#410 in California
Knee

Dr. Meir Marmor, M.D.

Orthopedic Surgery
15 procedures 2 hospitals Chico, CA
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Knee 15 vs 45 avg (6,720 surgeons)

Dr. Meir Marmor is a board-certified orthopedic surgeon practicing in Chico, California. A Medicare provider since 2009, Dr. Marmor has performed 15 Medicare-verified knee replacements, ranking #410 in California.

In California, Dr. Marmor performs below average in knee (15 vs 45 avg).

Dr. Marmor's Medicare data shows a focused knee replacement practice with 15 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.

Chico is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Chico area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Marmor's Medicare record spans 5 years from 2016 through 2023. Procedure volume has remained consistent during that period, ranging from 11 to 24 procedures per year, reflecting a steady joint replacement practice.

Dr. Marmor's 15 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Knee Replacement
15 verified cases
#410 in California
Estimated total: 40 – 50 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. Marmor Compares

Procedure volume compared to the California state average.

Knee Below Avg
15 Avg: 45
Dr. Marmor California Average

Contact & Location

Phone: 530-332-4470
1531 Esplanade
Chico, CA 95926
NPI: 1033348461
Credentials: M.D.
Active Medicare provider (NPI verified)
17 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Marmor's procedure volume has been consistent across 5 years of Medicare data, ranging from 11 to 24 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 5
2023 Volume 15
Peak Volume 24 (2019)
Trend Stable

Hospital Affiliations & Quality

H
Zuckerberg San Francisco General Hosp & Trauma Ctr
★☆☆☆☆
San Francisco, CA
Similar to national avg
H
Laguna Honda Hospital & Rehabilitation Center
San Francisco, CA

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. Marmor

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

Dr. Marmor has performed 15 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. Marmor ranks #512 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Marmor perform?

Dr. Marmor's reported Medicare volume is focused on knee replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.

Are there other orthopedic surgeons near Dr. Marmor in Chico?

Yes. There are 8 orthopedic surgeons in Chico 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. Marmor 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. Marmor's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 15 procedures shown here.

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

Dr. Marmor's procedure volume has been relatively stable over 5 years of Medicare data, ranging from 11 to 24 procedures per year between 2016 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

Which hospitals is Dr. Marmor affiliated with?

According to CMS facility affiliation data, Dr. Marmor is affiliated with Zuckerberg San Francisco General Hosp & Trauma Ctr, Laguna Honda Hospital & Rehabilitation Center.

How does Dr. Marmor compare to other orthopedic surgeons in Chico?

Among the 8 orthopedic surgeons in Chico, Dr. Marmor ranks #7 by total Medicare procedure volume. The highest-volume surgeon in Chico has 99 verified Medicare procedures.

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

Zuckerberg San Francisco General Hosp & Trauma Ctr (1 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 Chico, California

Dr. Marmor's 15 Medicare procedures are below the Chico average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chico.

SurgeonProceduresSpecialties
Dr. Helmuth Jones 99 Hip, Knee
Dr. Sidney Jones 73 Hip, Knee
Dr. Taylor Konkin 46 Hip, Knee
Dr. Charles Wilhite 30 Knee, Shoulder
Dr. Kirk Granlund 29 Knee
Dr. Phillip Jones 26 Knee

Patient Reviews & Ratings

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

These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Meir Marmor, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-meir-marmor-chico.html

Link: https://orthoprocedures.com/surgeons/ca/dr-meir-marmor-chico.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.