Dr. Thomas Kent Donaldson, MD
- Medicare services, 2024
- 1,033
- Medicare patients, 2024
- 620
- Part D claims, 2024
- 363
- MIPS score, 2024
- 89
- Hospital affiliations
- 5
- Practice address
- 900 E Washington St, Colton, CA 92324
- Practice phone
- Call (909) 370-2190
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Premier Outpatient Surgery Center
Colton, California
Find Dr. Donaldson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas Kent Donaldson is an adult reconstructive orthopaedic surgery physician in Colton, California
Dr. Donaldson practices at Premier Outpatient Surgery Center in Colton, California.
Dr. Donaldson's NPI, 1457315269, was assigned on April 17, 2006. Dr. Donaldson graduated from Loma Linda University School of Medicine in 1985. Dr. Donaldson holds California license G55682.
- NPI
- 1457315269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133124456
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 370-2190
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Kent Donaldson practices at Premier Outpatient Surgery Center in Colton, California
Dr. Donaldson's primary practice is Premier Outpatient Surgery Center, at 900 E Washington St, Colton, CA 92324 in San Bernardino County. The practice phone is (909) 370-2190.
- Premier Outpatient Surgery Center900 E Washington St, Colton, CA 92324 · San Bernardino CountyPhone(909) 370-2190
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Kent Donaldson is affiliated with 8 sites of care and 1 medical group
Dr. Donaldson's primary practice is Premier Outpatient Surgery Center in Colton, California. Dr. Donaldson is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Donaldson to 4 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas Kent Donaldson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Donaldson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Premier Outpatient Surgery Center | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Kent Donaldson is one of 142 adult reconstructive orthopaedic surgery physicians in California
Adult reconstructive orthopaedic surgery is Dr. Donaldson's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Donaldson is licensed in California.
Specialties and state licenses
- Adult reconstructive orthopaedic surgery, CaliforniaPrimary
Adult reconstructive orthopaedic surgery physicians near Dr. Donaldson
Counts of adult reconstructive orthopaedic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas Kent Donaldson billed Medicare for 1,033 services in 2024
CMS data shows 1,033 Medicare services from Dr. Donaldson across 8 procedure codes in 2024, for 620 Medicare patients. Medicare paid $212,371 for them.
Dr. Donaldson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5642024: 70024%
- Surgery
- 2023: 1612024: 1695%
- Drugs given in the office
- 2023: 1312024: 16425%
Where Dr. Donaldson's Medicare services took place, 2024
- In an office89086%
- In a facility14314%
Dr. Donaldson compared with the California median for adult reconstructive orthopaedic surgery physicians, 2024
- Dr. Donaldson
- California median
- Medicare services
- 1,033vs 1,024Close to median
- Medicare patients
- 620vs 35674% above
- Part D claims
- 267vs 20232% above
Medians across 136 adult reconstructive orthopaedic surgery physicians in California with Dmand AI profiles that report each measure.
Dr. Donaldson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Donaldson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Donaldson and other adult reconstructive orthopaedic surgery physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Kent Donaldson treated 620 Medicare patients in 2024, average age 74
CMS counts 620 Medicare patients who saw Dr. Donaldson in 2024. The largest group is 65 to 74, with 286 patients. 75% of them have arthritis, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Donaldson's median patient age at 73, with 62% women.
Dr. Donaldson's Medicare patients by age, 2024
Dr. Donaldson's Medicare patients by sex, 2024
- Women40966%
- Men21134%
Chronic conditions among Dr. Donaldson's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol74%
- Diabetes35%
- Chronic kidney disease25%
- Mood disorders24%
- Anxiety22%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Donaldson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Kent Donaldson wrote 363 Medicare Part D claims in 2024
In 2024, Dr. Donaldson wrote 363 Medicare Part D claims for 189 patients. 99% of them were for generic drugs. CMS names the drug for 267 of them, across 5 drugs with 11 or more claims each, at $4,838 in total drug cost. In 2023, CMS named 232 claims across 8 drugs.
Dr. Donaldson's Part D claims by kind of drug, 2024
- Generic361 claims99%
- Brand-name and other2 claims1%
Dr. Donaldson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Donaldson's Part D claims, 2024
- Antibiotics36%130 of 363 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2322024: 26715%
Drugs named by CMS: 5 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas Kent Donaldson scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Donaldson for performance year 2024, reported as part of a group. Dr. Donaldson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 79 procedures of hip replacement by Dr. Donaldson, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Donaldson's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Donaldson ranks in Medicare procedure volume
- Knee replacement
- 91st percentile86 procedures
- Hip replacement
- 95th percentile79 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Kent Donaldson received $1,847,391 in industry payments from 2016 to 2025
CMS Open Payments shows 380 general payments to Dr. Donaldson from 16 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 81% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,763,947.
General payments to Dr. Donaldson by program year, 2016 to 2025
General payments to Dr. Donaldson by kind, 2016 to 2025
- Royalties and licenses$1,498,13181%
- Consulting fees$313,15017%
- Travel and lodging$28,5882%
- Food and beverage$7,5040%
- Education$170%
Companies that paid Dr. Donaldson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Kent Donaldson graduated from Loma Linda University School of Medicine
Dr. Donaldson graduated from Loma Linda University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Kent Donaldson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Kent Donaldson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas Kent Donaldson's NPI number?
Dr. Thomas Kent Donaldson's NPI number is 1457315269. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Kent Donaldson?
Dr. Thomas Kent Donaldson is an adult reconstructive orthopaedic surgery physician in Colton, California. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).
Where does Dr. Thomas Kent Donaldson practice?
Dr. Donaldson practices at 900 E Washington St, Colton, CA 92324. Dr. Donaldson's primary practice is Premier Outpatient Surgery Center in Colton, California. Dmand AI also links Dr. Donaldson to 4 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Thomas Kent Donaldson's office phone number?
The practice phone on file for Dr. Donaldson is (909) 370-2190.
What is Dr. Thomas Kent Donaldson's medical license number?
Dr. Donaldson holds California license G55682.
Which hospitals is Dr. Thomas Kent Donaldson affiliated with?
Dr. Donaldson is affiliated with Pomona Valley Hospital Medical Center. Dmand AI links Dr. Donaldson to 4 more hospitals.
What medical group is Dr. Thomas Kent Donaldson part of?
Dr. Donaldson is linked to Loma Linda University Faculty Medical Group (LLUFMG).
Does Dr. Thomas Kent Donaldson accept Medicare?
Yes. CMS data shows Dr. Donaldson billed Medicare for 1,033 services in 2024, and Dr. Donaldson accepts Medicare assignment.
What is Dr. Thomas Kent Donaldson's MIPS score?
Dr. Donaldson's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas Kent Donaldson see?
CMS counts 620 Medicare patients who saw Dr. Donaldson in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Thomas Kent Donaldson bill to Medicare?
In 2024, Dr. Donaldson's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and injected or infused drug (J3301).
Where did Dr. Thomas Kent Donaldson go to medical school?
Dr. Donaldson graduated from Loma Linda University School of Medicine in 1985.
What drugs does Dr. Thomas Kent Donaldson prescribe most?
In 2024 Medicare Part D data, Dr. Donaldson's most prescribed drugs by claims were Meloxicam, Amoxicillin and Baclofen.
Has Dr. Thomas Kent Donaldson received payments from drug or device companies?
CMS Open Payments shows $1,847,391 in general payments to Dr. Donaldson from 16 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Thomas Kent Donaldson been practicing?
Dr. Donaldson graduated from medical school in 1985, 41 years ago.
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