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Home > WI Providers > Optometrists

Dr. Gerald W. Koskinen JR., OD

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Specializes in: Optometry (Primary Eye Care)

The Illinois College of Optometry (1987)

3278 W Main Street
East Troy, WI 53120

(262) 642-9719

Dr. Gerald W. Koskinen JR., OD is an optometrist in East Troy, WI specializing in optometry (primary eye care). He graduated from The Illinois College of Optometry in 1987 and has 39 years of experience. Dr. Gerald W. Koskinen JR., OD is affiliated with KOSKINEN EYE CLINIC, LLC.

Office Locations

3278 W Main Street
East Troy, WI 53120

(262) 642-9719

(262) 642-2228

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Noteworthy Medicare Patient Procedures Performed by Dr. Gerald W. Koskinen JR., OD in 2024

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

Top 5%

By Affordability:

eye procedures

In 2024, Dr. Gerald W. Koskinen JR., OD had a list price for eye procedures that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Wisconsin. 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:

fundus photography

In 2024, Dr. Gerald W. Koskinen JR., OD performed more fundus photography procedures for Medicare patients than 90% of providers in related specialties within Wisconsin.

Top 25%

By Volume:

eye procedures

By Affordability:

fundus photography

In 2012, among providers in related specialties within Wisconsin, Dr. Gerald W. Koskinen JR., OD performed more eye procedures procedures for Medicare patients than 75% of them and he also had a list price for fundus photography 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. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2012 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	235
eye procedures	200

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2013 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	261
eye procedures	587

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	102
Female	142

**Age**
From 65 to 74	123
From 75 to 84	69
85 and over	28
Less than 65	24

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2013

Hypertension	61
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	29
Depression	10
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	30
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2014 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	307
eye procedures	4313

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	99
Female	164

**Age**
From 65 to 74	143
From 75 to 84	64
85 and over	36
Less than 65	20

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2014

Hypertension	66
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	32
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2015 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	333
eye procedures	2756

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	236
Female	348

**Age**
From 65 to 74	334
From 75 to 84	164
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2015

Hypertension	61
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	31
Depression	10
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2016 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	387
eye procedures	2978

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	128
Female	169

**Age**
From 65 to 74	168
From 75 to 84	83
85 and over	35
Less than 65	11

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2016

Hypertension	63
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	27
Asthma	12
Osteoperosis	4
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2017 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	314
eye procedures	3534

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	105
Female	169

**Age**
From 65 to 74	157
From 75 to 84	82
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2017

Hypertension	65
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	28
Depression	12
Chronic Kidney Disease	31
Asthma	4
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	28
Dementia	5
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2018 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	320
eye procedures	4642

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	112
Female	162

**Age**
From 65 to 74	165
From 75 to 84	81
85 and over	17
Less than 65	11

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2018

Hypertension	58
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2019 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	308
eye procedures	2839

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	120
Female	165

**Age**
From 65 to 74	167
From 75 to 84	95
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2019

Hypertension	65
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	32
Asthma	6
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	4
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2020 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	233
eye procedures	2264

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	104
Female	136

**Age**
From 65 to 74	131
From 75 to 84	83
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2020

Hypertension	61
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2021 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	255
eye procedures	1895

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	124
Female	141

**Age**
From 65 to 74	154
From 75 to 84	87
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2021

Hypertension	60
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2022 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	248
eye procedures	3469

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	102
Female	150

**Age**
From 65 to 74	137
From 75 to 84	97
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2022

Hypertension	63
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	18
Depression	14
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	19
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2023 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	238
eye procedures	2765

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	113
Female	137

**Age**
From 65 to 74	141
From 75 to 84	86
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2023

Hypertension	60
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	19
Depression	10
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	9
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI during 2024 were eye procedures.

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

doctor visit	228
eye procedures	2493

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	100
Female	155

**Age**
From 65 to 74	142
From 75 to 84	86
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2024

Hypertension	60
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	16
Depression	14
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	7
Chronic Obstructive Pulmonary Disease	8
Diabetes	17
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Gerald W. Koskinen JR., OD for Medicare patients.

The highest averages for the top procedures that Dr. Gerald W. Koskinen JR., OD treated as an optometrist in East Troy, WI were eye procedures.

doctor visit	282
eye procedures	2671

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Gerald W. Koskinen JR., OD.

**Gender**
Male	111
Female	156

**Age**
75 to 84	82
85 and over	8
Less than 65	5
65 to 74	150

Average of Total of Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Gerald W. Koskinen JR., OD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	57
High Cholesterol	51
Stroke	1
Ischemic Heart Disease	24
Depression	11
Chronic Kidney Disease	22
Asthma	6
Osteoporosis	5
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Atrial Fibrillation	10
Cancer	10
Dementia	3

Education & Training

Dr. Gerald W. Koskinen JR., OD graduated from The Illinois College of Optometry in 1987. He has a state license in Wisconsin.

Medical School: The Illinois College of Optometry (1987)

Licensed In: Wisconsin

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Gerald W. Koskinen JR., OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Alcon Laboratories Inc	$1,960 Contact Lenses $169	AIR OPTIX $23	$1,767
Coopervision Inc.	$1,507 Clariti Contact Lens $759	Multiple Brands Contact Lens $256	MyDay Contact Lens $231	Biofinity Contact Lens $117	CVI Contact Lens $86	Other $57
Optos, Inc.	$1,224 scanning laser ophthalmoscope $1,211	P200TxE $13
Alcon Vision LLC	$922 Precision7 $299	TOTAL30 $296	AIR OPTIX $134	Precision 1 $109	Rocklatan $31	Other $53
optos plc	$723 scanning laser ophthalmoscope $723
Other	$1,776 ULTRA $490	Infuse $364	XIIDRA $334	BIOTRUE ONE DAY $130	OPD-III $87	Other $370

**Types of Payments**
Food and Beverage	$5,015
Travel and Lodging	$2,659
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$350
Education	$41
Gift	$40
Other	$6

Biography

Dr. Gerald Koskinen works as an optometry (primary eye care) specialist in East Troy, WI. Dr. Koskinen obtained a license to practice in Wisconsin.

Select Year:

Dr. Gerald W. Koskinen JR., OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald W. Koskinen JR., OD in 2024

By Affordability:

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. Gerald W. Koskinen JR., OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Gerald W. Koskinen JR., OD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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Other Providers in East Troy, WI