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Dr. Stephen C. Riggs, MD

Accepting New Patients

(111 Ratings)

Specializes in: Bariatric Surgery, Internal Medicine (Adult Medicine), General Pediatrics and Endocrinology

University of Iowa, Carver College of Medicine

Professional interests include: endocrine diseases (hormone disorders), diabetes

236 National Drive
Waterloo, IA 50701

(319) 272-0000

Dr. Stephen C. Riggs, MD is a bariatric surgeon in Waterloo, IA specializing in bariatric surgery, internal medicine (adult medicine), general pediatrics and endocrinology. He graduated from University of Iowa, Carver College of Medicine. Dr. Stephen C. Riggs, MD is affiliated with MercyOne.

Office Locations

236 National Drive
Waterloo, IA 50701

(319) 272-0000

(319) 272-0016

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2710 St. Francis Drive Suite 300
Waterloo, IA 50702

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Noteworthy Medicare Patient Procedures Performed by Dr. Stephen C. Riggs, MD in 2024

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

Top 5%

By Volume:

intensive behavioral therapy for obesity

mental health therapy

In 2024, Dr. Stephen C. Riggs, MD performed more intensive behavioral therapy (IBT) for obesity, and mental health therapy procedures for Medicare patients than 95% of providers in related specialties within Iowa.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2012 were hospital care, inpatient care, outpatient care and stress testing.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

cardiac procedures	17
doctor visit	729
hospital care	175
inpatient care	150
outpatient care	25
stress testing	17

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	751
hospital care	164
inpatient care	136
outpatient care	28

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	536
Female	704

**Ethnicity**
Non-Hispanic White	1135
Black	75
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	377
From 75 to 84	346
85 and over	242
Less than 65	275

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2013

Hypertension	73
High Cholesterol	59
Stroke	7
Ischemic Heart Disease	45
Depression	33
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	786
hospital care	166
inpatient care	151
outpatient care	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	537
Female	709

**Ethnicity**
Non-Hispanic White	1135
Black	84
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	351
From 75 to 84	333
85 and over	271
Less than 65	291

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2014

Hypertension	73
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	46
Depression	36
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	34
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	713
hospital care	186
inpatient care	186

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	530
Female	800

**Ethnicity**
Non-Hispanic White	1238
Black	64
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	374
85 and over	242
Less than 65	254

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2015

Hypertension	67
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	680
hospital care	139
inpatient care	139

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	293
Female	377

**Ethnicity**
Non-Hispanic White	622
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	267
From 75 to 84	174
85 and over	107
Less than 65	122

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2016

Hypertension	70
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	29
Asthma	19
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	666
hospital care	126
inpatient care	126

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	319
Female	368

**Ethnicity**
Non-Hispanic White	642
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	190
85 and over	104
Less than 65	105

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2017

Hypertension	69
High Cholesterol	55
Stroke	2
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	715
hospital care	75
inpatient care	75

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	266
Female	356

**Ethnicity**
Non-Hispanic White	582
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	280
From 75 to 84	164
85 and over	81
Less than 65	97

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2018

Hypertension	68
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2019 were stress testing and cardiac procedures.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

cardiac procedures	13
doctor visit	696
stress testing	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	255
Female	332

**Ethnicity**
Non-Hispanic White	551
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	266
From 75 to 84	193
85 and over	68
Less than 65	60

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2019

Hypertension	72
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2020 were weight management and mental health therapy.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	543
mental health therapy	43
weight management	43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	206
Female	251

**Ethnicity**
Non-Hispanic White	433
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	134
85 and over	49
Less than 65	39

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2020

Hypertension	70
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	38
Depression	22
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	621

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	170
Female	207

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	107
85 and over	63
Less than 65	31

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2021

Hypertension	66
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	29
Asthma	4
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2022 were weight management, mental health therapy and preventive care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	585
mental health therapy	40
preventive care	11
weight management	40

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	172
Female	208

**Ethnicity**
Non-Hispanic White	357
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	111
85 and over	49
Less than 65	25

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	4
Cancer	12

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2023 were weight management, mental health therapy and preventive care.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	493
mental health therapy	35
preventive care	11
weight management	35

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	146
Female	207

**Ethnicity**
Non-Hispanic White	327
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	112
85 and over	39
Less than 65	21

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA during 2024 were weight management and mental health therapy.

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

doctor visit	570
mental health therapy	47
weight management	47

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	169
Female	223

**Ethnicity**
Non-Hispanic White	364
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	119
85 and over	51
Less than 65	17

Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	17
Atrial Fibrilation	19
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	32
Dementia	3
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Stephen C. Riggs, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stephen C. Riggs, MD treated as a bariatric surgeon in Waterloo, IA were hospital care, inpatient care, weight management and mental health therapy.

cardiac procedures	15
doctor visit	657
hospital care	147
inpatient care	137
mental health therapy	41
outpatient care	22
preventive care	11
stress testing	15
weight management	41

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Stephen C. Riggs, MD.

**Gender**
Male	276
Female	364

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	0
Non-Hispanic White	595
Native American / Alaskan Native	0
Hispanic	1
Other	5

**Age**
75 to 84	181
85 and over	105
Less than 65	102
65 to 74	252

Average of Total of Conditions of Medicare patients treated by Dr. Stephen C. Riggs, MD From 2012 - 2024

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

Hypertension	65
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	23
Asthma	7
Osteoporosis	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Atrial Fibrillation	13
Cancer	11
Dementia	8

Education & Training

Dr. Stephen C. Riggs, MD graduated from University of Iowa, Carver College of Medicine. He is certified by the Pediatrics, American Board of Pediatrics and has a state license in Iowa.

Medical School: University of Iowa, Carver College of Medicine

Board Certification: Pediatrics, American Board of Pediatrics

Licensed In: Iowa

Affiliations & Hospitals

Dr. Stephen C. Riggs, MD is associated with these hospitals and organizations:

MercyOne

Ratings & Reviews

Dr. Stephen C. Riggs, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 111 ratings. We collect ratings and reviews of Dr. Stephen C. Riggs, MD from all over the web to help you find the right in Waterloo, IA.

4.91

Overall Rating

(111 Ratings)

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$337 FARXIGA $168	BYDUREON PEN $59	BYDUREON WEEKLY $44	BEVESPI AEROSPHERE $28	CRESTOR $13	Other $25
Allergan Inc.	$328 LINZESS $194	VIBERZI $55	VRAYLAR $45	BYSTOLIC $26	AVYCAZ $9
Pfizer Inc.	$247 EUCRISA $54	COLOGUARD $46	TRUMENBA $40	PAXLOVID $25	VIAGRA $25	Other $57
SANOFI-AVENTIS U.S. LLC	$242 TOUJEO $122	LANTUS $102	Auvi-Q $18
Janssen Pharmaceuticals, Inc	$230 INVOKANA $88	XARELTO $74	Blood Glucose Meters $25	INVOKAMET $23	OneTouch $10	Other $10
Other	$1,174 BASAGLAR $122	Ozempic $81	JARDIANCE $73	Repatha $71	ENTRESTO $44	Other $784

**Types of Payments**
Food and Beverage	$2,491
Education	$67

Biography

Dr. Stephen Riggs' specialties are pediatric endocrinology and general pediatrics. He practices in Waterloo, IA. Dr. Riggs's patients gave him an average rating of 5.0 stars (out of 5). Clinical interests for Dr. Riggs include endocrine diseases (hormone disorders). He is professionally affiliated with MercyOne. MercyOne reports that Dr. Riggs is accepting new patients at his office in Waterloo, IA. He studied medicine at the University of Iowa, Carver College of Medicine.