Physician Profile
Thomas K. Donaldson, MD practices orthopaedic adult reconstructive surgery in Colton, CA. Thomas is a 1985 graduate of Loma Linda University School of Medicine. Medicare claims data shows Thomas provided 1,033 services to 811 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
900 E WASHINGTON ST #200
Colton, CA 92324
1,033 services · 811 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
72 | More often than most peers in Orthopaedic Adult Reconstructive… |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
58 | More often than most peers in Orthopaedic Adult Reconstructive… |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
26 | Less often than most peers in Orthopaedic Adult Reconstructive… |
| Revision of thigh and lower leg bone components of total knee joint prosthesis | Procedure | 27487 |
13 | Less often than most peers in Orthopaedic Adult Reconstructive… |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
164 | Less often than most peers in Orthopaedic Adult Reconstructive… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
319 | More often than most peers in Orthopaedic Adult Reconstructive… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
298 | More often than most peers in Orthopaedic Adult Reconstructive… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
83 | More often than most peers in Orthopaedic Adult Reconstructive… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Donaldson is an orthopaedic adult reconstructive surgeon in Colton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Adult Reconstructive Surgery”.
NPI registry
Dr. Donaldson is listed at 900 E Washington St #200, Colton, CA 92324. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 882-5867. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Donaldson's National Provider Identifier is 1457315269. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Donaldson attended Loma Linda University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Donaldson has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Donaldson performs procedures including replacement of knee joint, both sides of knee, replacement of thigh bone and hip joint with prosthesis and aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Donaldson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.