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

Home > IA Providers > Foot & Ankle Surgeons

Gregory Charles Lantz, DPM

Accepting New Patients

(No ratings)

Specializes in: Foot & Ankle Surgery and Podiatry (Foot & Ankle Medicine)

927 West 4th Street
Waterloo, IA 50702

(319) 233-6107

Gregory Charles Lantz, DPM is a podiatrist in Waterloo, IA specializing in foot & ankle surgery and podiatry (foot & ankle medicine). Gregory Charles Lantz, DPM is affiliated with UnityPoint Health.

Office Locations

UnityPoint Health

927 West 4th Street
Waterloo, IA 50702

(319) 233-6107

open_in_new

Noteworthy Medicare Patient Procedures Performed by Gregory Charles Lantz, DPM in 2023

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

Top 25%

By Volume:

soft tissue injections

By Affordability:

excisional debridement

incision and drainage of skin abscess

ligament injection

non-excisional debridement

removal of benign skin lesion

skin debridement

skin incision and drainage

soft tissue injections

tendon sheath injection

X-rays

In 2012, among providers in related specialties within Iowa, Gregory Charles Lantz, DPM performed more soft tissue injections procedures for Medicare patients than 75% of them and he also had a list price for excisional debridement, incision and drainage of skin abscess (e.g. boil), ligament injection, non-excisional debridement, removal of benign (non-cancerous) skin lesion, skin debridement, skin incision and drainage, soft tissue injections, tendon sheath injection, and X-rays 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 Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2012 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and X-rays.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	84
aspiration	12
debridement (removal of unhealthy tissue)	230
doctor visit	727
excision	74
incision and drainage	84
injections	80
lower extremity surgery	11
minor procedures	84
musculoskeletal imaging	178
nail avulsion	74
nail procedures	74
nursing home care	28
open surgery	11
removal of lesion (e.g. growth)	412
skin procedures	412
skin surgery	84
X-rays	204

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2013 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and X-rays.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	64
debridement (removal of unhealthy tissue)	342
doctor visit	762
excision	121
incision and drainage	64
injections	107
minor procedures	64
musculoskeletal imaging	183
nail avulsion	64
nail procedures	88
nursing home care	44
removal of lesion (e.g. growth)	488
skin procedures	488
skin surgery	64
X-rays	208

2013 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	353
Female	648

**Ethnicity**
Non-Hispanic White	947
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	334
85 and over	297
Less than 65	78

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2013

Hypertension	69
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	36
Depression	24
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	21
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2014 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	43
debridement (removal of unhealthy tissue)	389
doctor visit	748
excision	193
incision and drainage	43
injections	58
lower extremity surgery	26
minor procedures	43
musculoskeletal imaging	153
nail avulsion	42
nail procedures	60
nursing home care	20
removal of lesion (e.g. growth)	513
skin procedures	513
skin surgery	43
X-rays	181

2014 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	340
Female	610

**Ethnicity**
Non-Hispanic White	895
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	310
85 and over	253
Less than 65	87

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2014

Hypertension	71
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	34
Depression	23
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	18
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2015 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	59
arthrodesis (bone fusion surgery)	14
debridement (removal of unhealthy tissue)	305
doctor visit	668
excision	139
incision and drainage	59
injections	71
joint surgery	14
lower extremity surgery	62
minor procedures	59
musculoskeletal imaging	112
nail avulsion	57
nail procedures	84
nursing home care	20
open surgery	15
removal of lesion (e.g. growth)	597
skin procedures	597
skin surgery	59
X-rays	137

2015 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	708
Female	1270

**Ethnicity**
Non-Hispanic White	1866
Black	78
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	616
From 75 to 84	598
85 and over	602
Less than 65	162

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2015

Hypertension	71
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	21
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2016 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	42
debridement (removal of unhealthy tissue)	178
doctor visit	501
excision	105
immobilization	12
incision and drainage	42
injections	37
lower extremity surgery	14
minor procedures	42
musculoskeletal imaging	74
nail avulsion	42
nail procedures	42
nursing home care	12
open surgery	14
removal of lesion (e.g. growth)	457
skin procedures	457
skin surgery	42
X-rays	94

2016 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	251
Female	527

**Ethnicity**
Non-Hispanic White	743
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	238
85 and over	251
Less than 65	70

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2016

Hypertension	74
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	15
Diabetes	42
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2017 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	44
debridement (removal of unhealthy tissue)	255
doctor visit	531
excision	117
immobilization	46
incision and drainage	44
injections	57
lower extremity surgery	21
minor procedures	44
musculoskeletal imaging	83
nail avulsion	36
nail procedures	52
open surgery	21
removal of lesion (e.g. growth)	410
skin procedures	410
skin surgery	44
X-rays	106

2017 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	260
Female	504

**Ethnicity**
Non-Hispanic White	731
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	224
85 and over	248
Less than 65	65

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2017

Hypertension	71
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	32
Asthma	5
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	41
Dementia	27
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2018 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	70
debridement (removal of unhealthy tissue)	193
doctor visit	604
excision	124
immobilization	50
incision and drainage	70
injections	49
lower extremity surgery	43
minor procedures	70
musculoskeletal imaging	64
nail avulsion	48
nail procedures	48
nursing home care	25
open surgery	12
removal of lesion (e.g. growth)	362
skin procedures	362
skin surgery	70
X-rays	79

2018 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	268
Female	484

**Ethnicity**
Non-Hispanic White	717
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	226
85 and over	244
Less than 65	56

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2018

Hypertension	71
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	31
Asthma	4
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	26
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2019 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	48
debridement (removal of unhealthy tissue)	113
doctor visit	594
excision	113
immobilization	39
incision and drainage	48
injections	76
lower extremity surgery	17
minor procedures	48
musculoskeletal imaging	86
nail avulsion	41
nail procedures	41
nursing home care	29
open surgery	17
plastic surgery procedures	19
reconstructive surgery	19
removal of lesion (e.g. growth)	286
skin procedures	286
skin surgery	48
tissue transfer	19
wound repair (e.g. stitches)	19
X-rays	107

2019 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	253
Female	435

**Ethnicity**
Non-Hispanic White	660
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	215
85 and over	196
Less than 65	42

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2019

Hypertension	74
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	37
Depression	29
Chronic Kidney Disease	31
Asthma	5
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	38
Dementia	22
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2020 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and excision.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	33
debridement (removal of unhealthy tissue)	150
doctor visit	501
excision	77
immobilization	28
incision and drainage	33
injections	40
minor procedures	33
musculoskeletal imaging	58
nail avulsion	28
nail procedures	28
removal of lesion (e.g. growth)	244
skin procedures	244
skin surgery	33
X-rays	58

2020 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	233
Female	352

**Ethnicity**
Non-Hispanic White	564
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	200
85 and over	137
Less than 65	46

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2020

Hypertension	72
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	36
Asthma	5
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2021 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and musculoskeletal imaging.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	46
debridement (removal of unhealthy tissue)	134
doctor visit	538
excision	89
immobilization	28
incision and drainage	46
injections	68
minor procedures	46
musculoskeletal imaging	96
nail avulsion	23
nail procedures	23
plastic surgery procedures	39
reconstructive surgery	39
removal of lesion (e.g. growth)	261
skin procedures	261
skin surgery	46
tissue transfer	39
wound repair (e.g. stitches)	39
X-rays	96

2021 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	200
Female	303

**Ethnicity**
Non-Hispanic White	480
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	181
85 and over	104
Less than 65	26

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2021

Hypertension	71
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	33
Asthma	5
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA during 2022 were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and musculoskeletal imaging.

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

abscess drainage	26
debridement (removal of unhealthy tissue)	137
doctor visit	570
excision	67
immobilization	21
incision and drainage	26
injections	72
lower extremity surgery	12
minor procedures	26
musculoskeletal imaging	76
nail avulsion	41
nail procedures	41
open surgery	12
plastic surgery procedures	35
reconstructive surgery	35
removal of lesion (e.g. growth)	220
skin procedures	220
skin surgery	26
tissue transfer	35
wound repair (e.g. stitches)	35
X-rays	76

2022 Medicare Patient Data

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	216
Female	314

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

**Age**
From 65 to 74	204
From 75 to 84	184
85 and over	107
Less than 65	35

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2022

Hypertension	75
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	37
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Gregory Charles Lantz, DPM for Medicare patients.

The highest averages for the top procedures that Gregory Charles Lantz, DPM treated as a podiatrist in Waterloo, IA were removal of lesion (e.g. growth), skin procedures, debridement (removal of unhealthy tissue) and X-rays.

abscess drainage	50
arthrodesis (bone fusion surgery)	14
aspiration	12
debridement (removal of unhealthy tissue)	220
doctor visit	613
excision	110
immobilization	32
incision and drainage	50
injections	65
joint surgery	14
lower extremity surgery	25
minor procedures	50
musculoskeletal imaging	105
nail avulsion	45
nail procedures	52
nursing home care	25
open surgery	14
plastic surgery procedures	31
reconstructive surgery	31
removal of lesion (e.g. growth)	386
skin procedures	386
skin surgery	50
tissue transfer	31
wound repair (e.g. stitches)	31
X-rays	122

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Gregory Charles Lantz, DPM.

**Gender**
Male	280
Female	495

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	0
Non-Hispanic White	736
Native American / Alaskan Native	0
Hispanic	0
Other	2

**Age**
75 to 84	246
85 and over	221
Less than 65	60
65 to 74	246

Average of Total of Conditions of Medicare patients treated by Gregory Charles Lantz, DPM From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Gregory Charles Lantz, DPM treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	65
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	26
Asthma	5
Osteoporosis	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Atrial Fibrillation	14
Dementia	17
Cancer	9

Education & Training

He has a state license in Iowa.

Licensed In: Iowa

Affiliations & Hospitals

Gregory Charles Lantz, DPM is associated with these hospitals and organizations:

UnityPoint Health

Ratings & Reviews

Gregory Charles Lantz, DPM does not have any reviews yet, be the first to leave a review of Gregory Charles Lantz, DPM here: Leave a Review

(No ratings)

Leave a Review

General Payments

These charts describe general payments received by Gregory Charles Lantz, DPM. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Wright Medical Technology, Inc.	$9,684 Foot and Ankle $3,651	Infinity $3,539	SALVATION $1,075	AUGMENT $367	FOOTANDANKLE $284	Other $768
Stryker Corporation	$6,539 PROstep $2,641	Infinity $585	JOINT PRESERVATION $577	TRAUMA & EXTREMITIES $536	AUGMENT INJECTABLE $374	Other $1,826
Integra LifeSciences Corporation	$304 Recon-Lower Extremity Metal $243	Flowable $29	Total Foot System $19	AMNIOEXCEL $12
WARDLOW ENTERPRISES	$275 ARTHREX PRODUCT LINE DISTAL EXTREMITY ARTHROSCOPY $275
Smith & Nephew, Inc.	$240 Regeneten $116	Santyl $65	Regranex $37	Other Trauma $22
Other	$1,450 GRAFIX/GRAFIXPL/STRAVIX $182	PriMatrix $123	Lapiplasty System $113	Apligraf $88	STRAVIX $73	Other $870

**Types of Payments**
Travel and Lodging	$8,873
Food and Beverage	$8,790
Education	$830

Research Payments

Gregory Charles Lantz, DPM has received 1 research payments totaling $92.

Biography

Dr. Gregory Lantz's specialties are foot & ankle surgery and podiatry (foot & ankle medicine). He practices in Waterloo, IA. Dr. Lantz is affiliated with UnityPoint Health. He has an open panel in Waterloo, IA according to UnityPoint Health.

Select Year:

Gregory Charles Lantz, DPM

Office Locations

Noteworthy Medicare Patient Procedures Performed by Gregory Charles Lantz, DPM in 2023

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 Gregory Charles Lantz, DPM in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Gregory Charles Lantz, DPM 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 Gregory Charles Lantz, DPM From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

Foot & Ankle Surgeons in Nearby Locations

Other Providers in Waterloo, IA