#78 Hip
#148 Knee

Dr. Thomas Donaldson, MD

Orthopedic Surgery
98 procedures 2 hospitals Colton, CA
Latest available Medicare data — updated April 2026
Hip replacement recovery kit Essentials every patient wishes they bought first
National Comparison by Procedure
Hip 51 vs 36 avg (4,526 surgeons)
Knee 47 vs 45 avg (6,720 surgeons)

Dr. Thomas Donaldson is a board-certified orthopedic surgeon practicing in Colton, California. A Medicare provider since 2006, Dr. Donaldson has performed 51 Medicare-verified hip replacements (#78 in California) and 47 knee replacements, for a combined total of 98 procedures.

In California, Dr. Donaldson performs above average in hip (51 vs 41 avg), near average in knee (47 vs 45 avg).

Dr. Donaldson's reported Medicare volume is split between hip replacements (51 cases) and knee replacements (47 cases).

Dr. Donaldson is the only orthopedic surgeon in Colton represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.

Dr. Donaldson's Medicare record spans 10 years from 2014 through 2023. Procedure volume has remained consistent during that period, ranging from 98 to 130 procedures per year, reflecting a steady joint replacement practice.

Among 4,526 hip replacement surgeons tracked nationally, Dr. Donaldson's 51 verified procedures is above the national average of 36.

Verified Medicare Cases

Hip Replacement
51 verified cases
#78 in California
Knee Replacement
47 verified cases
#148 in California
Estimated total: 260 – 300 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. Donaldson Compares

Procedure volume compared to the California state average.

Hip High
51 Avg: 41
Knee Average
47 Avg: 45
Dr. Donaldson California Average

Contact & Location

Phone: 909-882-5867
900 E Washington St
Colton, CA 92324
NPI: 1457315269
Credentials: MD
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Donaldson's procedure volume has been consistent across 10 years of Medicare data, ranging from 98 to 130 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 10
2023 Volume 98
Peak Volume 130 (2015)
Trend Stable

Hospital Affiliations & Quality

H
Loma Linda University Medical Center
★★★☆☆
Loma Linda, CA
Low case volume
H
Redlands Community Hospital
★★★☆☆
Redlands, 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.

Hip Replacement Recovery Overview

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

Week 1-2 Walking with assistive device (walker or cane). Gentle range-of-motion exercises begin. Most patients can manage basic self-care.
Week 3-6 Transition to walking independently. Resume driving short distances. Physical therapy focuses on strength and balance.
Week 7-12 Return to most daily activities and light exercise. Stair climbing improves. Many patients return to desk work.
Month 4-6 Full recovery for most patients. Resume recreational activities, golf, swimming, and low-impact exercise.

Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations

Frequently Asked Questions About Dr. Donaldson

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

Dr. Donaldson has performed 98 Medicare-verified joint replacement procedures. This is significantly above the California average of 65 procedures per surgeon. Dr. Donaldson ranks #112 out of 608 orthopedic surgeons in California.

What types of joint replacement does Dr. Donaldson perform?

Dr. Donaldson's Medicare data shows procedures in hip replacement (51 cases) and knee replacement (47 cases).

Where is Dr. Donaldson's practice located?

Dr. Donaldson practices in Colton, California. The office is located at 900 E Washington St, Colton, CA 92324. Patients in the surrounding area can consult Dr. Donaldson for joint replacement evaluation.

What does the Medicare data for Dr. Donaldson 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. Donaldson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 98 procedures shown here.

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

Dr. Donaldson's procedure volume has been relatively stable over 10 years of Medicare data, ranging from 98 to 130 procedures per year between 2014 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

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

Yes. Dr. Donaldson's Medicare data shows procedures in hip replacement (51 cases), knee replacement (47 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Donaldson affiliated with?

According to CMS facility affiliation data, Dr. Donaldson is affiliated with Loma Linda University Medical Center, Redlands Community Hospital.

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

Loma Linda University Medical Center (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Redlands Community Hospital (3 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.

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. Thomas Donaldson, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/ca/dr-thomas-donaldson-colton.html

Link: https://orthoprocedures.com/surgeons/ca/dr-thomas-donaldson-colton.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.