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Dr. David Maddock, MD

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Specializes in: Adult Gastroenterology

Trinity College Dublin School of Medicine

289 Pleasant Street Building 4/ Suite 501
Fall River, MA 02721

(508) 679-6611

Dr. David Maddock, MD is a gastroenterologist in Fall River, MA specializing in adult gastroenterology. He graduated from Trinity College Dublin School of Medicine. Dr. David Maddock, MD is affiliated with Revere Medical, Brown University Health, Prima CARE P.C. and St. Anne's Hospital.

Office Locations

St. Anne's Hospital

289 Pleasant Street Building 4/ Suite 501
Fall River, MA 02721

(508) 679-6611

(508) 679-1218

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Noteworthy Medicare Patient Procedures Performed by Dr. David Maddock, MD in 2023

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

Top 5%

By Volume:

antibody tests

blood draw

hepatitis B core IgM antibody testing

hepatitis C antibody screening

lab tests

phlebotomy for lab tests

preventive care

prothrombin time test

screening colonoscopy

serum folate test

thyroid blood test

By Affordability:

bilirubin test

blood count tests

C-reactive protein testing

hepatitis B antibody testing

hepatitis B core antibody testing

hepatitis B core IgM antibody testing

hepatitis B testing

hepatitis C antibody screening

hepatitis C screening

thyroid function tests

vitamin D test

In 2023, among providers in related specialties within Massachusetts, Dr. David Maddock, MD performed more antibody tests, blood draw, hepatitis B core IgM antibody testing, hepatitis C antibody screening, lab tests, phlebotomy for lab tests, preventive care, prothrombin time (PT) test, screening colonoscopy, serum folate test, and thyroid blood test procedures for Medicare patients than 95% of them and he also had a list price for bilirubin test, blood count tests, C-reactive protein testing, hepatitis B antibody testing, hepatitis B core antibody testing, hepatitis B core IgM antibody testing, hepatitis B testing, hepatitis C antibody screening, hepatitis C screening, hepatitis C testing, liver panel, metabolic panel, thyroid blood test, thyroid function tests, and vitamin D test that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

gastrointestinal procedures

In 2023, Dr. David Maddock, MD performed more gastrointestinal procedures procedures for Medicare patients than 90% of providers in related specialties within Massachusetts.

Top 25%

By Volume:

blood glucose tests

colonoscopy

EGD with biopsy

EGD with lesion removal

endoscopy

gastrointestinal biopsy

removal of lesion

By Affordability:

blood draw

blood draw for lab tests

blood glucose self-monitoring

finger stick glucose test

glucose monitoring

liver function tests

phlebotomy for lab tests

venipuncture

In 2012, among providers in related specialties within Massachusetts, Dr. David Maddock, MD performed more blood glucose tests, colonoscopy, EGD with biopsy, EGD with lesion removal, endoscopy, gastrointestinal biopsy, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of them and he also had a list price for blood draw, blood draw for lab tests, blood glucose self-monitoring, finger stick glucose test, glucose monitoring, liver function tests (LFTs), phlebotomy for lab tests, and venipuncture (phlebotomy) 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 Maddock, MD treated as a gastroenterologist in Fall River, MA during 2012 were gastrointestinal procedures, minimally invasive procedures, inpatient care and hospital care.

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

anastomosis	11
blood draw	69
catheterization	11
diagnostic procedures	382
doctor visit	442
esophageal dilation	27
gastrointestinal procedures	716
hospital care	464
hydrogen breath test	14
inpatient care	464
lab tests	40
methane breath test	14
minimally invasive procedures	716
preventive care	232
removal of lesion (e.g. growth)	382
thyroid function tests	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

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

blood draw	59
diagnostic procedures	329
doctor visit	391
esophageal dilation	27
gastrointestinal procedures	600
hospital care	326
hydrogen breath test	11
inpatient care	326
lab tests	22
methane breath test	11
minimally invasive procedures	600
preventive care	185
removal of lesion (e.g. growth)	329

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	396
Female	458

**Ethnicity**
Non-Hispanic White	781
Black	0
Hispanic	44
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	313
From 75 to 84	192
85 and over	99
Less than 65	250

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

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	40
Depression	40
Chronic Kidney Disease	27
Asthma	16
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2014 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

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

blood draw	66
diagnostic procedures	337
doctor visit	383
esophageal dilation	28
gastrointestinal procedures	599
hospital care	294
hydrogen breath test	13
inpatient care	294
lab tests	84
methane breath test	13
minimally invasive procedures	599
preventive care	180
removal of lesion (e.g. growth)	337
thyroid function tests	47

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	354
Female	432

**Ethnicity**
Non-Hispanic White	709
Black	0
Hispanic	48
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	201
85 and over	79
Less than 65	219

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

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	39
Depression	41
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2015 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

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

blood draw	119
diagnostic procedures	355
doctor visit	485
esophageal dilation	35
gastrointestinal procedures	685
hospital care	337
hydrogen breath test	15
inpatient care	337
lab tests	165
methane breath test	15
minimally invasive procedures	685
preventive care	200
removal of lesion (e.g. growth)	355
thyroid function tests	66

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	822
Female	906

**Ethnicity**
Non-Hispanic White	1538
Black	0
Hispanic	114
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	614
From 75 to 84	390
85 and over	202
Less than 65	522

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

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	38
Depression	41
Chronic Kidney Disease	34
Asthma	20
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2016 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

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

balloon dilation	34
blood draw	91
diagnostic procedures	318
doctor visit	560
esophageal dilation	50
gastrointestinal procedures	647
hospital care	301
hydrogen breath test	16
inpatient care	301
lab tests	127
methane breath test	16
minimally invasive procedures	647
preventive care	165
removal of lesion (e.g. growth)	318
thyroid function tests	40

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	384
Female	433

**Ethnicity**
Non-Hispanic White	741
Black	0
Hispanic	44
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	312
From 75 to 84	174
85 and over	67
Less than 65	264

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

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	41
Depression	40
Chronic Kidney Disease	39
Asthma	31
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2017 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

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

balloon dilation	32
blood draw	86
diagnostic procedures	310
doctor visit	479
esophageal dilation	32
gastrointestinal procedures	623
hospital care	388
inpatient care	388
lab tests	116
minimally invasive procedures	623
preventive care	194
removal of lesion (e.g. growth)	310
thyroid function tests	12

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	400
Female	488

**Ethnicity**
Non-Hispanic White	768
Black	0
Hispanic	72
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	324
From 75 to 84	190
85 and over	103
Less than 65	271

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

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	40
Depression	41
Chronic Kidney Disease	41
Asthma	17
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2018 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

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

balloon dilation	34
blood draw	94
diagnostic procedures	321
doctor visit	549
esophageal dilation	34
gastrointestinal procedures	616
hospital care	348
inpatient care	348
lab tests	207
minimally invasive procedures	616
preventive care	183
removal of lesion (e.g. growth)	321
thyroid function tests	50

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	407
Female	484

**Ethnicity**
Non-Hispanic White	773
Black	0
Hispanic	72
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	195
85 and over	86
Less than 65	246

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

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	38
Depression	43
Chronic Kidney Disease	41
Asthma	18
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

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

balloon dilation	34
blood draw	98
diagnostic procedures	303
doctor visit	572
esophageal dilation	34
gastrointestinal procedures	611
hospital care	231
inpatient care	231
lab tests	182
minimally invasive procedures	611
preventive care	187
removal of lesion (e.g. growth)	303

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	415
Female	493

**Ethnicity**
Non-Hispanic White	798
Black	0
Hispanic	75
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	354
From 75 to 84	194
85 and over	80
Less than 65	280

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

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	37
Depression	43
Chronic Kidney Disease	35
Asthma	17
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	27
Diabetes	36
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2020 were lab tests, gastrointestinal procedures, minimally invasive procedures and diagnostic procedures.

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

balloon dilation	42
blood draw	178
diabetes management	39
diagnostic procedures	255
doctor visit	274
esophageal dilation	42
gastrointestinal procedures	494
hospital care	132
inpatient care	132
lab tests	679
minimally invasive procedures	494
preventive care	148
removal of lesion (e.g. growth)	255
thyroid function tests	32

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	327
Female	422

**Ethnicity**
Non-Hispanic White	637
Black	0
Hispanic	67
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	154
85 and over	62
Less than 65	229

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

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	34
Depression	39
Chronic Kidney Disease	39
Asthma	16
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2021 were lab tests, gastrointestinal procedures, minimally invasive procedures and blood draw.

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

balloon dilation	58
blood draw	378
diabetes management	55
diagnostic procedures	333
doctor visit	318
esophageal dilation	58
gastrointestinal procedures	713
hospital care	63
hydrogen breath test	32
injections	26
inpatient care	63
lab tests	1533
methane breath test	32
minimally invasive procedures	713
preventive care	271
removal of lesion (e.g. growth)	333
thyroid function tests	65

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	434
Female	628

**Ethnicity**
Non-Hispanic White	911
Black	14
Hispanic	86
Asian	0
Other	39
Native American	0

**Age**
From 65 to 74	453
From 75 to 84	235
85 and over	51
Less than 65	323

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

Hypertension	71
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	30
Depression	37
Chronic Kidney Disease	35
Asthma	16
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA during 2022 were lab tests, blood draw, gastrointestinal procedures and minimally invasive procedures.

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

balloon dilation	25
blood draw	622
diabetes management	63
diagnostic procedures	317
doctor visit	286
esophageal dilation	25
gastrointestinal procedures	602
hospital care	37
hydrogen breath test	17
inpatient care	37
lab tests	2359
methane breath test	17
minimally invasive procedures	602
preventive care	291
removal of lesion (e.g. growth)	317
thyroid function tests	91

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	440
Female	658

**Ethnicity**
Non-Hispanic White	927
Black	0
Hispanic	114
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	468
From 75 to 84	229
85 and over	56
Less than 65	345

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

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	24
Depression	35
Chronic Kidney Disease	20
Asthma	22
Osteoperosis	17
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. David Maddock, MD treated as a gastroenterologist in Fall River, MA were gastrointestinal procedures, minimally invasive procedures, lab tests and diagnostic procedures.

anastomosis	11
balloon dilation	37
blood draw	169
catheterization	11
diabetes management	52
diagnostic procedures	323
doctor visit	430
esophageal dilation	35
gastrointestinal procedures	627
hospital care	265
hydrogen breath test	16
injections	26
inpatient care	265
lab tests	501
methane breath test	16
minimally invasive procedures	627
preventive care	203
removal of lesion (e.g. growth)	323
thyroid function tests	46

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Maddock, MD.

**Gender**
Male	398
Female	491

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	780
Native American / Alaskan Native	0
Hispanic	66
Other	22

**Age**
75 to 84	195
85 and over	80
Less than 65	268
65 to 74	344

Average of Total of Conditions of Medicare patients treated by Dr. David Maddock, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. David Maddock, MD treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	67
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	32
Depression	36
Chronic Kidney Disease	30
Asthma	17
Osteoporosis	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Atrial Fibrillation	13
Dementia	11
Cancer	12

Education & Training

Dr. David Maddock, MD graduated from Trinity College Dublin School of Medicine. He completed residency at Rhode Island Hospital. He is certified by the Certified in Internal Medicine American Board of Internal Medicine and has a state license in Massachusetts.

Medical School: Trinity College Dublin School of Medicine

Residency: Rhode Island Hospital

Board Certification: Certified in Internal Medicine American Board of Internal Medicine

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. David Maddock, MD is associated with these hospitals and organizations:

Revere Medical

Brown University Health

Prima CARE P.C.

St. Anne's Hospital

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,295 Humira $710	Creon $277	Mavyret $94	Lupron $84	Viekira $53	Other $78
Janssen Biotech, Inc.	$609 STELARA $316	SIMPONI $125	REMICADE $77	SIMPONI ARIA $53	OLYSIO $38
Takeda Pharmaceuticals America, Inc.	$601 ENTYVIO $399	AMITIZA $118	Dexilant $56	Contrave $16	$13
Salix Pharmaceuticals, Ltd	$576 APRISO $267	Uceris $116	Relistor $104	XIFAXAN 550 MG TABLETS $84	XIFAXAN - 550MG $6
Takeda Pharmaceuticals U.S.A., Inc.	$557 ENTYVIO $354	MOTEGRITY $122	AMITIZA $23	Dexilant $12	$47
Other	$5,154 XIFAXAN $509	INFLECTRA $373	Cimzia $315	LINZESS $264	REMICADE $250	Other $3,443

**Types of Payments**
Food and Beverage	$8,666
Education	$126

Biography

Dr. David Maddock's medical specialty is adult gastroenterology. Before completing his residency at Rhode Island Hospital, Dr. Maddock attended medical school at Trinity College Dublin School of Medicine. He is conversant in Portuguese. He is professionally affiliated with Prima CARE P.C., Revere Medical, and Brown University Health. According to Revere Medical, Dr. Maddock is currently accepting new patients at his office in Fall River, MA.