Dr. Peter Elsissy, M.D.

Orthopedic Surgery
71 procedures 2 hospitals Redlands, CA
Growing Volume

Contact & Location

909-557-1600
Phone: 909-557-1600
Practice phone listed in the NPI registry
1901 W Lugonia Ave Ste 120
Redlands, CA 92374
NPI: 1629281845
Credentials: M.D.
Active Medicare provider (NPI verified)
19 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps
National Comparison by Procedure
Hip 19 vs 36 national avg (4,532 surgeons)
Knee 52 vs 45 national avg (6,599 surgeons)

About Dr. Elsissy

Dr. Peter Elsissy is a board-certified orthopedic surgeon practicing in Redlands, California. A Medicare provider since 2007, Dr. Elsissy performed 52 Medicare-verified knee replacements (#131 in California) and 19 hip replacements in the latest annual CMS data, for a combined total of 71 procedures.

In California, Dr. Elsissy performs near the state average in knee (52 vs 47), below the state average in hip (19 vs 41).

Dr. Elsissy's reported Medicare volume is split between knee replacements (52 cases) and hip replacements (19 cases).

Redlands is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Redlands area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Elsissy extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 25 to 71 in the most recent data, a 184% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Elsissy's 52 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
52 verified cases
#131 in California
Hip Replacement
19 verified cases
#239 in California
Estimated total: 190 – 220 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. Elsissy Compares

Procedure volume compared to the California state average.

Hip Below Avg
19 Avg: 41
Knee Average
52 Avg: 47
Dr. Elsissy California Average

Volume Trend Analysis

Dr. Elsissy's Medicare-recorded procedure volume has trended upward over 11 years, increasing 184% from 25 procedures in 2013 to 71 in the most recent data.

Years of Data 11
2024 Volume 71
Peak Volume 71 (2024)
Trend Growing

Hospital Affiliations & Quality

H
Redlands Community Hospital
3/5
Redlands, CA
Similar to national avg
H
Arrowhead Regional Medical Center
2/5
Colton, CA
Low case volume

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 Knee Replacement

If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:

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. Elsissy

How does Dr. Elsissy's procedure volume compare to other California surgeons?

Dr. Elsissy has performed 71 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Elsissy ranks #192 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Elsissy perform?

Dr. Elsissy's Medicare data shows procedures in knee replacement (52 cases) and hip replacement (19 cases).

Are there other orthopedic surgeons near Dr. Elsissy in Redlands?

Yes. There are 5 orthopedic surgeons in Redlands 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. Elsissy 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. Elsissy's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 71 procedures shown here.

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

Yes. Dr. Elsissy's Medicare-recorded volume has increased from 25 procedures in 2013 to 71 in the most recent data, a 184% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 71 procedures in 2024.

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

Yes. Dr. Elsissy's Medicare data shows procedures in knee replacement (52 cases), hip replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Elsissy affiliated with?

According to CMS facility affiliation data, Dr. Elsissy is affiliated with Redlands Community Hospital, Arrowhead Regional Medical Center.

How does Dr. Elsissy compare to other orthopedic surgeons in Redlands?

Among the 5 orthopedic surgeons in Redlands, Dr. Elsissy ranks #1 by total Medicare procedure volume. Dr. Elsissy has the highest verified Medicare volume in the city.

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

Redlands Community Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Arrowhead Regional Medical Center (2 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 Redlands, California

Dr. Elsissy's 71 Medicare procedures are above the Redlands average of 29. The table below compares verified procedure volumes for orthopedic surgeons practicing in Redlands.

SurgeonProceduresSpecialties
Dr. Grigor Grigoryan 33 Hip, Knee
Dr. Jason Chan 14 Knee
Dr. Zachary Hadley 14 Shoulder
Dr. James Stewart 12 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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Peter Elsissy, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-peter-elsissy-redlands.html

Link: https://orthoprocedures.com/surgeons/ca/dr-peter-elsissy-redlands.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.