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Home > AZ Providers > Dermatopathologists

Dr. Karen E. Warschaw, MD

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Specializes in: Dermatopathology

9060 E Viaduct Linda Suite 150
Scottsdale, AZ 85258

(480) 275-2494

Dr. Karen E. Warschaw, MD is a dermatopathologist in Scottsdale, AZ specializing in dermatopathology.

Office Locations

9060 E Viaduct Linda Suite 150
Scottsdale, AZ 85258

(480) 275-2494

(480) 772-4296

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen E. Warschaw, MD in 2023

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

Top 5%

By Affordability:

second opinions

slide consultation

In 2023, Dr. Karen E. Warschaw, MD had a list price for second opinions, and slide consultation that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Arizona. 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:

lab tests

In 2012, Dr. Karen E. Warschaw, MD performed more lab tests procedures for Medicare patients than 75% of providers in related specialties within Arizona.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2012 were lab tests, second opinions, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1047
removal of lesion (e.g. growth)	11
second opinions	83
skin procedures	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2013 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1362
second opinions	70

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	2949
Female	2316

**Ethnicity**
Non-Hispanic White	5111
Black	13
Hispanic	62
Asian	0
Other	61
Native American	0

**Age**
From 65 to 74	2439
From 75 to 84	1895
85 and over	820
Less than 65	111

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2013

Hypertension	62
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	33
Depression	11
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2014 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	2441
second opinions	82

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	3033
Female	2359

**Ethnicity**
Non-Hispanic White	5216
Black	0
Hispanic	65
Asian	18
Other	66
Native American	0

**Age**
From 65 to 74	2460
From 75 to 84	1949
85 and over	884
Less than 65	99

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2014

Hypertension	61
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2015 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1745
second opinions	101

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	6540
Female	5286

**Ethnicity**
Non-Hispanic White	11454
Black	0
Hispanic	128
Asian	32
Other	176
Native American	0

**Age**
From 65 to 74	5592
From 75 to 84	4186
85 and over	1848
Less than 65	200

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2015

Hypertension	59
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	31
Depression	11
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2016 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1810
second opinions	114

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	4025
Female	3154

**Ethnicity**
Non-Hispanic White	6937
Black	0
Hispanic	95
Asian	15
Other	114
Native American	0

**Age**
From 65 to 74	3474
From 75 to 84	2545
85 and over	1049
Less than 65	111

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2016

Hypertension	61
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2017 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1629
second opinions	112

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	4179
Female	3345

**Ethnicity**
Non-Hispanic White	7231
Black	0
Hispanic	98
Asian	23
Other	155
Native American	0

**Age**
From 65 to 74	3535
From 75 to 84	2814
85 and over	1074
Less than 65	101

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2017

Hypertension	62
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2018 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1432
second opinions	60

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	4612
Female	3757

**Ethnicity**
Non-Hispanic White	8039
Black	18
Hispanic	95
Asian	36
Other	166
Native American	15

**Age**
From 65 to 74	3928
From 75 to 84	3159
85 and over	1169
Less than 65	113

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2018

Hypertension	62
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2019 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	974
second opinions	42

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	3230
Female	2523

**Ethnicity**
Non-Hispanic White	5478
Black	15
Hispanic	85
Asian	23
Other	138
Native American	14

**Age**
From 65 to 74	2630
From 75 to 84	2253
85 and over	803
Less than 65	67

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2019

Hypertension	64
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2020 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1086
second opinions	40

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	3339
Female	2590

**Ethnicity**
Non-Hispanic White	5715
Black	0
Hispanic	57
Asian	18
Other	128
Native American	0

**Age**
From 65 to 74	2538
From 75 to 84	2498
85 and over	841
Less than 65	52

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2020

Hypertension	62
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2021 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	1180
second opinions	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	2866
Female	2349

**Ethnicity**
Non-Hispanic White	4966
Black	0
Hispanic	56
Asian	25
Other	151
Native American	0

**Age**
From 65 to 74	2192
From 75 to 84	2230
85 and over	744
Less than 65	49

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2021

Hypertension	62
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ during 2022 were lab tests and second opinions.

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

lab tests	341
second opinions	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	713
Female	531

**Ethnicity**
Non-Hispanic White	1181
Black	0
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	525
From 75 to 84	542
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD in 2022

Hypertension	67
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	11
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	3
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Karen E. Warschaw, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen E. Warschaw, MD treated as a dermatopathologist in Scottsdale, AZ were lab tests, second opinions, removal of lesion (e.g. growth) and skin procedures.

lab tests	1367
removal of lesion (e.g. growth)	11
second opinions	68
skin procedures	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Karen E. Warschaw, MD.

**Gender**
Male	3226
Female	2564

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	17
Non-Hispanic White	5575
Native American / Alaskan Native	2
Hispanic	67
Other	108

**Age**
75 to 84	2188
85 and over	839
Less than 65	82
65 to 74	2664

Average of Total of Conditions of Medicare patients treated by Dr. Karen E. Warschaw, MD From 2012 - 2022

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

Hypertension	56
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	28
Depression	11
Chronic Kidney Disease	23
Asthma	6
Osteoporosis	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	18
Atrial Fibrillation	11
Dementia	5
Cancer	12

Education & Training

She has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

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

**Payments by Company**
GENZYME CORPORATION	$23 DUPIXENT $23
Celgene Corporation	$20 Pomalyst $20

**Types of Payments**
Food and Beverage	$42

Biography

Dr. Karen Warschaw, who practices in Scottsdale, AZ, is a medical specialist in dermatopathology. Dr. Warschaw studied medicine at the University of Minnesota Medical School.