Dr. Mariya Opanova
Contact & Location
808-485-4120
Aiea, HI 96701
About Dr. Opanova
Dr. Mariya Opanova is a board-certified orthopedic surgeon practicing in Aiea, Hawaii. A Medicare provider since 2014, Dr. Opanova performed 13 Medicare-verified knee replacements (#13 in Hawaii) and 11 hip replacements in the latest annual CMS data, for a combined total of 24 procedures.
In Hawaii, Dr. Opanova performs below the state average in knee (13 vs 33), below the state average in hip (11 vs 33).
Dr. Opanova's reported Medicare volume is split between knee replacements (13 cases) and hip replacements (11 cases).
Aiea is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Aiea area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Opanova's Medicare data spans 5 years, beginning in 2020. Volume peaked at 67 procedures in 2021 before settling at 24 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Opanova's 13 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 22 | 18 |
| 2021 | 32 | 35 |
| 2022 | 12 | 13 |
| 2023 | 13 | 0 |
| 2024 | 11 | 13 |
Verified Medicare Cases
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. Opanova Compares
Procedure volume compared to the Hawaii state average.
Volume Trend Analysis
Dr. Opanova's recorded volume peaked at 67 procedures in 2021 and stood at 24 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
Hospital Affiliations & Quality
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.
Patient Resources: Preparing for Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Opanova
How does Dr. Opanova's procedure volume compare to other Hawaii surgeons?
Dr. Opanova has performed 24 Medicare-verified joint replacement procedures. The Hawaii average is 57 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Opanova ranks #13 out of 14 orthopedic surgeons in Hawaii.
What types of joint replacement does Dr. Opanova perform?
Dr. Opanova's Medicare data shows procedures in knee replacement (13 cases) and hip replacement (11 cases).
How experienced is Dr. Opanova with knee replacement surgery?
Dr. Opanova ranks #13 in Hawaii for knee replacement with 13 Medicare-verified procedures. This high ranking among 14 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Opanova in Aiea?
Yes. There are 2 orthopedic surgeons in Aiea 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 Hawaii surgeons.
What does the Medicare data for Dr. Opanova 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. Opanova's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 24 procedures shown here.
Has Dr. Opanova's procedure volume changed over time?
Dr. Opanova's Medicare-recorded volume peaked at 67 procedures in 2021 and was 24 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Opanova perform more than one type of joint replacement?
Yes. Dr. Opanova's Medicare data shows procedures in knee replacement (13 cases), hip replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Opanova affiliated with?
According to CMS facility affiliation data, Dr. Opanova is affiliated with Pali Momi Medical Center, Straub Clinic And Hospital.
What are the quality ratings for hospitals where Dr. Opanova practices?
Pali Momi Medical Center (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Straub Clinic And Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Aiea, Hawaii
Dr. Opanova's 24 Medicare procedures are below the Aiea average of 31. The table below compares verified procedure volumes for orthopedic surgeons practicing in Aiea.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Calvin Oishi | 37 | Knee |
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.