Dr. Joseph Kahan, MD
Contact & Location
South Portland, ME 04106
Dr. Joseph Kahan is a board-certified orthopedic surgeon practicing in South Portland, Maine. A Medicare provider since 2017, Dr. Kahan has performed 18 Medicare-verified shoulder replacements, ranking #6 in Maine.
In Maine, Dr. Kahan performs below average in shoulder (18 vs 24 avg).
Dr. Kahan's Medicare data shows a focused shoulder replacement practice with 18 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.
South Portland is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the South Portland area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Kahan also maintains hospital privileges in ME and NH, indicating a regional practice that extends beyond Maine.
Dr. Kahan first appears in the Medicare dataset in 2023. With 2 years of recorded data, the longitudinal trend is still developing.
Dr. Kahan's 18 shoulder replacement procedures is below the national average of 29 among 2,213 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. Kahan Compares
Procedure volume compared to the Maine state average.
Volume Trend Analysis
Dr. Kahan has 2 years of Medicare procedure data beginning in 2023. Additional years of data will provide a clearer picture of volume trends.
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.
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.
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. Kahan
How does Dr. Kahan's procedure volume compare to other Maine surgeons?
Dr. Kahan has performed 18 Medicare-verified joint replacement procedures. The Maine average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Kahan ranks #33 out of 43 orthopedic surgeons in Maine.
What types of joint replacement does Dr. Kahan perform?
Dr. Kahan's reported Medicare volume is focused on shoulder replacement, with 18 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Kahan with shoulder replacement surgery?
Dr. Kahan ranks #6 in Maine for shoulder replacement with 18 Medicare-verified procedures. This high ranking among 43 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Kahan in South Portland?
Yes. There are 2 orthopedic surgeons in South Portland 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 Maine surgeons.
What does the Medicare data for Dr. Kahan 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. Kahan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 18 procedures shown here.
Which hospitals is Dr. Kahan affiliated with?
According to CMS facility affiliation data, Dr. Kahan is affiliated with Mainehealth Maine Medical Center, Mainehealth Memorial Hospital, Mainehealth Waldo Hospital. Dr. Kahan maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
What are the quality ratings for hospitals where Dr. Kahan practices?
Mainehealth Maine Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Mainehealth Memorial Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Mainehealth Waldo Hospital (2 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 South Portland, Maine
Dr. Kahan's 18 Medicare procedures are below the South Portland average of 44. The table below compares verified procedure volumes for orthopedic surgeons practicing in South Portland.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jonathan Watling | 69 | 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.