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Grant William Knowles, OD

(Grant Knowles, OD)

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Specializes in: Optometry (Primary Eye Care)

Pacific University College of Optometry (2015)

405 Boyd Lane
Monmouth, OR 97361

(503) 838-1244

Grant William Knowles, OD is an optometrist in Monmouth, OR specializing in optometry (primary eye care). He graduated from Pacific University College of Optometry in 2015 and has 11 years of experience. Grant William Knowles, OD is affiliated with CONFEDERATED TRIBES OF THE GRAND RONDE COMMUNITY OF OREGON and POLK VISION CLINICS INC.

Office Locations

405 Boyd Lane
Monmouth, OR 97361

(503) 838-1244

(503) 837-0313

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Noteworthy Medicare Patient Procedures Performed by Grant William Knowles, OD in 2023

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

Top 25%

By Affordability:

comprehensive eye exam

In 2013, Grant William Knowles, OD had a list price for comprehensive eye exam that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Oregon. 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

2017 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2017 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	18
eye procedures	36

2017 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	23
Female	33

**Age**
From 65 to 74	25
From 75 to 84	13
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Grant William Knowles, OD in 2017

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2017 were hypertension, diabetes, ischemic heart disease and high cholesterol.

Hypertension	43
High Cholesterol	23
Stroke	0
Ischemic Heart Disease	25
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	34
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2018 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	36
eye procedures	30

2018 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	25
Female	28

**Age**
From 65 to 74	31
From 75 to 84	11
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Grant William Knowles, OD in 2018

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2018 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	51
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	28
Depression	0
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2019 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	54
eye procedures	147

2019 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	77
Female	122

**Ethnicity**
Non-Hispanic White	184
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	36
85 and over	14
Less than 65	30

Conditions of Medicare patients treated by Grant William Knowles, OD in 2019

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2019 were hypertension, high cholesterol, diabetes and depression.

Hypertension	47
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	16
Depression	17
Chronic Kidney Disease	14
Asthma	6
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	6
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2020 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	63
eye procedures	151

2020 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	77
Female	121

**Ethnicity**
Non-Hispanic White	181
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	44
85 and over	12
Less than 65	21

Conditions of Medicare patients treated by Grant William Knowles, OD in 2020

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2020 were hypertension, high cholesterol, diabetes and depression.

Hypertension	46
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	7
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2021 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	70
eye procedures	166

2021 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	79
Female	136

**Ethnicity**
Non-Hispanic White	194
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	56
85 and over	16
Less than 65	23

Conditions of Medicare patients treated by Grant William Knowles, OD in 2021

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2021 were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	47
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	19
Depression	18
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2022 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	101
eye procedures	88

2022 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	60
Female	112

**Ethnicity**
Non-Hispanic White	157
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	43
85 and over	15
Less than 65	18

Conditions of Medicare patients treated by Grant William Knowles, OD in 2022

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2022 were hypertension, high cholesterol, diabetes and atrial fibrilation.

Hypertension	60
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	13
Depression	13
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR during 2023 were eye procedures.

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

doctor visit	126
eye procedures	44

2023 Medicare Patient Data

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	74
Female	90

**Ethnicity**
Non-Hispanic White	143
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	55
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Grant William Knowles, OD in 2023

The most common conditions of Medicare patients that Grant William Knowles, OD treated during 2023 were hypertension, high cholesterol, diabetes and atrial fibrilation.

Hypertension	60
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	15
Depression	15
Chronic Kidney Disease	10
Asthma	7
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	30
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Volume of procedures performed by Grant William Knowles, OD for Medicare patients.

The highest averages for the top procedures that Grant William Knowles, OD treated as an optometrist in Monmouth, OR were eye procedures.

doctor visit	66
eye procedures	94

Average Medicare Patient Data From 2017 - 2023

Information about Medicare patients treated by Grant William Knowles, OD.

**Gender**
Male	59
Female	91

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	122
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	36
85 and over	8
Less than 65	13
65 to 74	85

Average of Total of Conditions of Medicare patients treated by Grant William Knowles, OD From 2017 - 2023

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

Hypertension	50
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	12
Asthma	3
Osteoporosis	3
Heart Failure	7
Chronic Obstructive Pulmonary Disease	2
Diabetes	30
Atrial Fibrillation	6
Dementia	1
Cancer	4

Education & Training

Grant William Knowles, OD graduated from Pacific University College of Optometry in 2015. He has a state license in Oregon.

Medical School: Pacific University College of Optometry (2015)

Licensed In: Oregon

Affiliations & Hospitals

Grant William Knowles, OD is associated with these hospitals and organizations:

CONFEDERATED TRIBES OF THE GRAND RONDE COMMUNITY OF OREGON

POLK VISION CLINICS INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Johnson & Johnson Vision Care, Inc.	$250 Acuvue $250
ABB Con-Cise Optical Group LLC	$69 Contact Lens $69
SANOFI-AVENTIS U.S. LLC	$17 DIABETES - DISEASE $17

**Types of Payments**
Food and Beverage	$336

Biography

Dr. Grant Knowles is an optometry (primary eye care) specialist in Monmouth, OR. Dr. Knowles has obtained a license to practice in Oregon.

Select Year:

Grant William Knowles, OD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Grant William Knowles, OD in 2023

By Affordability:

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Grant William Knowles, OD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Average Medicare Patient Data From 2017 - 2023

Average of Total of Conditions of Medicare patients treated by Grant William Knowles, OD From 2017 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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