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Home > MI Providers > Optometrists

Dr. David Ryan Harkema, OD

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Specializes in: Optometry (Primary Eye Care)

38 N Union Street
Sparta, MI 49345

(616) 887-8811

Dr. David Ryan Harkema, OD is an optometrist in Sparta, MI specializing in optometry (primary eye care).

Office Locations

38 N Union Street
Sparta, MI 49345

(616) 887-8811

(616) 887-8789

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2012 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	201
eye procedures	41

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2013 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	186
eye procedures	23

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	57
Female	106

**Age**
From 65 to 74	56
From 75 to 84	65
85 and over	28
Less than 65	14

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2013

Hypertension	65
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	25
Depression	20
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2014 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	129
eye procedures	35

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	53
Female	82

**Age**
From 65 to 74	49
From 75 to 84	51
85 and over	20
Less than 65	15

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2014

Hypertension	60
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	16
Asthma	0
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2015 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	141
eye procedures	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	98
Female	194

**Age**
From 65 to 74	108
From 75 to 84	92
85 and over	68
Less than 65	24

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2015

Hypertension	71
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	25
Asthma	8
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	12
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	139

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	53
Female	82

**Age**
From 65 to 74	54
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2016

Hypertension	70
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	27
Depression	14
Chronic Kidney Disease	22
Asthma	20
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	10
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2017 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	99
eye procedures	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	39
Female	67

**Age**
From 65 to 74	40
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2017

Hypertension	71
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	77

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	36
Female	54

**Age**
From 65 to 74	37
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2018

Hypertension	72
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	37
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	85

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	26
Female	54

**Age**
From 65 to 74	32
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2019

Hypertension	75
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	28
Depression	15
Chronic Kidney Disease	33
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	36
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2020 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	21
eye procedures	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	31
Female	36

**Age**
From 65 to 74	27
From 75 to 84	29
85 and over	11
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2020

Hypertension	67
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	27
Depression	0
Chronic Kidney Disease	40
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

2021 Medicare Procedure Volume

The top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI during 2021 were eye procedures.

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	26
eye procedures	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	30
Female	36

**Age**
From 65 to 74	36
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2021

Hypertension	67
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	20
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

doctor visit	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	15
Female	19

**Age**
From 65 to 74	14
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2022

Hypertension	74
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Ryan Harkema, OD for Medicare patients.

The highest averages for the top procedures that Dr. David Ryan Harkema, OD treated as an optometrist in Sparta, MI were eye procedures.

doctor visit	101
eye procedures	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Ryan Harkema, OD.

**Gender**
Male	39
Female	66

**Age**
75 to 84	35
85 and over	11
Less than 65	4
65 to 74	41

Average of Total of Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. David Ryan Harkema, OD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	62
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	23
Depression	12
Chronic Kidney Disease	23
Asthma	2
Osteoporosis	0
Heart Failure	5
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Atrial Fibrillation	6
Dementia	1
Cancer	0

Education & Training

He has a state license in Michigan.

Licensed In: Michigan

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. David Ryan Harkema, 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	$122 BIOTRUE ONE DAY $122
Bausch and Lomb Inc.	$99 ULTRA $99
Coopervision Inc.	$74 Clariti Contact Lens $74
Bausch & Lomb Americas Inc.	$21 Infuse $21
Allergan Inc.	$13 RESTASIS $13

**Types of Payments**
Food and Beverage	$328

Biography

Dr. David Harkema specializes in optometry (primary eye care) and practices in Sparta, MI. Dr. Harkema obtained a license to practice in Michigan.

Select Year:

Dr. David Ryan Harkema, 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 Dr. David Ryan Harkema, OD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, OD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. David Ryan Harkema, 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. David Ryan Harkema, OD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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