor visit	437
hospital care	28
inpatient care	28
lab tests	84
minimally invasive procedures	13
stress testing	60
vascular procedures	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	293
Female	216

**Ethnicity**
Non-Hispanic White	496
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	207
85 and over	93
Less than 65	22

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2016

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	71
Depression	20
Chronic Kidney Disease	33
Asthma	30
Osteoperosis	7
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2018 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	113
doctor visit	182
hospital care	104
inpatient care	104
nuclear scan	29
stress testing	50
ultrasound (sonogram)	63

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	116
Female	139

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	243
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	87
85 and over	31
Less than 65	42

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2018

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	71
Depression	23
Chronic Kidney Disease	59
Asthma	6
Osteoperosis	13
Atrial Fibrilation	12
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	58
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2019 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

ambulatory monitoring	17
cardiac procedures	491
catheterization	20
diagnostic procedures	20
doctor visit	713
hospital care	312
inpatient care	312
minimally invasive procedures	20
nuclear scan	87
stress testing	171
ultrasound (sonogram)	283
vascular procedures	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	386
Female	439

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	778
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	286
85 and over	130
Less than 65	101

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	68
Depression	26
Chronic Kidney Disease	61
Asthma	7
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	41
Chronic Obstructive Pulmonary Disease	23
Diabetes	65
Dementia	28
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2020 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

ambulatory monitoring	15
cardiac procedures	294
catheterization	15
diagnostic procedures	15
doctor visit	519
hospital care	195
inpatient care	195
minimally invasive procedures	15
nuclear scan	58
stress testing	117
ultrasound (sonogram)	147
vascular procedures	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	246
Female	271

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	488
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	158
85 and over	87
Less than 65	86

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	72
Depression	23
Chronic Kidney Disease	65
Asthma	7
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	42
Chronic Obstructive Pulmonary Disease	18
Diabetes	66
Dementia	29
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	167
doctor visit	222
hospital care	52
inpatient care	52
nuclear scan	28
stress testing	56
ultrasound (sonogram)	111

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	163
Female	230

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	369
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	132
85 and over	65
Less than 65	59

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	65
Depression	19
Chronic Kidney Disease	60
Asthma	5
Osteoperosis	16
Atrial Fibrilation	10
Heart Failure	36
Chronic Obstructive Pulmonary Disease	15
Diabetes	65
Dementia	27
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2022 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	78
hospital care	68
inpatient care	68
ultrasound (sonogram)	78

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	73
Female	100

**Age**
From 65 to 74	53
From 75 to 84	56
85 and over	41
Less than 65	23

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	62
Depression	19
Chronic Kidney Disease	53
Asthma	9
Osteoperosis	33
Atrial Fibrilation	24
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	70
Dementia	27
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2023 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	39
hospital care	21
inpatient care	21
ultrasound (sonogram)	39

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	46
Female	56

**Age**
From 65 to 74	31
From 75 to 84	36
85 and over	19
Less than 65	16

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2023

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	57
Depression	25
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	28
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	17
Diabetes	72
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX during 2024 were hospital care, inpatient care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

cardiac procedures	37
hospital care	53
inpatient care	53
ultrasound (sonogram)	37

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Male	42
Female	77

**Age**
From 65 to 74	31
From 75 to 84	45
85 and over	23
Less than 65	20

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2024

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	61
Depression	27
Chronic Kidney Disease	53
Asthma	12
Osteoperosis	32
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	14
Diabetes	72
Dementia	29
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Lon Andrew Walder, DO for Medicare patients.

The highest averages for the top procedures that Dr. Lon Andrew Walder, DO treated as an interventional cardiologist in Pass, TX were cardiac procedures, lab tests, stress testing and minimally invasive procedures.

ambulatory monitoring	16
angioplasty	64
blood draw	22
cardiac procedures	226
cardioversion	14
catheterization	114
diagnostic procedures	67
doctor visit	606
hospital care	105
implant surgery	13
inpatient care	103
lab tests	193
minimally invasive procedures	117
nuclear scan	50
outpatient care	11
stent placement (stenting)	58
stress testing	122
ultrasound (sonogram)	108
vascular procedures	67

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Lon Andrew Walder, DO.

**Gender**
Female	278
Male	282

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	352
Hispanic	158
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	93
75 to 84	207
Less than 65	50
65 to 74	209

Average of Total of Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Lon Andrew Walder, DO treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	60
Depression	21
Chronic Kidney Disease	43
Asthma	9
Osteoporosis	15
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	50
Atrial Fibrillation	16
Cancer	10
Dementia	20

Education & Training

He has a state license in Texas.

Licensed In: Texas

Ratings & Reviews

Dr. Lon Andrew Walder, DO has an average of 2.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Lon Andrew Walder, DO from all over the web to help you find the right in Pass, TX.

Overall Rating

(1 Rating)

Leave a Review

General Payments

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

**Payments by Company**
Boston Scientific Corporation	$390 Tachy System $129	Brady System $116	Brady Generator $102	TACHY HF $42
Abbott Laboratories	$273 Xience Sierra Coronary Stent System $55	PressureWire FFR $51	Vascular $48	XIENCE SIERRA $45	Xience Sierra Coronary Stent $28	Other $46
Janssen Pharmaceuticals, Inc	$249 XARELTO $170	INVOKANA $79
Boehringer Ingelheim Pharmaceuticals, Inc.	$179 Pradaxa $163	Praxbind $16
Pfizer Inc.	$175 ELIQUIS $92	VIAGRA $83
Other	$738 ENTRESTO $137	ELIQUIS $115	LifeVest $54	Effient $45	BRILINTA $43	Other $344

**Types of Payments**
Food and Beverage	$1,992
Education	$12

Biography

Dr. Lon Walder's specialties are adult cardiology and interventional cardiology. He practices in Eagle Pass, TX. Dr. Walder obtained a license to practice in Texas.

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Dr. Lon Andrew Walder, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Lon Andrew Walder, DO in 2024

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. Lon Andrew Walder, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2016

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lon Andrew Walder, DO 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. Lon Andrew Walder, DO From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography