Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MO Providers

Dr. Michael D. Williams, MD

(5 Ratings)

Specializes in: Adult Gastroenterology

University of Missouri-Columbia School of Medicine (2003)

210 Portland Street Suite 100
Columbia, MO 65201

(573) 777-8818

Dr. Michael D. Williams, MD is a gastroenterologist in Columbia, MO specializing in adult gastroenterology. He graduated from University of Missouri-Columbia School of Medicine in 2003 and has 23 years of experience. Dr. Michael D. Williams, MD is affiliated with GASTROINTESTINAL ASSOCIATES, LLP and BOONE PHYSICIAN SERVICES LLC.

Office Locations

210 Portland Street Suite 100
Columbia, MO 65201

(573) 777-8818

(573) 777-8819

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Michael D. Williams, MD in 2023

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

Top 10%

By Volume:

chronic care

colonoscopy with biopsy

colonoscopy with lesion removal

gastrointestinal biopsy

removal of lesion

In 2023, Dr. Michael D. Williams, MD performed more chronic care, colonoscopy with biopsy, colonoscopy with lesion removal, gastrointestinal biopsy, and removal of lesion (e.g. growth) procedures for Medicare patients than 90% of providers in related specialties within Missouri.

Top 25%

By Volume:

colonoscopy

EGD with biopsy

EGD with lesion removal

esophageal balloon dilation

gastrointestinal procedures

minimally invasive procedures

By Affordability:

balloon dilation

diagnostic EGD

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophageal balloon dilation

esophagogastroduodenoscopy

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2012, among providers in related specialties within Missouri, Dr. Michael D. Williams, MD performed more colonoscopy, EGD with biopsy, EGD with lesion removal, esophageal balloon dilation, gastrointestinal procedures, and minimally invasive procedures procedures for Medicare patients than 75% of them and he also had a list price for balloon dilation, diagnostic EGD, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophageal balloon dilation, esophagogastroduodenoscopy (EGD), therapeutic EGD, therapeutic upper endoscopy, upper endoscopy, upper endoscopy with biopsy, and upper endoscopy with lesion removal 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. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

blood draw	39
diagnostic procedures	184
doctor visit	93
gastrointestinal procedures	205
minimally invasive procedures	205
preventive care	21
removal of lesion (e.g. growth)	184

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

blood draw	36
diagnostic procedures	274
doctor visit	127
gastrointestinal procedures	286
minimally invasive procedures	286
preventive care	12
removal of lesion (e.g. growth)	274

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	106
Female	163

**Ethnicity**
Non-Hispanic White	193
Black	49
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	64
85 and over	12
Less than 65	31

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2013

Hypertension	55
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	14
Asthma	7
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2014 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

blood draw	34
diagnostic procedures	332
doctor visit	133
gastrointestinal procedures	332
hospital care	11
inpatient care	11
minimally invasive procedures	344
removal of lesion (e.g. growth)	332

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	141
Female	163

**Ethnicity**
Non-Hispanic White	226
Black	47
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	80
85 and over	20
Less than 65	27

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2014

Hypertension	52
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

diagnostic procedures	380
doctor visit	165
gastrointestinal procedures	394
hospital care	16
injections	14
inpatient care	16
minimally invasive procedures	394
removal of lesion (e.g. growth)	380

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	300
Female	410

**Ethnicity**
Non-Hispanic White	562
Black	82
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	392
From 75 to 84	226
85 and over	40
Less than 65	52

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2015

Hypertension	48
High Cholesterol	43
Stroke	4
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

diagnostic procedures	406
doctor visit	133
gastrointestinal procedures	437
hospital care	49
inpatient care	49
minimally invasive procedures	437
preventive care	13
removal of lesion (e.g. growth)	406

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	178
Female	223

**Ethnicity**
Non-Hispanic White	309
Black	59
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	110
85 and over	21
Less than 65	32

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2016

Hypertension	52
High Cholesterol	40
Stroke	4
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Dementia	6
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

diagnostic procedures	364
doctor visit	103
gastrointestinal procedures	408
injections	11
minimally invasive procedures	408
preventive care	18
removal of lesion (e.g. growth)	364

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	158
Female	209

**Ethnicity**
Non-Hispanic White	312
Black	31
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	114
85 and over	28
Less than 65	35

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2017

Hypertension	65
High Cholesterol	41
Stroke	6
Ischemic Heart Disease	29
Depression	25
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

balloon dilation	35
biological response modifier (BRM) therapy	15
chemotherapy	15
diagnostic procedures	518
doctor visit	139
esophageal dilation	35
gastrointestinal procedures	612
hospital care	115
injections	14
inpatient care	115
minimally invasive procedures	651
preventive care	15
removal of lesion (e.g. growth)	518

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	233
Female	326

**Ethnicity**
Non-Hispanic White	535
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	163
85 and over	77
Less than 65	53

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2018

Hypertension	73
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

balloon dilation	23
biological response modifier (BRM) therapy	21
chemotherapy	21
diagnostic procedures	534
doctor visit	190
esophageal dilation	23
gastrointestinal procedures	590
hospital care	12
inpatient care	12
minimally invasive procedures	654
preventive care	17
removal of lesion (e.g. growth)	534

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	200
Female	271

**Ethnicity**
Non-Hispanic White	453
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	234
From 75 to 84	135
85 and over	58
Less than 65	44

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2019

Hypertension	71
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

balloon dilation	24
biological response modifier (BRM) therapy	32
chemotherapy	32
diagnostic procedures	379
doctor visit	160
esophageal dilation	24
gastrointestinal procedures	444
minimally invasive procedures	503
preventive care	16
removal of lesion (e.g. growth)	379

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	168
Female	219

**Ethnicity**
Non-Hispanic White	362
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	92
85 and over	35
Less than 65	39

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2020

Hypertension	70
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	35
Depression	29
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

balloon dilation	51
diagnostic procedures	553
doctor visit	130
esophageal dilation	51
gastrointestinal procedures	644
minimally invasive procedures	740
preventive care	17
removal of lesion (e.g. growth)	553

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	221
Female	305

**Ethnicity**
Non-Hispanic White	502
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	152
85 and over	47
Less than 65	34

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2021

Hypertension	64
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	32
Depression	23
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

balloon dilation	39
chronic care	99
diagnostic procedures	503
doctor visit	126
esophageal dilation	39
gastrointestinal procedures	585
minimally invasive procedures	621
preventive care	43
removal of lesion (e.g. growth)	503

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	212
Female	299

**Ethnicity**
Non-Hispanic White	487
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	151
85 and over	32
Less than 65	38

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2022

Hypertension	69
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	4
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael D. Williams, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael D. Williams, MD treated as a gastroenterologist in Columbia, MO were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

balloon dilation	34
biological response modifier (BRM) therapy	22
blood draw	36
chemotherapy	22
chronic care	99
diagnostic procedures	402
doctor visit	136
esophageal dilation	34
gastrointestinal procedures	448
hospital care	40
injections	13
inpatient care	40
minimally invasive procedures	476
preventive care	19
removal of lesion (e.g. growth)	402

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael D. Williams, MD.

**Gender**
Male	174
Female	235

**Ethnicity**
Black / African American	26
Asian / Pacific Islander	0
Non-Hispanic White	358
Hispanic	2
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	117
85 and over	33
Less than 65	35
65 to 74	223

Average of Total of Conditions of Medicare patients treated by Dr. Michael D. Williams, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Michael D. Williams, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	56
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	22
Asthma	7
Osteoporosis	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Atrial Fibrillation	11
Cancer	13
Dementia	6

Education & Training

Dr. Michael D. Williams, MD graduated from University of Missouri-Columbia School of Medicine in 2003. He has a state license in Missouri.

Medical School: University of Missouri-Columbia School of Medicine (2003)

Licensed In: Missouri

Affiliations & Hospitals

Dr. Michael D. Williams, MD is associated with these hospitals and organizations:

GASTROINTESTINAL ASSOCIATES, LLP

BOONE PHYSICIAN SERVICES LLC

Ratings & Reviews

Dr. Michael D. Williams, MD has a high overall rating with an average of 4.2 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Michael D. Williams, MD from all over the web to help you find the right in Columbia, MO.

4.2

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
AbbVie Inc.	$1,764 Skyrizi $388	LINZESS $325	Humira $288	Creon $278	Rinvoq $266	Other $218
Janssen Biotech, Inc.	$941 STELARA $923	SIMPONI ARIA $18
Takeda Pharmaceuticals U.S.A., Inc.	$860 ENTYVIO $630	AMITIZA $78	Dexilant $47	MOTEGRITY $44	GATTEX $15	Other $46
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$570 Trulance $275	XIFAXAN $254	Uceris $27	XIFAXANIBSD $14
Gilead Sciences, Inc.	$494 $494
Other	$4,260 AVSOLA $370	ZEPOSIA $355	ZENPEP $352	XELJANZ $242	LINX $209	Other $2,733

**Types of Payments**
Food and Beverage	$8,669
Consulting Fee	$150
Education	$70

Biography

Dr. Michael Williams' specialty is adult gastroenterology. His patients gave him an average rating of 4.0 stars (out of 5). He attended medical school at the University of Missouri-Columbia School of Medicine.

Select Year:

Dr. Michael D. Williams, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Michael D. Williams, MD 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. Michael D. Williams, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Michael D. Williams, 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. Michael D. Williams, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Columbia, MO