Are you Dr. Donaldson? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 900 E Washington St, #200, Colton, CA 92324
About Dr. Donaldson
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. The provider's National Provider Identifier (NPI) is 1457315269.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 882-5867
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
900 E WASHINGTON ST #200
Colton, CA 92324
Procedures Most Often Billed to Medicare
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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Loma Linda University School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Replacement of knee joint, both sides of knee 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Donaldson specialize in?
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
Where is Dr. Donaldson located?
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
What is Dr. Donaldson's phone number?
The number on file is (909) 882-5867. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Donaldson?
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
Where did Dr. Donaldson go to medical school?
Dr. Donaldson attended Loma Linda University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Donaldson have?
Dr. Donaldson has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Donaldson do most often?
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
Is Dr. Donaldson's profile verified?
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
Guide.md listings do not constitute medical advice or an endorsement.