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Home > WI Providers > Retina Specialists

Dr. Benjamin John Ernst, MD

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Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

St. Louis University School of Medicine (2006)

Professional interests include: eye problems

480 Pilgrim Way Green
Bay, WI 54304

(920) 592-0111

Dr. Benjamin John Ernst, MD is a retina specialist in Neenah, WI specializing in vitreoretinal diseases (retina and vitreous). He graduated from St. Louis University School of Medicine in 2006 and has 20 years of experience. Dr. Benjamin John Ernst, MD is affiliated with ThedaCare, Ascension, Ascension Calumet Hospital, Ascension NE Wisconsin - St. Elizabeth Campus, Ascension NE Wisconsin - Mercy Campus and NORTHEAST WISCONSIN RETINA ASSOCIATES SC.

Office Locations

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200 Theda Clark Plaza
Neenah, WI 54956

442 N Westhill Boulevard
Appleton, WI 54914

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ThedaCare

480 Pilgrim Way Green
Bay, WI 54304

(920) 592-0111

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ThedaCare

515 S Washburn Street
Oshkosh, WI 54904

(920) 232-8060

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ThedaCare

5733 Windy Drive
Stevens Point, WI 54482

(715) 600-8105

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ThedaCare

723 Park Ridge Lane
Fond Du Lac, WI 54937

(920) 751-8666

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Northeast Wisconsin Retina Associates Sc 200 Theda Clark Medical Plaza Suite 110
Neenah, WI 54956

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Some issues Dr. Benjamin John Ernst, MD can help you with:

Eye Problems

Millions of people every year have problems with their eyes. Some of the most common eye problems are refractive disorders, glaucoma, diabetic retinopathy, macular degeneration, and cataracts.

Refractive disorders happen when the shape of the eye doesn't let allow someone focus very precisely. They might be myopic (nearsighted), hyperopic (farsighted), or have an astigmatism, which is a focus problem caused by the cornea. Refractive disorders can be corrected by glasses or contacts.

Glaucoma is the leading cause of blindness in the United States. It happens when fluid pressure builds up within the eye and damages the optic nerve. It is treated with medications and surgery.

Diabetic retinopathy is a common complication of diabetes. The retina is tissue at the back of the eye that is filled with numerous, tiny blood vessels. When diabetes damages these delicate blood vessels, they burst or leak, leading to blind spots and blurred vision. Diabetic retinopathy can be treated with laser therapy and surgery, but often vision cannot be restored.

Macular degeneration is common in older adults. The macula is the central part of the retina and is responsible for crisp center vision. Over time, the cells in the macula begin to die, making central vision blurry. An early symptom of macular degeneration is that straight lines appear wavy.

Cataracts happen when the clear lens in the front of the eye becomes cloudy, making things look blurry or faded. They are extremely common in older people. By age 80, more than half of all Americans will have had a cataract. In early stages, prescription glasses and magnifying lenses can help. As the cataracts get worse, surgery to replace the lens may be the best option.

More than just one of the five senses, the eyes are heavily relied upon to communicate, work, and get around every day. It's important to have regular eye exams for vision stays in good shape for years to come.

Noteworthy Medicare Patient Procedures Performed by Dr. Benjamin John Ernst, MD in 2023

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

Top 10%

By Volume:

eye procedures

intravitreal drug injection

SCODI of the posterior segment

In 2023, Dr. Benjamin John Ernst, MD performed more eye procedures, intravitreal drug injection, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 90% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2012 were eye procedures and injections.

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

doctor visit	165
eye procedures	852
injections	269

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2013 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	22
doctor visit	103
eye procedures	2307
injections	691
ultrasound (sonogram)	22

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	166
Female	236

**Ethnicity**
Non-Hispanic White	383
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	118
85 and over	125
Less than 65	36

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2013

Hypertension	70
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2014 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	28
doctor visit	86
eye procedures	3195
injections	950
photocoagulation	13
ultrasound (sonogram)	28

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	201
Female	319

**Ethnicity**
Non-Hispanic White	500
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	159
85 and over	151
Less than 65	44

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2014

Hypertension	65
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2015 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	22
doctor visit	72
eye procedures	3142
injections	908
photocoagulation	11
ultrasound (sonogram)	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	442
Female	602

**Ethnicity**
Non-Hispanic White	992
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	320
85 and over	330
Less than 65	76

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2015

Hypertension	69
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2016 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	37
doctor visit	101
eye procedures	3950
injections	1193
photocoagulation	18
ultrasound (sonogram)	37

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	225
Female	320

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	151
85 and over	156
Less than 65	51

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2016

Hypertension	69
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	9
Diabetes	38
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2017 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	26
doctor visit	88
eye procedures	4033
injections	1355
photocoagulation	20
ultrasound (sonogram)	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	267
Female	322

**Ethnicity**
Non-Hispanic White	555
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	167
85 and over	158
Less than 65	56

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2017

Hypertension	68
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	39
Asthma	5
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2018 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	32
doctor visit	88
eye procedures	4121
injections	1351
photocoagulation	17
ultrasound (sonogram)	32

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	245
Female	314

**Ethnicity**
Non-Hispanic White	524
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	204
From 75 to 84	161
85 and over	156
Less than 65	38

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2018

Hypertension	68
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	41
Asthma	5
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2019 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	47
doctor visit	87
eye procedures	4041
injections	1322
photocoagulation	14
ultrasound (sonogram)	47

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	216
Female	289

**Ethnicity**
Non-Hispanic White	472
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	156
85 and over	134
Less than 65	33

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2019

Hypertension	69
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	41
Asthma	6
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2020 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	26
doctor visit	70
eye procedures	3533
injections	1217
ultrasound (sonogram)	26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	216
Female	264

**Ethnicity**
Non-Hispanic White	446
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	145
85 and over	127
Less than 65	31

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2020

Hypertension	64
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	4
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	11
Diabetes	37
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2021 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	17
doctor visit	67
eye procedures	3714
injections	1326
photocoagulation	15
ultrasound (sonogram)	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	232
Female	276

**Ethnicity**
Non-Hispanic White	476
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	157
85 and over	127
Less than 65	29

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2021

Hypertension	65
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI during 2022 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

diagnostic imaging	19
doctor visit	90
eye procedures	3381
injections	1268
photocoagulation	13
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	19

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	213
Female	263

**Ethnicity**
Non-Hispanic White	437
Black	0
Hispanic	12
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	156
85 and over	116
Less than 65	28

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	29
Depression	17
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Benjamin John Ernst, MD for Medicare patients.

The highest averages for the top procedures that Dr. Benjamin John Ernst, MD treated as a retina specialist in Neenah, WI were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

diagnostic imaging	27
doctor visit	92
eye procedures	3297
injections	1077
photocoagulation	15
prophylaxis (preventive treatment)	13
ultrasound (sonogram)	27

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Benjamin John Ernst, MD.

**Gender**
Male	220
Female	291

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	482
Hispanic	1
Native American / Alaskan Native	0
Other	3

**Age**
75 to 84	153
85 and over	143
Less than 65	38
65 to 74	176

Average of Total of Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Benjamin John Ernst, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	62
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	29
Depression	16
Chronic Kidney Disease	32
Asthma	6
Osteoporosis	6
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	33
Atrial Fibrillation	12
Cancer	9
Dementia	8

Education & Training

Dr. Benjamin John Ernst, MD graduated from St. Louis University School of Medicine in 2006. He completed residency at St. Louis University (SLU) Affiliated Hospitals. He is certified by the Ophthalmology, American Board of Ophthalmology and has a state license in Wisconsin.

Medical School: St. Louis University School of Medicine (2006)

Residency: St. Louis University (SLU) Affiliated Hospitals

Board Certification: Ophthalmology, American Board of Ophthalmology (2012)

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Benjamin John Ernst, MD is associated with these hospitals and organizations:

ThedaCare

Ascension

Ascension Calumet Hospital

Ascension NE Wisconsin - St. Elizabeth Campus

Ascension NE Wisconsin - Mercy Campus

NORTHEAST WISCONSIN RETINA ASSOCIATES SC

Ratings & Reviews

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General Payments

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

**Payments by Company**
US Retina LLC	$2,162 $2,162
Integra LifeSciences Corporation	$135 TenoGlide $135
Regeneron Healthcare Solutions, Inc.	$115 EYLEA (aflibercept) Injection $88	Eylea $15	EYLEA aflibercept injection $12
Genentech USA, Inc.	$115 LUCENTIS $115
Alimera Sciences, Inc.	$78 ILUVIEN $78
Other	$193 OZURDEX $77	VISUDYNE $30	SHINGRIX $24	EYLEA aflibercept injection $24	BEOVU $22	Other $16

**Types of Payments**
Current or prospective ownership or investment interest	$2,162
Food and Beverage	$532
Education	$104

Ownership and Interest Payments

This table describes ownership payments received by Dr. Benjamin John Ernst, MD.

US Retina LLC	2022	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2020	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2017	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2019	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2018	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2016	$6,250.00	Physician Covered Recipient	Shares
US Retina LLC	2015	$6,250.00	Physician Covered Recipient	Shares

Biography

Dr. Benjamin Ernst specializes in vitreoretinal diseases (retina and vitreous). Areas of expertise for Dr. Ernst include eye problems. He attended St. Louis University School of Medicine and subsequently trained at a hospital affiliated with St. Louis University (SLU) for residency. Dr. Ernst is professionally affiliated with Ascension Calumet Hospital and ThedaCare.

Select Year:

Dr. Benjamin John Ernst, MD

Office Locations

Some issues Dr. Benjamin John Ernst, MD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. Benjamin John Ernst, MD in 2023

By Volume:

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. Benjamin John Ernst, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Benjamin John Ernst, 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. Benjamin John Ernst, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Ownership and Interest Payments

Biography

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