Dr. Peter Callander, M.D.
Contact & Location
San Francisco, CA 94118
Dr. Peter Callander is a board-certified orthopedic surgeon practicing in San Francisco, California. A Medicare provider since 2006, Dr. Callander has performed 110 Medicare-verified hip replacements (#21 in California) and 67 knee replacements, for a combined total of 177 procedures.
In California, Dr. Callander performs well above average in hip (110 vs 41 avg), above average in knee (67 vs 47 avg).
Dr. Callander's reported Medicare volume is split between hip replacements (110 cases) and knee replacements (67 cases).
San Francisco is home to 23 orthopedic surgeons in the current Medicare dataset. Patients in the San Francisco area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Callander extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 88 to 177 in the most recent data, a 101% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Callander's 110 verified procedures is more than 3x the national average of 36, ranking #109 nationally.
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. Callander Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Callander's Medicare-recorded procedure volume has trended upward over 12 years, increasing 101% from 88 procedures in 2013 to 177 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. Callander
How does Dr. Callander's procedure volume compare to other California surgeons?
Dr. Callander has performed 177 Medicare-verified joint replacement procedures. This is more than 2x the California average of 68 procedures per surgeon. Dr. Callander ranks #49 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Callander perform?
Dr. Callander's Medicare data shows procedures in hip replacement (110 cases) and knee replacement (67 cases).
Are there other orthopedic surgeons near Dr. Callander in San Francisco?
Yes. There are 23 orthopedic surgeons in San Francisco 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 California surgeons.
What does the Medicare data for Dr. Callander 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. Callander's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 177 procedures shown here.
Has Dr. Callander's procedure volume changed over time?
Yes. Dr. Callander's Medicare-recorded volume has increased from 88 procedures in 2013 to 177 in the most recent data, a 101% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 177 procedures in 2024.
Does Dr. Callander perform more than one type of joint replacement?
Yes. Dr. Callander's Medicare data shows procedures in hip replacement (110 cases), knee replacement (67 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Callander affiliated with?
According to CMS facility affiliation data, Dr. Callander is affiliated with Novato Community Hospital, California Pacific Medical Center - Mission Bernal, California Pacific Medical Center- Van Ness Campus, Sonoma Valley Hospital, California Pacific Medical Ctr-Davies Campus Hosp.
How does Dr. Callander compare to other orthopedic surgeons in San Francisco?
Among the 23 orthopedic surgeons in San Francisco, Dr. Callander ranks #3 by total Medicare procedure volume. Dr. Callander is among the highest-volume surgeons in San Francisco.
What are the quality ratings for hospitals where Dr. Callander practices?
Novato Community Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); California Pacific Medical Center - Mission Bernal (4 out of 5 CMS stars, hip/knee complication rate similar to national average); California Pacific Medical Center- Van Ness Campus (3 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in San Francisco, California
Dr. Callander's 177 Medicare procedures are above the San Francisco average of 137. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Francisco.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Barry | 201 | Hip, Knee |
| Dr. Derek Ward | 190 | Hip, Knee |
| Dr. Erik Hansen | 133 | Hip, Knee |
| Dr. Christopher Cox | 95 | Hip, Knee |
| Dr. John Belzer | 88 | Knee, Shoulder |
| Dr. Heather Roberts | 74 | Hip, 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.