#78 Shoulder
#381 Knee

Dr. Christopher Hamilton, M.D.

Orthopedic Surgery
35 procedures 2 hospitals Van Nuys, CA
Latest available Medicare data — updated April 2026
Rising Star
Shoulder replacement recovery kit Slings, cold therapy, and adaptive clothing for recovery
National Comparison by Procedure
Knee 17 vs 45 avg (6,720 surgeons)
Shoulder 18 vs 28 avg (2,092 surgeons)

Dr. Christopher Hamilton is a board-certified orthopedic surgeon practicing in Van Nuys, California. A Medicare provider since 2006, Dr. Hamilton has performed 18 Medicare-verified shoulder replacements (#78 in California) and 17 knee replacements, for a combined total of 35 procedures.

In California, Dr. Hamilton performs below average in shoulder (18 vs 30 avg), below average in knee (17 vs 45 avg).

Dr. Hamilton's reported Medicare volume is split between shoulder replacements (18 cases) and knee replacements (17 cases).

Beyond general orthopedic surgery, Dr. Hamilton holds additional credentials in Sports Medicine and Foot and Ankle Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.

Van Nuys is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Van Nuys area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Hamilton extend back to 2013, covering 10 years of data. Over that period, recorded procedure volume increased from 25 to 35 in the most recent data, a 40% increase. This sustained growth reflects an expanding joint replacement practice.

Dr. Hamilton's 18 shoulder replacement procedures is below the national average of 28 among 2,092 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.

Verified Medicare Cases

Shoulder Replacement
18 verified cases
#78 in California
Knee Replacement
17 verified cases
#381 in California
Estimated total: 90 – 110 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. Hamilton Compares

Procedure volume compared to the California state average.

Knee Below Avg
17 Avg: 45
Shoulder Below Avg
18 Avg: 30
Dr. Hamilton California Average

Contact & Location

Phone: 661-328-5565
6815 Noble Ave
Van Nuys, CA 91405
NPI: 1598795130
Credentials: M.D.
Active Medicare provider (NPI verified)
20 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. Hamilton's Medicare-recorded procedure volume has trended upward over 10 years, increasing 40% from 25 procedures in 2013 to 35 in the most recent data.

Years of Data 10
2023 Volume 35
Peak Volume 35 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Bakersfield Memorial Hospital
★★☆☆☆
Bakersfield, CA
Similar to national avg
H
Adventist Health Bakersfield
★☆☆☆☆
Bakersfield, 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.

Shoulder Replacement Recovery Overview

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

Week 1-3 Arm in a sling for protection. Gentle pendulum exercises under therapist guidance. Focus on pain management and wound care.
Week 4-6 Gradual sling weaning. Begin passive and active-assisted range-of-motion exercises. Light daily activities resume.
Week 7-12 Active range-of-motion exercises. Light strengthening begins. Most patients can drive and perform desk work.
Month 4-6 Progressive strengthening continues. Return to most activities. Full recovery may take 6-12 months for complete shoulder strength.

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. Hamilton

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

Dr. Hamilton has performed 35 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. Hamilton ranks #342 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Hamilton perform?

Dr. Hamilton's Medicare data shows procedures in shoulder replacement (18 cases) and knee replacement (17 cases).

Are there other orthopedic surgeons near Dr. Hamilton in Van Nuys?

Yes. There are 10 orthopedic surgeons in Van Nuys 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. Hamilton 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. Hamilton's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 35 procedures shown here.

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

Yes. Dr. Hamilton's Medicare-recorded volume has increased from 25 procedures in 2013 to 35 in the most recent data, a 40% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 35 procedures in 2023.

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

Yes. Dr. Hamilton's Medicare data shows procedures in shoulder replacement (18 cases), knee replacement (17 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Hamilton affiliated with?

According to CMS facility affiliation data, Dr. Hamilton is affiliated with Bakersfield Memorial Hospital, Adventist Health Bakersfield.

How does Dr. Hamilton compare to other orthopedic surgeons in Van Nuys?

Among the 10 orthopedic surgeons in Van Nuys, Dr. Hamilton ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Van Nuys has 226 verified Medicare procedures.

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

Bakersfield Memorial Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Adventist Health Bakersfield (1 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 Van Nuys, California

Dr. Hamilton's 35 Medicare procedures are below the Van Nuys average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Van Nuys.

SurgeonProceduresSpecialties
Dr. Jaime Hernandez 226 Hip, Knee
Dr. Michael Bahk 66 Shoulder
Dr. Abiram Bala 39 Hip, Knee
Dr. Todd Shapiro 26 Shoulder
Dr. Steve Kwak 18 Knee
Dr. Connor Delman 13 Shoulder

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. Christopher Hamilton, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-christopher-hamilton-van-nuys.html

Link: https://orthoprocedures.com/surgeons/ca/dr-christopher-hamilton-van-nuys.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.