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Dr. Diana Dickson-Witmer, MD

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Specializes in: General Surgery

1504 N Broom Street Suite 2
Wilmington, DE 19806

(302) 656-1882

Dr. Diana Dickson-Witmer, MD is a general surgeon in Wilmington, DE specializing in general surgery.

Office Locations

1504 N Broom Street Suite 2
Wilmington, DE 19806

(302) 656-1882

(302) 656-1883

open_in_new

In The News

“My primary care doctor referred me to Dr. Diana Dickson-Witmer, Beebe's breast surgeon and head of the hospital's Center for Breast Health.”—"So many ways I received excellent care at Beebe", Cape Gazette, December 2021

Noteworthy Medicare Patient Procedures Performed by Dr. Diana Dickson-Witmer, MD in 2023

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

Top 25%

By Volume:

biopsy

lymph node procedures

By Affordability:

breast biopsy

deep lymph node biopsy

lymph node biopsy

lymph node procedures

open lymph node biopsy

sentinel lymph node mapping

surgical lymph node biopsy

In 2012, among providers in related specialties within Delaware, Dr. Diana Dickson-Witmer, MD performed more biopsy, and lymph node procedures procedures for Medicare patients than 75% of them and she also had a list price for breast biopsy, deep lymph node biopsy, lymph node biopsy, lymph node procedures, open lymph node biopsy, sentinel lymph node mapping, and surgical lymph node biopsy 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. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2012 were breast procedures, excision, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	277
cancer surgery	46
diagnostic procedures	186
doctor visit	555
excision	232
image guided procedures	135
lymph node procedures	68
minimally invasive procedures	135
minor procedures	135
open surgery	186
ultrasound (sonogram)	77
women's imaging	77

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2013 were breast procedures, excision, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	280
cancer surgery	61
catheterization	16
diagnostic procedures	213
doctor visit	564
excision	274
image guided procedures	133
lymph node procedures	91
minimally invasive procedures	133
minor procedures	133
open surgery	213
ultrasound (sonogram)	49
women's imaging	49

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	284
Black	87
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	97
85 and over	21
Less than 65	54

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2013

Hypertension	68
High Cholesterol	67
Stroke	3
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	11
Asthma	13
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	34
Dementia	5
Cancer	58

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2014 were breast procedures, diagnostic procedures, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	208
cancer surgery	52
diagnostic procedures	200
doctor visit	600
excision	122
image guided procedures	130
lymph node procedures	94
minimally invasive procedures	130
minor procedures	130
open surgery	70

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	290
Black	95
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	102
85 and over	23
Less than 65	57

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2014

Hypertension	69
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	8
Atrial Fibrilation	6
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	39
Dementia	5
Cancer	62

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2015 were breast procedures, diagnostic procedures, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

aspiration	12
breast procedures	198
cancer surgery	70
catheterization	16
diagnostic procedures	183
doctor visit	652
excision	126
image guided procedures	127
lymph node procedures	90
minimally invasive procedures	127
minor procedures	127
open surgery	56

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	668
Black	198
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	506
From 75 to 84	258
85 and over	56
Less than 65	104

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2015

Hypertension	73
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	14
Asthma	13
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	10
Diabetes	37
Dementia	6
Cancer	63

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2016 were breast procedures, diagnostic procedures, excision and minor procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	189
cancer surgery	56
catheterization	12
diagnostic procedures	183
doctor visit	595
excision	124
image guided procedures	115
lymph node procedures	101
minimally invasive procedures	115
minor procedures	115
open surgery	68
plastic surgery procedures	18
reconstructive surgery	18
tissue transfer	18
wound repair (e.g. stitches)	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	315
Black	94
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	132
85 and over	20
Less than 65	40

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2016

Hypertension	74
High Cholesterol	65
Stroke	3
Ischemic Heart Disease	20
Depression	22
Chronic Kidney Disease	19
Asthma	15
Osteoperosis	11
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	36
Dementia	6
Cancer	65

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2017 were breast procedures, diagnostic procedures, excision and minor procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	134
cancer surgery	51
diagnostic procedures	120
doctor visit	449
excision	88
image guided procedures	83
lymph node procedures	78
minimally invasive procedures	83
minor procedures	83
open surgery	37

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	267
Black	90
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	119
85 and over	22
Less than 65	35

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2017

Hypertension	73
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	21
Depression	25
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	37
Dementia	8
Cancer	69

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2018 were breast procedures, diagnostic procedures, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	101
cancer surgery	35
diagnostic procedures	97
doctor visit	426
excision	66
image guided procedures	66
lymph node procedures	63
minimally invasive procedures	66
minor procedures	66
open surgery	31

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	254
Black	70
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	106
85 and over	16
Less than 65	28

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2018

Hypertension	69
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	7
Cancer	69

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2019 were excision, breast procedures, lymph node procedures and diagnostic procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	116
cancer surgery	72
diagnostic procedures	73
doctor visit	433
excision	129
image guided procedures	16
lymph node procedures	96
minimally invasive procedures	16
minor procedures	16
open surgery	57
plastic surgery procedures	14
reconstructive surgery	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	283
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	113
85 and over	23
Less than 65	29

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2019

Hypertension	67
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	24
Depression	26
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	5
Cancer	68

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2020 were excision, breast procedures, lymph node procedures and cancer surgery.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	103
cancer surgery	75
diagnostic procedures	60
doctor visit	285
excision	135
lymph node procedures	101
open surgery	60
plastic surgery procedures	13
reconstructive surgery	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	213
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	94
85 and over	14
Less than 65	19

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2020

Hypertension	64
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	14
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2021 were excision, breast procedures, lymph node procedures and cancer surgery.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	63
cancer surgery	47
diagnostic procedures	46
doctor visit	248
excision	77
image guided procedures	16
lymph node procedures	53
minimally invasive procedures	16
minor procedures	16
open surgery	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Gender**
Male	0
Female	171

**Ethnicity**
Non-Hispanic White	156
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2021

Hypertension	63
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	27
Depression	29
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	20
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	66

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE during 2022 were breast procedures, cancer surgery, excision and minor procedures.

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

breast procedures	45
cancer surgery	34
diagnostic procedures	11
doctor visit	331
excision	34
image guided procedures	11
minimally invasive procedures	11
minor procedures	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Ethnicity**
Non-Hispanic White	206
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	72
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2022

Hypertension	68
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	15
Depression	18
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	23
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	16
Dementia	0
Cancer	71

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Diana Dickson-Witmer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Wilmington, DE were breast procedures, excision, diagnostic procedures and lymph node procedures.

aspiration	12
breast procedures	155
cancer surgery	54
catheterization	14
diagnostic procedures	124
doctor visit	467
excision	127
image guided procedures	83
lymph node procedures	83
minimally invasive procedures	83
minor procedures	83
open surgery	80
plastic surgery procedures	15
reconstructive surgery	15
tissue transfer	18
ultrasound (sonogram)	63
women's imaging	63
wound repair (e.g. stitches)	18

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Diana Dickson-Witmer, MD.

**Gender**
Male	0
Female	15

**Ethnicity**
Black / African American	67
Asian / Pacific Islander	0
Non-Hispanic White	266
Native American / Alaskan Native	0
Hispanic	4
Other	0

**Age**
75 to 84	103
85 and over	17
Less than 65	33
65 to 74	200

Average of Total of Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated were hypertension, high cholesterol, cancer and diabetes.

Hypertension	62
High Cholesterol	61
Stroke	1
Ischemic Heart Disease	20
Depression	21
Chronic Kidney Disease	16
Asthma	10
Osteoporosis	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	28
Atrial Fibrillation	7
Dementia	4
Cancer	60

Education & Training

She has a state license in Delaware.

Licensed In: Delaware

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Diana Dickson-Witmer, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Focal Therapeutics, Inc.	$822 BioZorb $822
Genentech USA, Inc.	$271 Kadcyla $65	$206
Cianna Medical Inc	$245 SAVI/SAVI SCOUT $245
Faxitron Bioptics LLC	$90 BioVision $90
EISAI INC.	$79 Halaven $79
Other	$284 BioZorb $72	LYNPARZA $32	Wound Matrix $31	LIBTAYO $25	Tumark $21	Other $104

**Types of Payments**
Food and Beverage	$1,666
Travel and Lodging	$125

Biography

Dr. Diana Dickson-Witmer is a specialist in general surgery. Dr. Dickson-Witmer attended medical school at the University of Florida College of Medicine. Her practice in Rehoboth Beach, DE is open to new patients as reported by Doctor.com.

Select Year:

Dr. Diana Dickson-Witmer, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Diana Dickson-Witmer, MD in 2023

By Volume:

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. Diana Dickson-Witmer, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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