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

Home > NY Providers > Optometrists

Dr. Gwenda Renee Gnadt, MPH, OD

(Dr. Gwenda Renee' Gnadt, O.D.)

(No ratings)

Specializes in: Optometry (Primary Eye Care)

University of Alabama at Birmingham School of Optometry (1991)

271 Smithtown Boulevard
Nesconset, NY 11767

(631) 588-5100

Dr. Gwenda Renee Gnadt, MPH, OD is an optometrist in Nesconset, NY specializing in optometry (primary eye care). She graduated from University of Alabama at Birmingham School of Optometry in 1991 and has 34 years of experience. Dr. Gwenda Renee Gnadt, MPH, OD is affiliated with EYE VISION ASSOCIATES LLP.

Office Locations

271 Smithtown Boulevard
Nesconset, NY 11767

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Gwenda Renee Gnadt, MPH, OD in 2023

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

Top 25%

By Volume:

eye procedures

In 2013, Dr. Gwenda Renee Gnadt, MPH, OD performed more eye procedures procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2013 were eye procedures.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	575

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	65
Female	105

**Age**
From 65 to 74	77
From 75 to 84	48
85 and over	29
Less than 65	16

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2013

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2013 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	34
Depression	12
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2014 were eye procedures.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	586

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	63
Female	102

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	43
85 and over	21
Less than 65	17

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2014

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	31
Depression	14
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	15
Chronic Obstructive Pulmonary Disease	7
Diabetes	35
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2015 were eye procedures.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	629

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	122
Female	228

**Ethnicity**
Non-Hispanic White	322
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	74
85 and over	54
Less than 65	44

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2015

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2015 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	7
Diabetes	38
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2016 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	876
lab tests	85

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	79
Female	149

**Ethnicity**
Non-Hispanic White	211
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	65
85 and over	26
Less than 65	24

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2016

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2016 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	71
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	38
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2017 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	931
lab tests	44

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	84
Female	156

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	67
85 and over	27
Less than 65	23

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2017

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2017 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	70
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2018 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	860
lab tests	54

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	79
Female	151

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	62
85 and over	21
Less than 65	13

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2018

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2018 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	69
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	40
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2019 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	948
lab tests	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	81
Female	136

**Ethnicity**
Non-Hispanic White	204
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2019

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2019 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	35
Depression	18
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	13
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	43
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2020 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	876
lab tests	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	70
Female	133

**Age**
From 65 to 74	112
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2020

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2020 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	71
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2021 were eye procedures, lab tests and ultrasound (sonogram).

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

doctor visit	18
eye procedures	937
lab tests	56
ultrasound (sonogram)	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	76
Female	134

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	109
From 75 to 84	66
85 and over	23
Less than 65	12

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2021

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2021 were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2022 were eye procedures, lab tests and ultrasound (sonogram).

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	887
lab tests	30
ultrasound (sonogram)	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	71
Female	126

**Age**
From 65 to 74	112
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2022

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2022 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	16
Asthma	14
Osteoperosis	20
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	34
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY during 2023 were eye procedures.

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

eye procedures	684

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	66
Female	109

**Ethnicity**
Non-Hispanic White	164
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	56
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2023

The most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated during 2023 were high cholesterol, hypertension, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	21
Asthma	14
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. Gwenda Renee Gnadt, MPH, OD for Medicare patients.

The highest averages for the top procedures that Dr. Gwenda Renee Gnadt, MPH, OD treated as an optometrist in Nesconset, NY were eye procedures, lab tests and ultrasound (sonogram).

doctor visit	18
eye procedures	799
lab tests	50
ultrasound (sonogram)	25

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD.

**Gender**
Male	77
Female	139

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	153
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	60
85 and over	18
Less than 65	13
65 to 74	114

Average of Total of Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Gwenda Renee Gnadt, MPH, OD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	71
High Cholesterol	70
Stroke	1
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	20
Asthma	8
Osteoporosis	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	37
Atrial Fibrillation	9
Dementia	4
Cancer	12

Education & Training

Dr. Gwenda Renee Gnadt, MPH, OD graduated from University of Alabama at Birmingham School of Optometry in 1991. She has a state license in New York.

Medical School: University of Alabama at Birmingham School of Optometry (1991)

Licensed In: New York

Affiliations & Hospitals

Dr. Gwenda Renee Gnadt, MPH, OD is associated with these hospitals and organizations:

EYE VISION ASSOCIATES LLP

Ratings & Reviews

Dr. Gwenda Renee Gnadt, MPH, OD does not have any reviews yet, be the first to leave a review of Dr. Gwenda Renee Gnadt, MPH, OD here: Leave a Review

(No ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Gwenda Renee Gnadt, MPH, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Alcon Laboratories Inc	$1,551 DAILIES $873	AIR OPTIX $71	Contact Lenses $19	$588
Allergan Inc.	$812 RESTASIS $160	OZURDEX $151	$501
Bausch and Lomb Inc.	$675 PROLENSA $128	BEPREVE $124	ULTRA $122	LOTEMAX GEL $105	BIOTRUE $100	Other $97
Bausch & Lomb, a division of Bausch Health US, LLC	$634 VYZULTA $293	LOTEMAX SM $117	BIOTRUE ONE DAY $106	LATANOPROSTENE BUNOD $79	ZYLET $20	Other $19
Shire North American Group Inc	$422 XIIDRA $407	$15
Other	$3,989 TEPEZZA $363	XIIDRA $270	ULTRA $259	DEXTENZA $250	RESTASIS MULTIDOSE $191	Other $2,657

**Types of Payments**
Food and Beverage	$7,255
Travel and Lodging	$792
Education	$38

Biography

Dr. Gwenda Gnadt works as an optometry (primary eye care) specialist in Nesconset, NY. Dr. Gnadt obtained a license to practice in New York.

Select Year:

Dr. Gwenda Renee Gnadt, MPH, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gwenda Renee Gnadt, MPH, OD in 2023

By Volume:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Gwenda Renee Gnadt, MPH, OD From 2013 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Nesconset, NY