Shoulder
Dr. Mark Schrumpf, M.D.
Dr. Mark Schrumpf is a board-certified orthopedic surgeon practicing in San Francisco, California. A Medicare provider since 2007, Dr. Schrumpf has performed 42 Medicare-verified shoulder replacements, ranking #27 in California.
In California, Dr. Schrumpf performs above average in shoulder (42 vs 30 avg).
Dr. Schrumpf's Medicare data shows a focused shoulder replacement practice with 42 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.
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. Schrumpf extend back to 2013, covering 8 years of data. Over that period, recorded procedure volume increased from 26 to 42 in the most recent data, a 62% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Schrumpf's 42 verified procedures is above the national average of 28.
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. Schrumpf Compares
Procedure volume compared to the California state average.
Contact & Location
San Francisco, CA 94118
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Schrumpf's Medicare-recorded procedure volume has trended upward over 8 years, increasing 62% from 26 procedures in 2013 to 42 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
Evidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
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. Schrumpf
How does Dr. Schrumpf's procedure volume compare to other California surgeons?
Dr. Schrumpf has performed 42 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Schrumpf ranks #304 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Schrumpf perform?
Dr. Schrumpf's reported Medicare volume is focused on shoulder replacement, with 42 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Schrumpf 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. Schrumpf 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. Schrumpf's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 42 procedures shown here.
Has Dr. Schrumpf's procedure volume changed over time?
Yes. Dr. Schrumpf's Medicare-recorded volume has increased from 26 procedures in 2013 to 42 in the most recent data, a 62% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 50 procedures in 2019.
Which hospitals is Dr. Schrumpf affiliated with?
According to CMS facility affiliation data, Dr. Schrumpf is affiliated with Novato Community Hospital, California Pacific Medical Ctr-Davies Campus Hosp, California Pacific Medical Center - Mission Bernal, California Pacific Medical Center- Van Ness Campus, Ucsf Medical Center.
How does Dr. Schrumpf compare to other orthopedic surgeons in San Francisco?
Among the 23 orthopedic surgeons in San Francisco, Dr. Schrumpf ranks #13 by total Medicare procedure volume. The highest-volume surgeon in San Francisco has 162 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Schrumpf practices?
Novato Community Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); California Pacific Medical Ctr-Davies Campus Hosp (3 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). 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. Schrumpf's 42 Medicare procedures are below the San Francisco average of 109. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Francisco.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Barry | 162 | Hip, Knee |
| Dr. Peter Callander | 140 | Hip, Knee |
| Dr. Derek Ward | 133 | Hip, Knee |
| Dr. Erik Hansen | 120 | Hip, Knee |
| Dr. James Kelly | 93 | Shoulder |
| Dr. Christopher Cox | 76 | Hip, Knee |
Patient Reviews & Ratings
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