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

Home > CA Providers > Optometrists

William Patrick Gerlach, OD

(No ratings)

Specializes in: Optometry (Primary Eye Care)

2830 W Main Street
Visalia, CA 93291

(559) 636-1000

William Patrick Gerlach, OD is an optometrist in Visalia, CA specializing in optometry (primary eye care).

Office Locations

2830 W Main Street
Visalia, CA 93291

(559) 636-1000

(559) 733-7438

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2012 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	23
eye procedures	163

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2013 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	36
eye procedures	162

2013 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	71
Female	115

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	59
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2013

Hypertension	62
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	10
Asthma	0
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2014 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	26
eye procedures	192

2014 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	81
Female	128

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2014

Hypertension	68
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	10
Asthma	9
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2015 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

eye procedures	209

2015 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	188
Female	266

**Ethnicity**
Non-Hispanic White	398
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	272
From 75 to 84	102
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2015

Hypertension	63
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	25
Depression	12
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	20
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2016 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	29
eye procedures	214

2016 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	94
Female	143

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	73
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2016

Hypertension	70
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	27
Depression	15
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2017 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	52
eye procedures	252

2017 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	113
Female	157

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	95
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2017

Hypertension	65
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	24
Depression	13
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	5
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2018 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	35
eye procedures	203

2018 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	85
Female	151

**Ethnicity**
Non-Hispanic White	218
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	77
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2018

Hypertension	67
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	5
Diabetes	26
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2019 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	18
eye procedures	226

2019 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	86
Female	153

**Ethnicity**
Non-Hispanic White	208
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	81
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2019

Hypertension	69
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA during 2020 were eye procedures.

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

doctor visit	39
eye procedures	228

2020 Medicare Patient Data

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	93
Female	162

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	117
From 75 to 84	106
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2020

Hypertension	66
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	28
Depression	18
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	5
Diabetes	31
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by William Patrick Gerlach, OD for Medicare patients.

The highest averages for the top procedures that William Patrick Gerlach, OD treated as an optometrist in Visalia, CA were eye procedures.

doctor visit	32
eye procedures	205

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by William Patrick Gerlach, OD.

**Gender**
Male	90
Female	141

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	206
Native American / Alaskan Native	0
Hispanic	1
Other	0

**Age**
75 to 84	72
85 and over	0
Less than 65	0
65 to 74	123

Average of Total of Conditions of Medicare patients treated by William Patrick Gerlach, OD From 2012 - 2020

The highest averages of the most common conditions of Medicare patients that William Patrick Gerlach, OD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	58
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	24
Depression	12
Chronic Kidney Disease	17
Asthma	6
Osteoporosis	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	21
Atrial Fibrillation	7
Dementia	5
Cancer	7

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

William Patrick Gerlach, OD does not have any reviews yet, be the first to leave a review of William Patrick Gerlach, OD here: Leave a Review

(No ratings)

Leave a Review

General Payments

These charts describe general payments received by William Patrick Gerlach, OD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Bausch & Lomb, a division of Bausch Health US, LLC	$159 VYZULTA $100	ULTRA $59
Johnson & Johnson Surgical Vision, Inc.	$121 $121
Genentech USA, Inc.	$107 LUCENTIS $107
Valeant Pharmaceuticals North America LLC	$93 ULTRA $93
TissueTech, Inc.	$91 AmnioGuard $91
Other	$101 P200TxE $82	None Specified $19

**Types of Payments**
Food and Beverage	$571
Entertainment	$82
Gift	$19

Biography

Dr. William Gerlach practices optometry (primary eye care) in Visalia, CA. Dr. Gerlach obtained a license to practice in California.

Select Year:

William Patrick Gerlach, OD

Office Locations

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 William Patrick Gerlach, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by William Patrick Gerlach, OD in 2020

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Average Medicare Patient Data From 2012 - 2020

Average of Total of Conditions of Medicare patients treated by William Patrick Gerlach, OD From 2012 - 2020

Education & Training

Ratings & Reviews

General Payments

Biography

Optometrists in Nearby Locations

Other Providers in Visalia, CA