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Home > CA Providers > Optometrists

Dr. Gerald Dennis Chan, OD

(3 Ratings)

Specializes in: Optometry (Primary Eye Care)

University of California, Berkeley Optometry (1975)

360 Sierra College Drive Suite 100
Grass Valley, CA 95945

(530) 273-3190

Dr. Gerald Dennis Chan, OD is an optometrist in Grass Valley, CA specializing in optometry (primary eye care). He graduated from University of California, Berkeley Optometry in 1975 and has 51 years of experience. Dr. Gerald Dennis Chan, OD is affiliated with CHAN FAMILY VISION CARE OPTOMETRIC, INC.

Office Locations

360 Sierra College Drive Suite 100
Grass Valley, CA 95945

(530) 273-3190

(530) 273-5541

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In The News

“Chan intends to return to Grass Valley after graduation to practice optometry with her parents, Dr. Jerry Chan and Dr. Lisa Moon of Nevada City.”—"Learning Briefs", The Union, June 2008

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald Dennis Chan, OD in 2023

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

Top 10%

By Affordability:

eye tests

scanning computerized ophthalmic diagnostic imaging

SCODI of the posterior segment

In 2023, Dr. Gerald Dennis Chan, OD had a list price for eye tests, scanning computerized ophthalmic diagnostic imaging (SCODI), and SCODI of the posterior segment (SCODI-P) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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 25%

By Affordability:

In 2012, Dr. Gerald Dennis Chan, OD had a list price for eye exam, fundus photography, lab tests, and tear osmolarity test that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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 Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2012 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	67
eye procedures	205

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2013 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	67
eye procedures	270

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	117
Female	103

**Ethnicity**
Non-Hispanic White	206
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	61
85 and over	29
Less than 65	12

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2013

Hypertension	51
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	18
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2014 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	100
eye procedures	362

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	125
Female	126

**Ethnicity**
Non-Hispanic White	235
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	77
85 and over	26
Less than 65	16

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2014

Hypertension	49
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	22
Depression	10
Chronic Kidney Disease	10
Asthma	0
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2015 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	95
eye procedures	419

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	274
Female	262

**Ethnicity**
Non-Hispanic White	488
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	136
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2015

Hypertension	53
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	18
Depression	14
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	4
Atrial Fibrilation	10
Heart Failure	8
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	4
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2016 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	81
eye procedures	382
lab tests	112

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	122
Female	142

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2016

Hypertension	53
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	5
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2017 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	136
eye procedures	337
lab tests	97

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	126
Female	133

**Ethnicity**
Non-Hispanic White	235
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	70
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2017

Hypertension	52
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	17
Depression	13
Chronic Kidney Disease	15
Asthma	5
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	14
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2018 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	128
eye procedures	470
lab tests	112

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	156
Female	171

**Ethnicity**
Non-Hispanic White	299
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	88
85 and over	25
Less than 65	11

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2018

Hypertension	48
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	19
Depression	13
Chronic Kidney Disease	18
Asthma	6
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	15
Dementia	3
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2019 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	103
eye procedures	314
lab tests	66

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	123
Female	127

**Ethnicity**
Non-Hispanic White	225
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	68
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2019

Hypertension	51
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	19
Depression	12
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2020 were eye procedures and lab tests.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	90
eye procedures	144
lab tests	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	74
Female	71

**Ethnicity**
Non-Hispanic White	132
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2020

Hypertension	47
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	23
Depression	16
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	14
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2021 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	109
eye procedures	128

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	74
Female	77

**Age**
From 65 to 74	79
From 75 to 84	56
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2021

Hypertension	50
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA during 2022 were eye procedures.

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

doctor visit	41
eye procedures	176

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	68
Female	59

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	56
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2022

Hypertension	57
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	17
Depression	16
Chronic Kidney Disease	11
Asthma	0
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	12
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gerald Dennis Chan, OD for Medicare patients.

The highest averages for the top procedures that Dr. Gerald Dennis Chan, OD treated as an optometrist in Grass Valley, CA were eye procedures and lab tests.

doctor visit	92
eye procedures	291
lab tests	82

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gerald Dennis Chan, OD.

**Gender**
Male	114
Female	115

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	197
Native American / Alaskan Native	0
Hispanic	0
Other	1

**Age**
75 to 84	65
85 and over	7
Less than 65	3
65 to 74	132

Average of Total of Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD From 2012 - 2022

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

Hypertension	46
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	18
Depression	12
Chronic Kidney Disease	13
Asthma	3
Osteoporosis	7
Heart Failure	7
Chronic Obstructive Pulmonary Disease	4
Diabetes	13
Atrial Fibrillation	8
Dementia	2
Cancer	8

Education & Training

Dr. Gerald Dennis Chan, OD graduated from University of California, Berkeley Optometry in 1975. He has a state license in California.

Medical School: University of California, Berkeley Optometry (1975)

Licensed In: California

Affiliations & Hospitals

Dr. Gerald Dennis Chan, OD is associated with these hospitals and organizations:

CHAN FAMILY VISION CARE OPTOMETRIC, INC

Ratings & Reviews

Dr. Gerald Dennis Chan, OD has a high overall rating with an average of 3.67 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Gerald Dennis Chan, OD from all over the web to help you find the right in Grass Valley, CA.

3.67

Overall Rating

(3 Ratings)

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General Payments

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

**Payments by Company**
Allergan Inc.	$91 RESTASIS $91
Coopervision Inc.	$67 Clariti Contact Lens $50	Multiple Brands Contact Lens $17
GLAUKOS CORPORATION	$64 iSTENT iNJECT TRABECULAR MICRO-BYPASS STENT SYSTEM $64
TissueTech, Inc.	$49 Prokera $30	AmnioGuard $19
Johnson & Johnson Vision Care, Inc.	$33 Soft contact lenses $33
Other	$21 XELPROS $21

**Types of Payments**
Food and Beverage	$325

Biography

Dr. Gerald Chan is a specialist in optometry (primary eye care). He is rated 3.5 stars (out of 5) by his patients.

Select Year:

Dr. Gerald Dennis Chan, OD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald Dennis Chan, OD in 2023

By Affordability:

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 Dennis Chan, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Dennis Chan, OD 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. Gerald Dennis Chan, OD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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