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Dr. Assar Ahmed Rather, MD, FACS

Accepting New Patients

(117 Ratings)

Specializes in: General Surgery and Colon & Rectal Surgery

Professional interests include: colorectal surgery procedures

724 SOUTH NEW STREET
DOVER, DE 19904

(302) 674-4070

Dr. Assar Ahmed Rather, MD, FACS is a general surgeon in DOVER, DE specializing in general surgery and colon & rectal surgery. Dr. Assar Ahmed Rather, MD, FACS is affiliated with Bayhealth and BAYHEALTH MEDICAL CENTER, INC.

Office Locations

724 SOUTH NEW STREET
DOVER, DE 19904

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In The News

“Bayhealth's Rectal Cancer Program is a partnership between the Bayhealth General Surgery and Bayhealth Cancer Institute teams and is led by General and Colorectal Surgeon Assar Rather, MD. "I am...”—"Bayhealth Again Earns Accreditation for Rectal Cancer Program", Cape Gazette, November 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Assar Ahmed Rather, MD, FACS in 2023

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

Top 5%

By Volume:

EGD with biopsy

EGD with lesion removal

In 2023, Dr. Assar Ahmed Rather, MD, FACS performed more EGD with biopsy, and EGD with lesion removal procedures for Medicare patients than 95% of providers in related specialties within Delaware.

Top 25%

By Volume:

biopsy

endoscopy

gastrointestinal endoscopy

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Delaware, Dr. Assar Ahmed Rather, MD, FACS performed more biopsy, endoscopy, and gastrointestinal (GI) endoscopy procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

doctor visit	209
gastrointestinal procedures	51
hospital care	282
inpatient care	282
minimally invasive procedures	51
preventive care	17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

abdominal surgery	11
catheterization	11
doctor visit	295
gastrointestinal procedures	45
hospital care	229
inpatient care	229
minimally invasive procedures	45

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	141
Female	180

**Ethnicity**
Non-Hispanic White	230
Black	77
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	95
85 and over	28
Less than 65	59

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2013

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	13
Cancer	24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

anastomosis	12
catheterization	12
diagnostic procedures	33
doctor visit	353
gastrointestinal procedures	93
hospital care	372
inpatient care	372
minimally invasive procedures	93
removal of lesion (e.g. growth)	33

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	181
Female	212

**Ethnicity**
Non-Hispanic White	299
Black	71
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	119
85 and over	44
Less than 65	55

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2014

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	5
Atrial Fibrilation	20
Heart Failure	24
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	13
Cancer	25

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2015 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

abdominal surgery	15
anorectal procedures	12
diagnostic procedures	67
doctor visit	390
excision	12
gastrointestinal procedures	127
hospital care	114
inpatient care	114
minimally invasive procedures	115
removal of lesion (e.g. growth)	67

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	350
Female	348

**Ethnicity**
Non-Hispanic White	532
Black	130
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	208
85 and over	54
Less than 65	104

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2015

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	36
Asthma	20
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

abdominal surgery	16
diagnostic procedures	27
doctor visit	381
gastrointestinal procedures	62
hospital care	136
inpatient care	136
minimally invasive procedures	62
removal of lesion (e.g. growth)	27

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	136
Female	196

**Ethnicity**
Non-Hispanic White	255
Black	66
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	109
85 and over	50
Less than 65	45

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2016

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	44
Asthma	27
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	27
Diabetes	36
Dementia	13
Cancer	31

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	37
doctor visit	441
gastrointestinal procedures	56
hospital care	178
inpatient care	178
minimally invasive procedures	56
preventive care	19
removal of lesion (e.g. growth)	37

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	185
Female	191

**Ethnicity**
Non-Hispanic White	295
Black	61
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	114
85 and over	34
Less than 65	62

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2017

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	39
Depression	21
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	12
Cancer	29

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	33
doctor visit	316
gastrointestinal procedures	71
hospital care	134
inpatient care	134
minimally invasive procedures	71
preventive care	21
removal of lesion (e.g. growth)	33

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	136
Female	186

**Ethnicity**
Non-Hispanic White	241
Black	68
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	99
85 and over	30
Less than 65	47

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2018

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	11
Cancer	30

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	81
doctor visit	336
gastrointestinal procedures	133
hospital care	79
injections	15
inpatient care	79
minimally invasive procedures	133
preventive care	25
removal of lesion (e.g. growth)	81

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	165
Female	184

**Ethnicity**
Non-Hispanic White	268
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	100
85 and over	26
Less than 65	56

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2019

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	35
Depression	23
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	10
Cancer	30

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	45
doctor visit	294
gastrointestinal procedures	65
hospital care	74
inpatient care	74
minimally invasive procedures	65
preventive care	20
removal of lesion (e.g. growth)	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	129
Female	159

**Ethnicity**
Non-Hispanic White	225
Black	51
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	97
85 and over	25
Less than 65	37

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2020

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	40
Dementia	11
Cancer	27

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2021 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	75
doctor visit	308
gastrointestinal procedures	98
hospital care	87
inpatient care	87
minimally invasive procedures	98
preventive care	23
removal of lesion (e.g. growth)	75

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	149
Female	186

**Ethnicity**
Non-Hispanic White	273
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	104
85 and over	34
Less than 65	30

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	28
Diabetes	34
Dementia	9
Cancer	32

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

diagnostic procedures	66
doctor visit	331
gastrointestinal procedures	94
hospital care	34
inpatient care	34
minimally invasive procedures	94
preventive care	28
removal of lesion (e.g. growth)	66

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	133
Female	149

**Ethnicity**
Non-Hispanic White	237
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	103
85 and over	24
Less than 65	24

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	16
Chronic Obstructive Pulmonary Disease	26
Diabetes	30
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Assar Ahmed Rather, MD, FACS for Medicare patients.

The highest averages for the top procedures that Dr. Assar Ahmed Rather, MD, FACS treated as a general surgeon in DOVER, DE were inpatient care, hospital care, gastrointestinal procedures and minimally invasive procedures.

abdominal surgery	14
anastomosis	12
anorectal procedures	12
catheterization	11
diagnostic procedures	51
doctor visit	332
excision	12
gastrointestinal procedures	81
hospital care	156
injections	15
inpatient care	156
minimally invasive procedures	80
preventive care	21
removal of lesion (e.g. growth)	51

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS.

**Gender**
Male	155
Female	181

**Ethnicity**
Black / African American	60
Asian / Pacific Islander	0
Non-Hispanic White	259
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	104
85 and over	31
Less than 65	47
65 to 74	152

Average of Total of Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Assar Ahmed Rather, MD, FACS treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	38
Asthma	12
Osteoporosis	7
Heart Failure	16
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Atrial Fibrillation	13
Dementia	9
Cancer	26

Education & Training

He completed residency at Mercy Catholic Medical Center. He is certified by the American Board of Colon and Rectal Surgery American Board of Surgery and has a state license in Delaware.

Residency: Mercy Catholic Medical Center

Board Certification: American Board of Colon and Rectal Surgery American Board of Surgery

Licensed In: Delaware

Affiliations & Hospitals

Dr. Assar Ahmed Rather, MD, FACS is associated with these hospitals and organizations:

Bayhealth

BAYHEALTH MEDICAL CENTER, INC

Ratings & Reviews

Dr. Assar Ahmed Rather, MD, FACS has an exceptional overall rating with an average of 4.5 out of 5 stars based on 117 ratings. We collect ratings and reviews of Dr. Assar Ahmed Rather, MD, FACS from all over the web to help you find the right in DOVER, DE.

4.5

Overall Rating

(117 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-08-27

Patient verified via Press Ganey

Dr. Rather listened to my concerns. He was knowledgeable, helpful and explained future treatment options in detail. He was very understanding and reassuring.

Overall Rating: 5.0 2024-07-26

Patient verified via Press Ganey

Great intake. Very easy to understand what was going on with the procedure.

General Payments

These charts describe general payments received by Dr. Assar Ahmed Rather, MD, FACS. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Intuitive Surgical, Inc.	$8,478 Da Vinci Surgical System $8,478
KCI USA, Inc	$1,068 VAC ULTA $967	VAC VERAFLO $68	ABTHERA $19	BIOSORB $14
Ethicon US, LLC	$415 SURGICEL Family of Absorbable Hemostats $135	STRATAFIX $84	VISTASEAL $40	DERMABOND Portfolio $40	ENSEAL Product Family $34	Other $81
Axonics, Inc.	$297 Axonics $297
Olympus America Inc.	$108 Surgical Endoscopy Products $54	Endoscopy Products $31	Surgical Energy Products $23
Other	$136 Mitra Clip system $48	GATTEX $23	Fuse Full Spectrum Endoscopy System $22	SUR - SIS $15	Smart Port CT $15	Other $12

**Types of Payments**
Education	$5,000
Food and Beverage	$2,834
Travel and Lodging	$2,669

Biography

Dr. Assar Rather is a Dover, DE physician who specializes in general surgery and colon & rectal surgery. He has indicated that his clinical interests include colorectal surgery procedures. Patient reviews placed him at an average of 4.5 stars (out of 5). For his residency, Dr. Rather trained at Mercy Catholic Medical Center. He is affiliated with Bayhealth. Doctor.com reports that Dr. Rather is accepting new patients at his office in DOVER, DE.

Select Year:

Dr. Assar Ahmed Rather, MD, FACS

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Assar Ahmed Rather, MD, FACS in 2023

By Volume:

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. Assar Ahmed Rather, MD, FACS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Assar Ahmed Rather, MD, FACS 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. Assar Ahmed Rather, MD, FACS From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in DOVER, DE