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Dr. Cay Michael Mierisch, MD

Accepting New Patients

(318 Ratings)

Specializes in: Orthopedics/Orthopedic Surgery and Hand Surgery

Professional interests include: hand surgery procedures, shoulder injury, shoulder arthroscopy

1046 6th Avenue Sw
Albany, OR 97321

(541) 812-4000

Dr. Cay Michael Mierisch, MD is an orthopedist in Corvallis, OR specializing in orthopedics/orthopedic surgery and hand surgery. Dr. Cay Michael Mierisch, MD is affiliated with Samaritan Health System and GOOD SAMARITAN HOSPITAL CORVALLIS.

Office Locations

3620 NW Samaritan Drive Suite 201
Corvallis, OR 97330

open_in_new

Samaritan Health System

1046 6th Avenue Sw
Albany, OR 97321

(541) 812-4000

(541) 812-4126

open_in_new

Samaritan Health System

525 N Santiam Highway
Lebanon, OR 97355

(541) 258-2101

(541) 812-2093

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Noteworthy Medicare Patient Procedures Performed by Dr. Cay Michael Mierisch, MD in 2023

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

Top 5%

By Volume:

arthroscopic acromioplasty

arthroscopic shoulder debridement

arthroscopic surgery

surgical debridement

total shoulder replacement

By Affordability:

shoulder arthroscopy

shoulder surgery

In 2023, among providers in related specialties within Oregon, Dr. Cay Michael Mierisch, MD performed more arthroscopic acromioplasty, arthroscopic shoulder debridement, arthroscopic surgery, surgical debridement, and total shoulder replacement procedures for Medicare patients than 95% of them and he also had a list price for shoulder arthroscopy, and shoulder surgery that was lower than the list prices billed to Medicare by 95% of them. 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 10%

By Volume:

joint surgery

In 2023, Dr. Cay Michael Mierisch, MD performed more joint surgery procedures for Medicare patients than 90% of providers in related specialties within Oregon.

Top 25%

By Volume:

joint reconstruction

upper extremity surgery

In 2012, Dr. Cay Michael Mierisch, MD performed more joint reconstruction, and upper extremity surgery procedures for Medicare patients than 75% of providers in related specialties within Oregon.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2012 were upper extremity surgery, joint surgery, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	103
debridement (removal of unhealthy tissue)	44
decompression surgery	66
doctor visit	372
excision	27
injections	103
joint surgery	197
minimally invasive procedures	187
nerve procedures	31
open surgery	28
reconstructive surgery	41
tendon surgery	28
upper extremity surgery	228

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2013 were upper extremity surgery, joint surgery, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	107
debridement (removal of unhealthy tissue)	24
decompression surgery	59
doctor visit	390
excision	24
injections	129
joint surgery	175
minimally invasive procedures	162
nerve procedures	24
open surgery	17
reconstructive surgery	37
tendon surgery	29
upper extremity surgery	198

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	173
Female	209

**Ethnicity**
Non-Hispanic White	345
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	76
85 and over	24
Less than 65	116

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2013

Hypertension	66
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	26
Depression	33
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2014 were upper extremity surgery, injections, joint surgery and aspiration.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	123
debridement (removal of unhealthy tissue)	12
decompression surgery	45
doctor visit	494
injections	140
joint surgery	131
minimally invasive procedures	90
nerve procedures	20
reconstructive surgery	61
tendon surgery	15
upper extremity surgery	151

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	160
Female	246

**Ethnicity**
Non-Hispanic White	367
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	104
85 and over	24
Less than 65	115

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2014

Hypertension	68
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	27
Depression	33
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2015 were injections, upper extremity surgery, aspiration and joint surgery.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	141
decompression surgery	53
doctor visit	566
injections	162
joint surgery	117
minimally invasive procedures	88
nerve procedures	28
reconstructive surgery	57
tendon surgery	14
upper extremity surgery	145

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	362
Female	588

**Ethnicity**
Non-Hispanic White	860
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	252
85 and over	68
Less than 65	192

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2015

Hypertension	68
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	27
Depression	31
Chronic Kidney Disease	19
Asthma	17
Osteoperosis	8
Atrial Fibrilation	5
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2016 were upper extremity surgery, joint surgery, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	149
debridement (removal of unhealthy tissue)	19
decompression surgery	61
doctor visit	621
excision	15
injections	163
joint surgery	194
minimally invasive procedures	157
nerve procedures	21
reconstructive surgery	58
tendon surgery	29
upper extremity surgery	215

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	176
Female	295

**Ethnicity**
Non-Hispanic White	430
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	142
85 and over	35
Less than 65	86

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2016

Hypertension	70
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	31
Depression	31
Chronic Kidney Disease	21
Asthma	22
Osteoperosis	8
Atrial Fibrilation	7
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2017 were injections, aspiration, upper extremity surgery and joint surgery.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	225
debridement (removal of unhealthy tissue)	24
decompression surgery	37
doctor visit	734
injections	249
joint surgery	117
minimally invasive procedures	87
nerve procedures	16
reconstructive surgery	46
tendon surgery	13
upper extremity surgery	133

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	205
Female	283

**Ethnicity**
Non-Hispanic White	439
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	141
85 and over	34
Less than 65	83

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2017

Hypertension	70
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2018 were injections, aspiration, upper extremity surgery and joint surgery.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	138
debridement (removal of unhealthy tissue)	24
decompression surgery	39
doctor visit	578
injections	165
joint surgery	115
minimally invasive procedures	96
nerve procedures	18
reconstructive surgery	37
tendon surgery	15
upper extremity surgery	133

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	168
Female	255

**Ethnicity**
Non-Hispanic White	371
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	118
85 and over	30
Less than 65	73

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2018

Hypertension	72
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2019 were upper extremity surgery, injections, joint surgery and aspiration.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	150
debridement (removal of unhealthy tissue)	29
decompression surgery	48
doctor visit	578
excision	17
injections	169
joint surgery	154
minimally invasive procedures	130
nerve procedures	21
reconstructive surgery	45
tendon surgery	16
upper extremity surgery	175

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	192
Female	269

**Ethnicity**
Non-Hispanic White	416
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	121
85 and over	36
Less than 65	85

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2019

Hypertension	70
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	27
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2020 were injections, aspiration, upper extremity surgery and joint surgery.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	123
closed (non-surgical) treatment of fracture	12
debridement (removal of unhealthy tissue)	16
decompression surgery	31
doctor visit	450
injections	157
joint surgery	77
minimally invasive procedures	58
nerve procedures	17
reconstructive surgery	36
tendon surgery	11
upper extremity surgery	94

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	159
Female	256

**Ethnicity**
Non-Hispanic White	383
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	126
85 and over	21
Less than 65	57

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2020

Hypertension	67
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2021 were injections, aspiration, reconstructive surgery and joint surgery.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	136
doctor visit	420
injections	169
joint surgery	17
reconstructive surgery	17
upper extremity surgery	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	157
Female	249

**Ethnicity**
Non-Hispanic White	371
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	127
85 and over	17
Less than 65	56

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2021

Hypertension	67
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR during 2022 were injections and aspiration.

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

aspiration	87
doctor visit	365
injections	115

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	110
Female	165

**Ethnicity**
Non-Hispanic White	259
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	73
85 and over	14
Less than 65	47

Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD in 2022

Hypertension	68
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	16
Depression	24
Chronic Kidney Disease	12
Asthma	13
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Cay Michael Mierisch, MD for Medicare patients.

The highest averages for the top procedures that Dr. Cay Michael Mierisch, MD treated as an orthopedist in Corvallis, OR were injections, upper extremity surgery, aspiration and joint surgery.

aspiration	134
closed (non-surgical) treatment of fracture	12
debridement (removal of unhealthy tissue)	24
decompression surgery	48
doctor visit	506
excision	20
injections	156
joint surgery	129
minimally invasive procedures	117
nerve procedures	21
open surgery	22
reconstructive surgery	43
tendon surgery	18
upper extremity surgery	148

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Cay Michael Mierisch, MD.

**Gender**
Male	169
Female	255

**Ethnicity**
Black / African American	12
Asian / Pacific Islander	0
Non-Hispanic White	385
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	116
85 and over	27
Less than 65	82
65 to 74	198

Average of Total of Conditions of Medicare patients treated by Dr. Cay Michael Mierisch, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Cay Michael Mierisch, MD treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	62
High Cholesterol	50
Stroke	2
Ischemic Heart Disease	25
Depression	25
Chronic Kidney Disease	20
Asthma	11
Osteoporosis	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Atrial Fibrillation	7
Dementia	4
Cancer	8

Education & Training

He completed residency at University of Virginia Affiliated Hospitals. He is certified by the Board Certification: Orthopedic Surgery and has a state license in Oregon.

Residency: University of Virginia Affiliated Hospitals

Board Certification: Board Certification: Orthopedic Surgery

Licensed In: Oregon

Affiliations & Hospitals

Dr. Cay Michael Mierisch, MD is associated with these hospitals and organizations:

Samaritan Health System

GOOD SAMARITAN HOSPITAL CORVALLIS

Ratings & Reviews

Dr. Cay Michael Mierisch, MD has an exceptional overall rating with an average of 4.68 out of 5 stars based on 318 ratings. We collect ratings and reviews of Dr. Cay Michael Mierisch, MD from all over the web to help you find the right in Corvallis, OR.

4.68

Overall Rating

(318 Ratings)

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General Payments

These charts describe general payments received by Dr. Cay Michael Mierisch, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Steelhead Surgical Inc	$7,794 $7,794
Supreme Orthopedic Systems, LLC	$3,092 $3,092
Arthrex, Inc.	$2,522 ARTHROPLASTY IMPLANTS REVERS TOTAL SHOULDER MODULAR GLENOID SYSTEMS $116	ARTHREX $80	$2,326
Fortis Surgical, LLC	$1,943 $1,943
Tornier, Inc.	$1,922 UE - Aequalis Ascend Flex $1,922
Other	$1,223 AEQUALIS ASCEND FLEX $438	BLUEPRINT PATIENT SPECIFIC INSTRUMENTATION $299	Shoulder/SM JT $93	Trauma $57	AVANCE NERVE GRAFT $49	Other $287

**Types of Payments**
Education	$12,679
Travel and Lodging	$2,298
Consulting Fee	$1,922
Food and Beverage	$1,597

Research Payments

Dr. Cay Michael Mierisch, MD has received 2 research payments totaling $364.

Biography

Dr. Cay Mierisch works as a hand surgery and orthopedics/orthopedic surgery. Dr. Mierisch's clinical interests encompass hand surgery procedures, shoulder injury, and shoulder arthroscopy. His average patient rating is 4.5 stars (out of 5). For his professional training, Dr. Mierisch completed a residency program at a hospital affiliated with the University of Virginia. He is professionally affiliated with Samaritan Health System. Dr. Mierisch's practice in Albany, OR is open to new patients as reported by Samaritan Health Services.