Dr. Tanner Harrah, D.O.
Contact & Location
San Dimas, CA 91773
Dr. Tanner Harrah is a board-certified orthopedic surgeon practicing in San Dimas, California. Dr. Harrah has performed 23 Medicare-verified knee replacements (#320 in California) and 11 hip replacements, for a combined total of 34 procedures.
In California, Dr. Harrah performs below average in knee (23 vs 47 avg), below average in hip (11 vs 41 avg).
Dr. Harrah's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (11 cases).
Dr. Harrah is the only orthopedic surgeon in San Dimas represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Dr. Harrah first appears in the Medicare dataset in 2024. With 1 year of recorded data, the longitudinal trend is still developing.
Dr. Harrah's 23 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)
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. Harrah Compares
Procedure volume compared to the California state average.
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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Harrah
How does Dr. Harrah's procedure volume compare to other California surgeons?
Dr. Harrah has performed 34 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Harrah ranks #367 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Harrah perform?
Dr. Harrah's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (11 cases).
Where is Dr. Harrah's practice located?
Dr. Harrah practices in San Dimas, California. The office is located at 1334 W Covina Blvd Ste 105, San Dimas, CA 91773. Patients in the surrounding area can consult Dr. Harrah for joint replacement evaluation.
What does the Medicare data for Dr. Harrah 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. Harrah's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.
Does Dr. Harrah perform more than one type of joint replacement?
Yes. Dr. Harrah's Medicare data shows procedures in knee replacement (23 cases), hip replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Harrah affiliated with?
According to CMS facility affiliation data, Dr. Harrah is affiliated with San Dimas Community Hospital, Montclair Hospital Medical Center, Chino Valley Medical Center, Casa Colina Hospital.
What are the quality ratings for hospitals where Dr. Harrah practices?
San Dimas Community Hospital (1 out of 5 CMS stars, hip/knee complication rate similar to national average); Montclair Hospital Medical Center (3 out of 5 CMS stars); Chino Valley Medical Center (2 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.
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.