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Dr. Gary Timmerman, MD

Accepting New Patients

(Gary Timmerman, MD)

(38 Ratings)

Specializes in: General Practice

Washington University in St. Louis School of Medicine

1508 W. 22nd Street
Sioux Falls, SD 57105

(605) 328-3840

Dr. Gary Timmerman, MD is a general practitioner in Sioux Falls, SD specializing in general practice. He graduated from Washington University in St. Louis School of Medicine. Dr. Gary Timmerman, MD is affiliated with Sanford Health and Sanford Center for Digestive Health.

Office Locations

1211 S. Grange Avenue
Sioux Falls, SD 57105

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Sanford Health

1508 W. 22nd Street
Sioux Falls, SD 57105

(605) 328-3840

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In The News

“"This is entirely in my lane," said Gary Timmerman, a trauma surgeon and gun owner from Sioux Falls, South Dakota, who helped compile the recommendations.”—"Surgeons, doctors refuse to "stay in their lane" on gun control issues", The Denver Post, November 2018

“"Victims can quickly die from uncontrolled bleeding, within five or 10 minutes," said Dr. Gary Timmerman, a Sioux Falls-based regent for the American College of Surgeons, in a signed letter by...”—"Schools prep for shootings with first-aid training", Associated Press News, June 2018

“Surgeon Dr. Gary Timmerman bent low nearby, pulling up the covers for his patient, tucking her into bed, lingering there until he knew she had everything she needed.”—"USD Sanford surgeon leads residency's return", The Washington Times, June 2015

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2012 were hospital care, inpatient care, endocrine surgery and neck surgery.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	15
doctor visit	71
endocrine surgery	17
gastrointestinal procedures	15
hospital care	97
inpatient care	97
minimally invasive procedures	15
neck surgery	17
removal of lesion (e.g. growth)	15

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2013 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	17
doctor visit	63
gastrointestinal procedures	17
minimally invasive procedures	17
removal of lesion (e.g. growth)	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	42
Female	72

**Age**
From 65 to 74	53
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2013

Hypertension	61
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	30
Depression	16
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	0
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2014 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	12
doctor visit	28
gastrointestinal procedures	12
minimally invasive procedures	12
removal of lesion (e.g. growth)	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	41
Female	63

**Age**
From 65 to 74	48
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2014

Hypertension	63
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	16
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Dementia	0
Cancer	23

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2015 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	14
doctor visit	31
gastrointestinal procedures	14
minimally invasive procedures	14
removal of lesion (e.g. growth)	14

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	76
Female	106

**Age**
From 65 to 74	112
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2015

Hypertension	63
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	21
Asthma	15
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2016 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	13
doctor visit	32
gastrointestinal procedures	13
minimally invasive procedures	13
removal of lesion (e.g. growth)	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	48
Female	56

**Age**
From 65 to 74	52
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2016

Hypertension	72
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	44
Depression	25
Chronic Kidney Disease	45
Asthma	24
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2017 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	15
doctor visit	22
gastrointestinal procedures	15
minimally invasive procedures	15
removal of lesion (e.g. growth)	15

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	29
Female	48

**Age**
From 65 to 74	42
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	0
Cancer	30

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD during 2018 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

diagnostic procedures	19
doctor visit	35
endocrine surgery	11
gastrointestinal procedures	19
minimally invasive procedures	19
neck surgery	11
removal of lesion (e.g. growth)	19

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	28
Female	49

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2018

Hypertension	69
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	22
Diabetes	23
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

doctor visit	33

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	27
Female	39

**Age**
From 65 to 74	40
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2019

Hypertension	62
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	22
Female	21

**Age**
From 65 to 74	28
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Timmerman, MD in 2020

Hypertension	56
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	35
Depression	0
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. Gary Timmerman, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Timmerman, MD treated as a general practitioner in Sioux Falls, SD were hospital care, inpatient care, minimally invasive procedures and removal of lesion (e.g. growth).

diagnostic procedures	15
doctor visit	39
endocrine surgery	14
gastrointestinal procedures	15
hospital care	97
inpatient care	97
minimally invasive procedures	15
neck surgery	14
removal of lesion (e.g. growth)	15

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. Gary Timmerman, MD.

**Gender**
Male	34
Female	50

**Age**
75 to 84	17
85 and over	0
Less than 65	0
65 to 74	46

Average of Total of Conditions of Medicare patients treated by Dr. Gary Timmerman, MD From 2012 - 2020

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

Hypertension	57
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	29
Depression	17
Chronic Kidney Disease	26
Asthma	5
Osteoporosis	4
Heart Failure	5
Chronic Obstructive Pulmonary Disease	11
Diabetes	25
Atrial Fibrillation	3
Dementia	0
Cancer	16

Education & Training

Dr. Gary Timmerman, MD graduated from Washington University in St. Louis School of Medicine. He completed residency at Rush University Medical Center. He is certified by the American Board of Surgery and has a state license in South Dakota.

Medical School: Washington University in St. Louis School of Medicine

Residency: Rush University Medical Center

Board Certification: American Board of Surgery

Licensed In: South Dakota

Affiliations & Hospitals

Dr. Gary Timmerman, MD is associated with these hospitals and organizations:

Sanford Health

Sanford Center for Digestive Health

Ratings & Reviews

Dr. Gary Timmerman, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 38 ratings. We collect ratings and reviews of Dr. Gary Timmerman, MD from all over the web to help you find the right in Sioux Falls, SD.

4.9

Overall Rating

(38 Ratings)

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General Payments

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

**Payments by Company**
Davol Inc.	$207 SURGICAL $138	PHASIX $31	DAV-Phasix $23	VENTRIO $14
Intuitive Surgical, Inc.	$182 Da Vinci Surgical System $182
Covidien LP	$131 Situate $101	LigaSure $15	$15
Ethicon US, LLC	$127 SURGICEL Family of Absorbable Hemostats $67	STRATAFIX $59
LIFECELL CORPORATION	$120 AlloDerm $64	STRATTICE $40	Spy $17
Other	$836 OFIRMEV $141	RECTIV $75	ENTEREG $63	Ovitex $51	STRATTICE $39	Other $468

**Types of Payments**
Food and Beverage	$1,417
Education	$101
Travel and Lodging	$79
Entertainment	$6

Biography

Dr. Gary Timmerman's area of specialization is general practice. He is professionally affiliated with Sanford Health. Before performing his residency at Rush University Medical Center, Dr. Timmerman attended Washington University in St. Louis School of Medicine. Dr. Timmerman is rated highly by his patients. He has received the following distinction: Guardian Angel Award. According to Yext, new patients are welcome to contact his office in Sioux Falls, SD.