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Home > WI Providers

Dr. David W. Grambow, MD

Accepting New Patients

(750 Ratings)

Specializes in: Adult Cardiology

Vanderbilt University School of Medicine

13133 N Port Washington Road Suite 116
Mequon, WI 53097

(262) 243-5850

Dr. David W. Grambow, MD is a cardiologist in Mequon, WI specializing in adult cardiology. He graduated from Vanderbilt University School of Medicine. Dr. David W. Grambow, MD is affiliated with Ascension, COLUMBIA ST MARYS HOSPITAL MILWAUKEE INC and OUTREACH COMMUNITY HEALTH CENTERS INC.

Office Locations

Ascension

13133 N Port Washington Road Suite 116
Mequon, WI 53097

(262) 243-5850

(262) 243-9551

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2315 N Lake Drive
Milwaukee, WI 53211

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2350 N Lake Drive Suite 400
Milwaukee, WI 53211

(414) 271-1633

(414) 271-5071

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Ascension

3056 South Kinnickinnic Avenue Suite 300
Milwaukee, WI 53207

(414) 271-1633

(414) 294-0980

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801 S 70th Street
West Allis, WI 53214

(414) 773-6600

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Noteworthy Medicare Patient Procedures Performed by Dr. David W. Grambow, MD in 2024

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

Top 5%

By Affordability:

cardiac stress testing

cardiac imaging

cardiac procedures

myocardial perfusion SPECT

In 2024, Dr. David W. Grambow, MD had a list price for cardiac (heart) stress testing, cardiac imaging, cardiac procedures, myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), SPECT scan, and stress testing that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Wisconsin. 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.

Top 25%

By Volume:

cardiac procedures

Doppler echocardiography

echocardiogram

myocardial perfusion SPECT

nuclear scan

ultrasound

By Affordability:

color Doppler echocardiography

Doppler echocardiography

Doppler ultrasound

echocardiogram

spectral Doppler echocardiography

transthoracic echocardiography

ultrasound

In 2012, among providers in related specialties within Wisconsin, Dr. David W. Grambow, MD performed more cardiac procedures, Doppler echocardiography, echocardiogram (echo), myocardial perfusion SPECT, nuclear scan, and ultrasound (sonogram) procedures for Medicare patients than 75% of them and he also had a list price for color Doppler echocardiography, Doppler echocardiography, Doppler ultrasound, echocardiogram (echo), spectral Doppler echocardiography, transthoracic echocardiography (TTE), and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 75% of them. 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. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2012 were cardiac procedures, hospital care, stress testing and inpatient care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	454
catheterization	45
diagnostic procedures	30
doctor visit	977
hospital care	226
inpatient care	197
minimally invasive procedures	45
nuclear scan	99
stent placement (stenting)	15
stress testing	218
ultrasound (sonogram)	191
vascular procedures	30

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2013 were cardiac procedures, hospital care, stress testing and inpatient care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

angioplasty	32
cardiac procedures	510
catheterization	72
diagnostic procedures	24
doctor visit	996
hospital care	233
inpatient care	212
minimally invasive procedures	72
nuclear scan	101
stent placement (stenting)	32
stress testing	231
ultrasound (sonogram)	207
vascular procedures	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	735
Female	918

**Ethnicity**
Non-Hispanic White	1243
Black	326
Hispanic	44
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	480
From 75 to 84	546
85 and over	425
Less than 65	202

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	62
Depression	25
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2014 were cardiac procedures, stress testing, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

angioplasty	38
cardiac procedures	675
catheterization	84
diagnostic procedures	27
doctor visit	977
hospital care	187
inpatient care	187
minimally invasive procedures	84
nuclear scan	147
stent placement (stenting)	38
stress testing	313
ultrasound (sonogram)	266
vascular procedures	39

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	759
Female	944

**Ethnicity**
Non-Hispanic White	1259
Black	362
Hispanic	40
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	511
From 75 to 84	539
85 and over	403
Less than 65	250

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	62
Depression	27
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2015 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	397
catheterization	21
diagnostic procedures	21
doctor visit	869
hospital care	161
inpatient care	161
minimally invasive procedures	32
nuclear scan	79
stress testing	171
ultrasound (sonogram)	222
vascular procedures	21

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	1160
Female	1554

**Ethnicity**
Non-Hispanic White	2050
Black	530
Hispanic	60
Asian	0
Other	52
Native American	0

**Age**
From 65 to 74	866
From 75 to 84	794
85 and over	666
Less than 65	388

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	65
Depression	31
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	37
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

angioplasty	26
cardiac procedures	482
catheterization	64
diagnostic procedures	25
doctor visit	903
hospital care	141
inpatient care	141
minimally invasive procedures	64
nuclear scan	89
stent placement (stenting)	26
stress testing	199
ultrasound (sonogram)	232
vascular procedures	25

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	677
Female	828

**Ethnicity**
Non-Hispanic White	1051
Black	346
Hispanic	46
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	489
From 75 to 84	430
85 and over	344
Less than 65	242

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	60
Depression	30
Chronic Kidney Disease	44
Asthma	28
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	37
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2017 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	472
catheterization	23
diagnostic procedures	23
doctor visit	799
hospital care	138
inpatient care	138
minimally invasive procedures	35
nuclear scan	95
stress testing	182
ultrasound (sonogram)	267
vascular procedures	23

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	708
Female	846

**Ethnicity**
Non-Hispanic White	1123
Black	328
Hispanic	44
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	498
From 75 to 84	457
85 and over	376
Less than 65	223

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	64
Depression	31
Chronic Kidney Disease	45
Asthma	13
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2018 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	522
catheterization	14
diagnostic procedures	14
doctor visit	858
hospital care	162
inpatient care	162
minimally invasive procedures	26
nuclear scan	119
stress testing	202
ultrasound (sonogram)	306
vascular procedures	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	767
Female	862

**Ethnicity**
Non-Hispanic White	1199
Black	326
Hispanic	51
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	541
From 75 to 84	472
85 and over	392
Less than 65	224

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	66
Depression	34
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	893
catheterization	13
diagnostic procedures	13
doctor visit	581
hospital care	205
inpatient care	205
minimally invasive procedures	38
nuclear scan	169
stress testing	229
ultrasound (sonogram)	638
vascular procedures	26

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	868
Female	1050

**Ethnicity**
Non-Hispanic White	1408
Black	381
Hispanic	48
Asian	0
Other	64
Native American	0

**Age**
From 65 to 74	650
From 75 to 84	596
85 and over	421
Less than 65	251

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2019

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	67
Depression	33
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	42
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	731
doctor visit	344
hospital care	56
inpatient care	56
nuclear scan	126
stress testing	156
ultrasound (sonogram)	575

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	653
Female	718

**Ethnicity**
Non-Hispanic White	1000
Black	280
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	487
From 75 to 84	383
85 and over	326
Less than 65	175

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	68
Depression	35
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	23
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	477
doctor visit	398
hospital care	102
inpatient care	102
minimally invasive procedures	17
nuclear scan	90
stress testing	110
ultrasound (sonogram)	367

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	542
Female	622

**Ethnicity**
Non-Hispanic White	860
Black	213
Hispanic	25
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	406
From 75 to 84	371
85 and over	265
Less than 65	122

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	68
Depression	32
Chronic Kidney Disease	47
Asthma	13
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	40
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	394
doctor visit	327
hospital care	109
inpatient care	109
minimally invasive procedures	14
nuclear scan	65
stress testing	65
ultrasound (sonogram)	329

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	508
Female	573

**Ethnicity**
Non-Hispanic White	816
Black	186
Hispanic	21
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	366
From 75 to 84	363
85 and over	244
Less than 65	108

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	55
Depression	30
Chronic Kidney Disease	34
Asthma	15
Osteoperosis	13
Atrial Fibrilation	37
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2023 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	602
doctor visit	336
hospital care	62
inpatient care	62
minimally invasive procedures	16
nuclear scan	90
stress testing	90
ultrasound (sonogram)	512

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	578
Female	628

**Ethnicity**
Non-Hispanic White	948
Black	173
Hispanic	0
Asian	0
Other	53
Native American	0

**Age**
From 65 to 74	430
From 75 to 84	393
85 and over	277
Less than 65	106

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	51
Depression	26
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	14
Atrial Fibrilation	34
Heart Failure	35
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	14
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI during 2024 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

cardiac procedures	505
doctor visit	349
hospital care	38
inpatient care	38
nuclear scan	95
stress testing	95
ultrasound (sonogram)	410

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Male	470
Female	538

**Ethnicity**
Non-Hispanic White	800
Black	120
Hispanic	0
Asian	0
Other	62
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	388
85 and over	220
Less than 65	80

Conditions of Medicare patients treated by Dr. David W. Grambow, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	53
Depression	28
Chronic Kidney Disease	32
Asthma	13
Osteoperosis	15
Atrial Fibrilation	35
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. David W. Grambow, MD for Medicare patients.

The highest averages for the top procedures that Dr. David W. Grambow, MD treated as a cardiologist in Mequon, WI were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

angioplasty	32
cardiac procedures	547
catheterization	42
diagnostic procedures	22
doctor visit	670
hospital care	140
inpatient care	136
minimally invasive procedures	40
nuclear scan	104
stent placement (stenting)	27
stress testing	173
ultrasound (sonogram)	347
vascular procedures	25

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. David W. Grambow, MD.

**Gender**
Female	775
Male	648

**Ethnicity**
Black / African American	274
Asian / Pacific Islander	1
Non-Hispanic White	1058
Hispanic	32
Native American / Alaskan Native	0
Other	35

**Age**
85 and over	335
75 to 84	440
Less than 65	182
65 to 74	464

Average of Total of Conditions of Medicare patients treated by Dr. David W. Grambow, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. David W. Grambow, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	69
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	57
Depression	27
Chronic Kidney Disease	37
Asthma	13
Osteoporosis	10
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Atrial Fibrillation	26
Cancer	13
Dementia	17

Education & Training

Dr. David W. Grambow, MD graduated from Vanderbilt University School of Medicine. He completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. He is certified by the Certifications: The American Board of Internal Medicine - Internal Medicine and has a state license in Wisconsin.

Medical School: Vanderbilt University School of Medicine

Residency: University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals

Board Certification: Certifications: The American Board of Internal Medicine - Internal Medicine

Licensed In: Wisconsin

Ratings & Reviews

Dr. David W. Grambow, MD has an exceptional overall rating with an average of 4.99 out of 5 stars based on 750 ratings. We collect ratings and reviews of Dr. David W. Grambow, MD from all over the web to help you find the right in Mequon, WI.

4.99

Overall Rating

(750 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$149,023 JARDIANCE $116,752	Pradaxa $32,264	$7
AstraZeneca Pharmaceuticals LP	$106,064 BRILINTA $43,437	WAINUA $32,667	FARXIGA $29,947	CRESTOR $14
Pfizer Inc.	$99,211 VYNDAQEL $99,190	VYNDAMAX $3	$18
Novartis Pharmaceuticals Corporation	$96,790 ENTRESTO $72,531	Gilenya $17,586	NON BRAND $6,199	$474
Lilly USA, LLC	$27,757 JARDIANCE $27,757
Other	$27,449 ZETIA $17,649	LIPTRUZET $4,401	GANIRELIX $4,225	Edwards SAPIEN 3 Transcatheter Heart Valve $158	XARELTO $152	Other $864

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$427,138
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$31,800
Travel and Lodging	$24,123
Food and Beverage	$11,534
Consulting Fee	$10,960
Other	$742

Biography

Dr. David Grambow is a specialist in adult cardiology and interventional cardiology in Milwaukee, WI, Mequon, WI, and West Allis, WI. His patients gave him an average rating of 5.0 stars (out of 5). Dr. Grambow is professionally affiliated with Orthopaedic Hospital of Wisconsin, Ascension Sacred Heart Rehabilitation Hospital, and Ascension Columbia St. Mary's Hospital Ozaukee. He welcomes new patients at his office inMequon, WI as reported by Ascension. Before performing his residency at a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas, Dr. Grambow attended Vanderbilt University School of Medicine.