Dr. Gregory Dietrich, M.D.
Contact & Location
208-743-3523
Lewiston, ID 83501
Dr. Dietrich performs more hip replacement procedures than 21% of orthopedic surgeons in Idaho, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #30 of 38 ranked hip surgeons in Idaho.
About Dr. Dietrich
Practice. Dr. Gregory Dietrich is a board-certified orthopedic surgeon practicing in Lewiston, Idaho. The latest annual CMS data records 17 hip replacements. That is #30 in Idaho for hip replacement. Dr. Dietrich also holds credentials in Orthopaedic Surgery of the Spine.
Trend. Medicare records run from 2013 to 2024, 10 years. Volume rose from 14 procedures a year to 17, up 21%.
National context. Among 4,542 hip replacement surgeons tracked nationally, 17 procedures is below the national average of 36. Medicare covers part of all joint replacements, so true volume is likely higher.
Local context. Lewiston has 5 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist. Dr. Dietrich also holds hospital privileges in ID and WA, a practice that extends beyond Idaho.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement |
|---|---|
| 2013 | 14 |
| 2014 | 0 |
| 2015 | 22 |
| 2016 | 0 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 25 |
| 2020 | 18 |
| 2021 | 13 |
| 2022 | 26 |
| 2023 | 21 |
| 2024 | 17 |
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 25% to 33% for hip replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.
How Dr. Dietrich Compares
Procedure volume compared to the Idaho state average.
Volume Trend Analysis
Dr. Dietrich's Medicare-recorded procedure volume has trended upward over 10 years, increasing 21% from 14 procedures in 2013 to 17 in the most recent data.
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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Dietrich
How does Dr. Dietrich's procedure volume compare to other Idaho surgeons?
Dr. Dietrich has performed 17 Medicare-verified joint replacement procedures. The Idaho average is 57 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Dietrich ranks #57 out of 70 orthopedic surgeons in Idaho.
What types of joint replacement does Dr. Dietrich perform?
Dr. Dietrich's reported Medicare volume is focused on hip replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Dietrich in Lewiston?
Yes. There are 5 orthopedic surgeons in Lewiston 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 Idaho surgeons.
What does the Medicare data for Dr. Dietrich represent?
The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 25% to 33% for hip replacement, which puts Dr. Dietrich's total volume across all insurers at roughly 50 to 70 procedures against the 17 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.
Has Dr. Dietrich's procedure volume changed over time?
Yes. Dr. Dietrich's Medicare-recorded volume has increased from 14 procedures in 2013 to 17 in the most recent data, a 21% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 26 procedures in 2022.
Which hospitals is Dr. Dietrich affiliated with?
According to CMS facility affiliation data, Dr. Dietrich is affiliated with St Joseph Regional Medical Center, Tri-State Memorial Hospital, St Mary'S Hospital, Syringa General Hospital, Gritman Medical Center. Dr. Dietrich maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Dietrich compare to other orthopedic surgeons in Lewiston?
Among the 5 orthopedic surgeons in Lewiston, Dr. Dietrich ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Lewiston has 130 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Dietrich practices?
St Joseph Regional Medical Center (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); Tri-State Memorial 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 Lewiston, Idaho
Dr. Dietrich's 17 Medicare procedures are below the Lewiston average of 91. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lewiston.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Jelinek | 130 | Hip, Knee, Shoulder |
| Dr. Regan Hansen | 119 | Hip, Knee, Shoulder |
| Dr. Bryan Beardsley | 113 | Hip, Knee, Shoulder |
| Dr. Dewayne Weaver | 74 | Hip, Knee, Shoulder |
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.