#74 Knee
#79 Shoulder
#173 Hip

Dr. Robert Mannherz, MD

Orthopedic Surgery
85 procedures 1 hospital Southampton, PA
Latest available Medicare data — updated April 2026
Rising Star
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 16 vs 36 avg (4,526 surgeons)
Knee 56 vs 45 avg (6,720 surgeons)
Shoulder 13 vs 28 avg (2,092 surgeons)

Dr. Robert Mannherz is a board-certified orthopedic surgeon practicing in Southampton, Pennsylvania. Dr. Mannherz has completed 56 knee replacements (#74 in Pennsylvania), 16 hip replacements, and 13 shoulder replacements, totaling 85 Medicare-verified procedures.

In Pennsylvania, Dr. Mannherz performs above average in knee (56 vs 45 avg), below average in hip (16 vs 34 avg), below average in shoulder (13 vs 29 avg).

Dr. Mannherz performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (56 cases), followed by hip replacements (16) and shoulder replacements (13).

Southampton is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Southampton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Mannherz extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 25 to 85 in the most recent data, a 240% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Mannherz's 56 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
56 verified cases
#74 in Pennsylvania
Hip Replacement
16 verified cases
#173 in Pennsylvania
Shoulder Replacement
13 verified cases
#79 in Pennsylvania
Estimated total: 230 – 260 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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. Mannherz Compares

Procedure volume compared to the Pennsylvania state average.

Hip Below Avg
16 Avg: 34
Knee High
56 Avg: 45
Shoulder Below Avg
13 Avg: 29
Dr. Mannherz Pennsylvania Average

Contact & Location

283 Second Street Pike
Southampton, PA 18966
NPI: 1083614705
Credentials: MD
Active Medicare provider
Find Practice on Google Maps

Volume Trend Analysis

Dr. Mannherz's Medicare-recorded procedure volume has trended upward over 11 years, increasing 240% from 25 procedures in 2013 to 85 in the most recent data.

Years of Data 11
2023 Volume 85
Peak Volume 99 (2021)
Trend Growing

Hospital Affiliations & Quality

H
Holy Redeemer Hospital And Medical Center
★★☆☆☆
Meadowbrook, PA
Similar to national avg

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.

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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. Mannherz

How does Dr. Mannherz's procedure volume compare to other Pennsylvania surgeons?

Dr. Mannherz has performed 85 Medicare-verified joint replacement procedures. This is in line with the Pennsylvania average of 63 procedures per surgeon. Dr. Mannherz ranks #93 out of 388 orthopedic surgeons in Pennsylvania.

What types of joint replacement does Dr. Mannherz perform?

Dr. Mannherz performs all three major joint replacement procedures: knee replacement (56 cases), hip replacement (16 cases), shoulder replacement (13 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.

Are there other orthopedic surgeons near Dr. Mannherz in Southampton?

Yes. There are 3 orthopedic surgeons in Southampton 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 Pennsylvania surgeons.

What does the Medicare data for Dr. Mannherz 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. Mannherz's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 85 procedures shown here.

Has Dr. Mannherz's procedure volume changed over time?

Yes. Dr. Mannherz's Medicare-recorded volume has increased from 25 procedures in 2013 to 85 in the most recent data, a 240% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 99 procedures in 2021.

Does Dr. Mannherz perform more than one type of joint replacement?

Yes. Dr. Mannherz's Medicare data shows procedures in knee replacement (56 cases), hip replacement (16 cases), shoulder replacement (13 cases). Performing all three major joint replacements places Dr. Mannherz among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.

Which hospitals is Dr. Mannherz affiliated with?

According to CMS facility affiliation data, Dr. Mannherz is affiliated with Holy Redeemer Hospital And Medical Center.

How does Dr. Mannherz compare to other orthopedic surgeons in Southampton?

Among the 3 orthopedic surgeons in Southampton, Dr. Mannherz ranks #1 by total Medicare procedure volume. Dr. Mannherz has the highest verified Medicare volume in the city.

What are the quality ratings for hospitals where Dr. Mannherz practices?

Holy Redeemer Hospital And Medical Center (2 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 Southampton, Pennsylvania

Dr. Mannherz's 85 Medicare procedures are above the Southampton average of 46. The table below compares verified procedure volumes for orthopedic surgeons practicing in Southampton.

SurgeonProceduresSpecialties
Dr. Todd Schwartz 41 Hip, Knee
Dr. David Reinhardt 12 Knee

Patient Reviews & Ratings

OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:

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Cite This Data

APA: OrthoProcedures. (2026). Dr. Robert Mannherz, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/pa/dr-robert-mannherz-southampton.html

Link: https://orthoprocedures.com/surgeons/pa/dr-robert-mannherz-southampton.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.