In 2012, Dr. Kent A. Karren, MD, Phys had a list price for laser eye surgery, secondary cataract surgery, YAG laser capsulotomy, and YAG laser surgery 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

2012 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2012 were eye procedures, capsulotomy, laser treatment and injections.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	29
doctor visit	134
eye procedures	1431
injections	21
laser treatment	29
ultrasound (sonogram)	18

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2013 were eye procedures, capsulotomy, laser treatment and lab tests.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	70
doctor visit	528
eye procedures	1219
injections	25
lab tests	50
laser treatment	70

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	387
Female	500

**Ethnicity**
Non-Hispanic White	852
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	278
85 and over	141
Less than 65	52

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2013

Hypertension	52
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	19
Asthma	4
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2014 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	42
doctor visit	1185
eye procedures	588
injections	24
lab tests	331
laser treatment	42

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	377
Female	509

**Ethnicity**
Non-Hispanic White	843
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	387
From 75 to 84	301
85 and over	153
Less than 65	45

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2014

Hypertension	53
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	18
Asthma	5
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2015 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	72
doctor visit	1226
eye procedures	915
injections	31
lab tests	379
laser treatment	72

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	822
Female	1268

**Ethnicity**
Non-Hispanic White	1980
Black	0
Hispanic	46
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	934
From 75 to 84	706
85 and over	334
Less than 65	116

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2015

Hypertension	54
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	27
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2016 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	128
doctor visit	1560
eye procedures	1365
injections	32
lab tests	232
laser treatment	128

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	536
Female	800

**Ethnicity**
Non-Hispanic White	1266
Black	0
Hispanic	26
Asian	11
Other	15
Native American	0

**Age**
From 65 to 74	592
From 75 to 84	463
85 and over	202
Less than 65	79

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2016

Hypertension	57
High Cholesterol	46
Stroke	4
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2017 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	138
doctor visit	1494
eye procedures	1225
injections	35
lab tests	170
laser treatment	138

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	528
Female	756

**Ethnicity**
Non-Hispanic White	1215
Black	0
Hispanic	21
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	580
From 75 to 84	437
85 and over	189
Less than 65	78

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2017

Hypertension	56
High Cholesterol	39
Stroke	3
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	29
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2018 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	128
doctor visit	1241
eye procedures	1603
lab tests	133
laser treatment	128

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	536
Female	739

**Ethnicity**
Non-Hispanic White	1190
Black	0
Hispanic	29
Asian	12
Other	27
Native American	0

**Age**
From 65 to 74	615
From 75 to 84	433
85 and over	162
Less than 65	65

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2018

Hypertension	56
High Cholesterol	45
Stroke	3
Ischemic Heart Disease	20
Depression	20
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2019 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	66
doctor visit	919
eye procedures	1563
lab tests	146
laser treatment	66
ultrasound (sonogram)	20

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	435
Female	614

**Ethnicity**
Non-Hispanic White	984
Black	0
Hispanic	18
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	490
From 75 to 84	368
85 and over	127
Less than 65	64

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2019

Hypertension	55
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	21
Depression	24
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	30
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2020 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	40
doctor visit	790
eye procedures	1572
lab tests	86
laser treatment	40
ultrasound (sonogram)	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	344
Female	541

**Ethnicity**
Non-Hispanic White	811
Black	0
Hispanic	20
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	418
From 75 to 84	305
85 and over	94
Less than 65	68

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2020

Hypertension	53
High Cholesterol	44
Stroke	2
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	32
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2021 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	42
doctor visit	1098
eye procedures	1221
lab tests	74
laser treatment	42

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	375
Female	517

**Ethnicity**
Non-Hispanic White	831
Black	0
Hispanic	18
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	407
From 75 to 84	323
85 and over	109
Less than 65	53

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2021

Hypertension	56
High Cholesterol	48
Stroke	4
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR during 2022 were eye procedures, lab tests, capsulotomy and laser treatment.

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

capsulotomy	33
doctor visit	805
eye procedures	1192
lab tests	58
laser treatment	33
ultrasound (sonogram)	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	356
Female	466

**Ethnicity**
Non-Hispanic White	752
Black	0
Hispanic	26
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	327
85 and over	107
Less than 65	41

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2022

Hypertension	66
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	16
Depression	19
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	28
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kent A. Karren, MD, Phys for Medicare patients.

The highest averages for the top procedures that Dr. Kent A. Karren, MD, Phys treated as an ophthalmologist in Eugene, OR were eye procedures, lab tests, capsulotomy and laser treatment.

capsulotomy	71
doctor visit	998
eye procedures	1263
injections	28
lab tests	165
laser treatment	71
ultrasound (sonogram)	18

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kent A. Karren, MD, Phys.

**Gender**
Male	426
Female	610

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	2
Non-Hispanic White	974
Native American / Alaskan Native	0
Hispanic	21
Other	17

**Age**
75 to 84	358
85 and over	147
Less than 65	60
65 to 74	471

Average of Total of Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Kent A. Karren, MD, Phys treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	50
High Cholesterol	43
Stroke	3
Ischemic Heart Disease	18
Depression	17
Chronic Kidney Disease	21
Asthma	6
Osteoporosis	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Atrial Fibrillation	10
Dementia	6
Cancer	7

Education & Training

He has a state license in Oregon.

Licensed In: Oregon

Ratings & Reviews

Dr. Kent A. Karren, MD, Phys has an average of 1.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Kent A. Karren, MD, Phys from all over the web to help you find the right in Eugene, OR.

Overall Rating

(2 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Kent A. Karren, MD, Phys. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Ivantis, Inc	$416 Hydrus $279	Hydrus Microstent $136
Abbott Laboratories	$390 Optics $353	Medical Optics $19	Healon Viscoelastics $19
Alcon Vision LLC	$362 ORA $230	Hydrus Microstent $75	Rocklatan $56
Sun Pharmaceutical Industries Inc.	$345 CEQUA $176	XELPROS $113	Bromsite $56
Allergan Inc.	$295 RESTASIS $98	LUMIGAN $84	COMBIGAN $83	NATRELLE 410 IMPLANTS $17	$13
Other	$3,163 TearLab Osmolarity System $263	STELLARIS $250	XIIDRA $248	DURYSTA $239	Rhopressa $219	Other $1,945

**Types of Payments**
Food and Beverage	$4,434
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$250
Consulting Fee	$150
Education	$137

Biography

Dr. Kent Karren is a medical specialist in ophthalmology (eye disease). He attended medical school at Medical College of Wisconsin.

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Dr. Kent A. Karren, MD, Phys

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Kent A. Karren, MD, Phys in 2023

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. Kent A. Karren, MD, Phys in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kent A. Karren, MD, Phys 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. Kent A. Karren, MD, Phys From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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