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Dr. Diana Dickson-Witmer, MD

Accepting New Patients

(No ratings)

Specializes in: General Surgery
University of Florida College of Medicine (1976)
18941 John J. Williams Highway
Rehoboth Beach, DE 19971

Dr. Diana Dickson-Witmer, MD is a general surgeon in Rehoboth Beach, DE specializing in general surgery. She graduated from University of Florida College of Medicine in 1976 and has 50 years of experience. Dr. Diana Dickson-Witmer, MD is affiliated with BEEBE PHYSICIAN NETWORK INC.

View Doctor's Full Profile (302) 703-3595

Office Locations

18941 John J. Williams Highway
Rehoboth Beach, DE 19971
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 2013, 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

2013 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2013 were hypertension, high cholesterol, cancer and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2014 were hypertension, high cholesterol, cancer and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2015 were hypertension, high cholesterol, cancer and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2016 were hypertension, cancer, high cholesterol and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2017 were hypertension, cancer, high cholesterol and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2018 were cancer, hypertension, high cholesterol and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2019 were cancer, high cholesterol, hypertension and diabetes.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2020 were cancer, high cholesterol, hypertension and depression.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2021 were high cholesterol, cancer, hypertension and depression.

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 Rehoboth Beach, 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

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2022 were high cholesterol, cancer, hypertension and osteoperosis.

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

2023 Medicare Procedure Volume

The top procedures that Dr. Diana Dickson-Witmer, MD treated as a general surgeon in Rehoboth Beach, DE during 2023 were breast procedures, diagnostic procedures, excision and minor procedures.

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

breast procedures 76
cancer surgery 35
diagnostic procedures 61
doctor visit 361
excision 55
image guided procedures 41
lymph node procedures 41
minimally invasive procedures 41
minor procedures 41
open surgery 20

2023 Medicare Patient Data

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

Ethnicity
Non-Hispanic White 252
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 171
From 75 to 84 86
85 and over 0
Less than 65 0

Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD in 2023

The most common conditions of Medicare patients that Dr. Diana Dickson-Witmer, MD treated during 2023 were cancer, high cholesterol, hypertension and osteoperosis.

Hypertension 64
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 18
Depression 17
Chronic Kidney Disease 13
Asthma 11
Osteoperosis 25
Atrial Fibrilation 8
Heart Failure 6
Chronic Obstructive Pulmonary Disease 10
Diabetes 15
Dementia 0
Cancer 75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

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 Rehoboth Beach, DE were breast procedures, diagnostic procedures, excision and lymph node procedures.

aspiration 12
breast procedures 137
cancer surgery 53
catheterization 14
diagnostic procedures 113
doctor visit 449
excision 111
image guided procedures 73
lymph node procedures 80
minimally invasive procedures 73
minor procedures 73
open surgery 64
plastic surgery procedures 15
reconstructive surgery 15
tissue transfer 18
ultrasound (sonogram) 49
women's imaging 49
wound repair (e.g. stitches) 18

Average Medicare Patient Data From 2013 - 2023

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

Gender
Female 15
Male 0
Ethnicity
Black / African American 67
Asian / Pacific Islander 0
Non-Hispanic White 289
Hispanic 4
Native American / Alaskan Native 0
Other 0
Age
85 and over 17
75 to 84 110
Less than 65 33
65 to 74 216

Average of Total of Conditions of Medicare patients treated by Dr. Diana Dickson-Witmer, MD From 2013 - 2023

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

Hypertension 68
High Cholesterol 67
Stroke 1
Ischemic Heart Disease 22
Depression 23
Chronic Kidney Disease 17
Asthma 11
Osteoporosis 14
Heart Failure 9
Chronic Obstructive Pulmonary Disease 8
Diabetes 29
Atrial Fibrillation 8
Cancer 67
Dementia 4

Education & Training

Dr. Diana Dickson-Witmer, MD graduated from University of Florida College of Medicine in 1976. She has a state license in Delaware.

Medical School: University of Florida College of Medicine (1976)

Licensed In: Delaware

Affiliations & Hospitals

Dr. Diana Dickson-Witmer, MD is associated with these hospitals and organizations:

BEEBE PHYSICIAN NETWORK INC

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 general surgery specialist in Wilmington, DE and Rehoboth Beach, DE. Dr. Dickson-Witmer graduated from the University of Florida College of Medicine. She welcomes new patients at her office inRehoboth Beach, DE as reported by Doctor.com.

Other Providers in Rehoboth Beach, DE