#9 in Oregon
Shoulder

Dr. Cay Mierisch, MD

Orthopedic Surgery
26 procedures 5 hospitals Corvallis, OR
Latest available Medicare data — updated April 2026
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Shoulder 26 vs 28 avg (2,092 surgeons)

Dr. Cay Mierisch is a board-certified orthopedic surgeon practicing in Corvallis, Oregon. Dr. Mierisch has performed 26 Medicare-verified shoulder replacements, ranking #9 in Oregon.

In Oregon, Dr. Mierisch performs near average in shoulder (26 vs 29 avg).

Dr. Mierisch's Medicare data shows a focused shoulder replacement practice with 26 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.

Corvallis is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Corvallis area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Mierisch first appears in the Medicare dataset in 2023. With 1 year of recorded data, the longitudinal trend is still developing.

Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Mierisch's 26 verified procedures is near the national average of 28.

Verified Medicare Cases

Shoulder Replacement
26 verified cases
#9 in Oregon
Estimated total: 70 – 80 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

How Dr. Mierisch Compares

Procedure volume compared to the Oregon state average.

Shoulder Average
26 Avg: 29
Dr. Mierisch Oregon Average

Contact & Location

3620 Nw Samaritan Dr Ste 201
Corvallis, OR 97330
NPI: 1083688931
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Hospital Affiliations & Quality

H
Good Samaritan Regional Medical Center
★★★☆☆
Corvallis, OR
Similar to national avg
H
Samaritan Lebanon Community Hospital
★☆☆☆☆
Lebanon, OR
H
Samaritan North Lincoln Hospital
★★★☆☆
Lincoln City, OR
Low case volume
H
Samaritan Pacific Community Hospital
★★☆☆☆
Newport, OR
Low case volume
H
Samaritan Albany General Hospital
★★★☆☆
Albany, OR
Similar to national avg

Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.

Shoulder Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Mierisch

How does Dr. Mierisch's procedure volume compare to other Oregon surgeons?

Dr. Mierisch has performed 26 Medicare-verified joint replacement procedures. The Oregon average is 57 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mierisch ranks #78 out of 106 orthopedic surgeons in Oregon.

What types of joint replacement does Dr. Mierisch perform?

Dr. Mierisch's reported Medicare volume is focused on shoulder replacement, with 26 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

How experienced is Dr. Mierisch with shoulder replacement surgery?

Dr. Mierisch ranks #9 in Oregon for shoulder replacement with 26 Medicare-verified procedures. This high ranking among 106 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Mierisch in Corvallis?

Yes. There are 4 orthopedic surgeons in Corvallis in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Oregon surgeons.

What does the Medicare data for Dr. Mierisch represent?

The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Mierisch's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 26 procedures shown here.

Which hospitals is Dr. Mierisch affiliated with?

According to CMS facility affiliation data, Dr. Mierisch is affiliated with Good Samaritan Regional Medical Center, Samaritan Lebanon Community Hospital, Samaritan North Lincoln Hospital, Samaritan Pacific Community Hospital, Samaritan Albany General Hospital.

How does Dr. Mierisch compare to other orthopedic surgeons in Corvallis?

Among the 4 orthopedic surgeons in Corvallis, Dr. Mierisch ranks #3 by total Medicare procedure volume. Dr. Mierisch is among the highest-volume surgeons in Corvallis.

What are the quality ratings for hospitals where Dr. Mierisch practices?

Good Samaritan Regional Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Samaritan Lebanon Community Hospital (1 out of 5 CMS stars); Samaritan North Lincoln Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.

Other Orthopedic Surgeons in Corvallis, Oregon

Dr. Mierisch's 26 Medicare procedures are below the Corvallis average of 36. The table below compares verified procedure volumes for orthopedic surgeons practicing in Corvallis.

SurgeonProceduresSpecialties
Dr. Richard Stanley 73 Hip, Knee, Shoulder
Dr. Nicholas Tedesco 27 Hip, Knee
Dr. Jonathan Evans 18 Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Cay Mierisch, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/or/dr-cay-mierisch-corvallis.html

Link: https://orthoprocedures.com/surgeons/or/dr-cay-mierisch-corvallis.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.