Dr. Thomas Donaldson, MD

Orthopedic Surgery
130 procedures 2 hospitals Colton, CA

Contact & Location

909-882-5867
Phone: 909-882-5867
Practice phone listed in the NPI registry
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
National Comparison by Procedure
Hip 58 vs 36 national avg (4,532 surgeons)
Knee 72 vs 45 national avg (6,599 surgeons)

About Dr. Donaldson

Dr. Thomas Donaldson is a board-certified orthopedic surgeon practicing in Colton, California. A Medicare provider since 2006, Dr. Donaldson performed 72 Medicare-verified knee replacements (#88 in California) and 58 hip replacements in the latest annual CMS data, for a combined total of 130 procedures.

In California, Dr. Donaldson performs above the state average in knee (72 vs 47), above the state average in hip (58 vs 41).

Dr. Donaldson's reported Medicare volume is split between knee replacements (72 cases) and hip replacements (58 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.

Medicare records for Dr. Donaldson extend back to 2014, covering 11 years of data. Over that period, recorded procedure volume increased from 110 to 130 in the most recent data, a 18% increase. This sustained growth reflects an expanding joint replacement practice.

Among 6,599 knee replacement surgeons tracked nationally, Dr. Donaldson's 72 verified procedures is above the national average of 45.

Verified Medicare Cases

Knee Replacement
72 verified cases
#88 in California
Hip Replacement
58 verified cases
#67 in California
Estimated total: 350 – 390 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
58 Avg: 41
Knee High
72 Avg: 47
Dr. Donaldson California Average

Volume Trend Analysis

Dr. Donaldson's Medicare-recorded procedure volume has trended upward over 11 years, increasing 18% from 110 procedures in 2014 to 130 in the most recent data.

Years of Data 11
2024 Volume 130
Peak Volume 130 (2015)
Trend Growing

Hospital Affiliations & Quality

H
Loma Linda University Medical Center
3/5
Loma Linda, CA
Low case volume
H
Redlands Community Hospital
3/5
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.

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. Donaldson

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

Dr. Donaldson has performed 130 Medicare-verified joint replacement procedures. This is significantly above the California average of 68 procedures per surgeon. Dr. Donaldson ranks #86 out of 613 orthopedic surgeons in California.

What types of joint replacement does Dr. Donaldson perform?

Dr. Donaldson's Medicare data shows procedures in knee replacement (72 cases) and hip replacement (58 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 130 procedures shown here.

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

Yes. Dr. Donaldson's Medicare-recorded volume has increased from 110 procedures in 2014 to 130 in the most recent data, a 18% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 130 procedures in 2015.

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

Yes. Dr. Donaldson's Medicare data shows procedures in knee replacement (72 cases), hip replacement (58 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 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. 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.