#10 Knee
#23 Hip

Dr. Todd Dietrick, M.D.

Orthopedic Surgery
286 procedures 2 hospitals Pasadena, CA
Latest available Medicare data — updated April 2026
Rising Star Top 10% Nationally
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 92 vs 36 avg (4,526 surgeons)
Knee 194 vs 45 avg (6,720 surgeons)

Dr. Todd Dietrick is a board-certified orthopedic surgeon practicing in Pasadena, California. A Medicare provider since 2005, Dr. Dietrick has performed 194 Medicare-verified knee replacements (#10 in California) and 92 hip replacements, for a combined total of 286 procedures.

In California, Dr. Dietrick performs well above average in knee (194 vs 45 avg), well above average in hip (92 vs 41 avg).

Dr. Dietrick's reported Medicare volume is split between knee replacements (194 cases) and hip replacements (92 cases).

Pasadena is home to 12 orthopedic surgeons in the current Medicare dataset. Patients in the Pasadena area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Medicare records for Dr. Dietrick extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 223 to 286 in the most recent data, a 28% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Dietrick's 194 verified procedures is more than 4x the national average of 45, ranking #60 nationally.

Verified Medicare Cases

Knee Replacement
194 verified cases
#10 in California
Hip Replacement
92 verified cases
#23 in California
Estimated total: 770 – 870 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. Dietrick Compares

Procedure volume compared to the California state average.

Hip Very High
92 Avg: 41
Knee Very High
194 Avg: 45
Dr. Dietrick California Average

Contact & Location

Phone: 626-795-8051
800 S Raymond Ave
Pasadena, CA 91105
NPI: 1619963444
Credentials: M.D.
Active Medicare provider (NPI verified)
21 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. Dietrick's Medicare-recorded procedure volume has trended upward over 11 years, increasing 28% from 223 procedures in 2013 to 286 in the most recent data.

Years of Data 11
2023 Volume 286
Peak Volume 286 (2023)
Trend Growing

Hospital Affiliations & Quality

H
Huntington Hospital
★★☆☆☆
Pasadena, CA
Similar to national avg
H
Glendale Adventist Medical Center
★★★★☆
Glendale, CA
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. Dietrick

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

Dr. Dietrick has performed 286 Medicare-verified joint replacement procedures. This is more than 4x the California average of 65 procedures per surgeon. Dr. Dietrick ranks #12 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Dietrick perform?

Dr. Dietrick's Medicare data shows procedures in knee replacement (194 cases) and hip replacement (92 cases).

How experienced is Dr. Dietrick with knee replacement surgery?

Dr. Dietrick ranks #10 in California for knee replacement with 194 Medicare-verified procedures. This high ranking among 608 state surgeons indicates significant experience with this specific procedure.

Are there other orthopedic surgeons near Dr. Dietrick in Pasadena?

Yes. There are 12 orthopedic surgeons in Pasadena 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. Dietrick 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. Dietrick's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 286 procedures shown here.

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

Yes. Dr. Dietrick's Medicare-recorded volume has increased from 223 procedures in 2013 to 286 in the most recent data, a 28% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 286 procedures in 2023.

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

Yes. Dr. Dietrick's Medicare data shows procedures in knee replacement (194 cases), hip replacement (92 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Dietrick affiliated with?

According to CMS facility affiliation data, Dr. Dietrick is affiliated with Huntington Hospital, Glendale Adventist Medical Center.

How does Dr. Dietrick compare to other orthopedic surgeons in Pasadena?

Among the 12 orthopedic surgeons in Pasadena, Dr. Dietrick ranks #1 by total Medicare procedure volume. Dr. Dietrick has the highest verified Medicare volume in the city.

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

Huntington Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Glendale Adventist Medical Center (4 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 Pasadena, California

Dr. Dietrick's 286 Medicare procedures are above the Pasadena average of 100. The table below compares verified procedure volumes for orthopedic surgeons practicing in Pasadena.

SurgeonProceduresSpecialties
Dr. Micah Berry 103 Hip, Knee, Shoulder
Dr. James O'dowd 101 Hip, Knee
Dr. John Itamura 77 Shoulder
Dr. Timothy Jackson 59 Hip
Dr. Daniel Laster 46 Hip, Knee
Dr. James Shankwiler 28 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. Todd Dietrick, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-todd-dietrick-pasadena.html

Link: https://orthoprocedures.com/surgeons/ca/dr-todd-dietrick-pasadena.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.