Dr. Colton John Ladbury, MD
- Medicare services, 2024
- 265
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 115
- Publications
- 63
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Ladbury'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. Colton John Ladbury is a radiation oncologist in Duarte, California
Dr. Ladbury practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Ladbury's NPI, 1891256756, was assigned on March 25, 2019. Dr. Ladbury graduated from University of Colorado Anschutz Medical Campus in 2019. Dr. Ladbury holds California license A178093.
- NPI
- 1891256756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850718685
- NPI enumeration date
- March 25, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Colton John Ladbury practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Ladbury's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Colton John Ladbury is affiliated with 2 sites of care and 1 medical group
Dr. Ladbury's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Ladbury to 1 more other site, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Colton John Ladbury's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ladbury practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Colton John Ladbury is one of 685 radiation oncologists in California
Radiation oncology is Dr. Ladbury's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Ladbury's licenses on file in 2 states: California and Colorado.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
- Colorado license
Radiation oncologists near Dr. Ladbury
Counts of radiation oncologists 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. Colton John Ladbury billed Medicare for 265 services in 2024
CMS data shows 265 Medicare services from Dr. Ladbury across 5 procedure codes in 2024, for 62 Medicare patients. Medicare paid $15,820 for them.
Dr. Ladbury's Medicare services by type, 2024
- Imaging242
- Office and hospital visits23
Where Dr. Ladbury's Medicare services took place, 2024
- In an office14053%
- In a facility12547%
Dr. Ladbury compared with the California median for radiation oncologists, 2024
- Dr. Ladbury
- California median
- Medicare services
- 265vs 1,44482% below
- Medicare patients
- 62vs 16462% below
- Part D claims
- 76vs 322.4 times
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Ladbury'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ladbury and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Colton John Ladbury treated 62 Medicare patients in 2024, average age 74
CMS counts 62 Medicare patients who saw Dr. Ladbury in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 73% have cancer. 27% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ladbury's median patient age at 69, with 40% women.
Dr. Ladbury's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ladbury's Medicare patients by sex, 2024
- Women2235%
- Men4065%
Chronic conditions among Dr. Ladbury's Medicare patients, 2024
- High blood pressure75%
- Cancer73%
- High cholesterol66%
- Arthritis31%
- Ischemic heart disease24%
- Diabetes21%
- Chronic kidney disease18%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ladbury's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women40%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Colton John Ladbury wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Ladbury wrote 115 Medicare Part D claims for 47 patients. 93% of them were for generic drugs. CMS names the drug for 76 of them, across 5 drugs with 11 or more claims each, at $352 in total drug cost. In 2022, CMS named 21 claims across 1 drug.
Dr. Ladbury's Part D claims by kind of drug, 2024
- Generic107 claims93%
- Brand-name and other8 claims7%
Dr. Ladbury'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. Ladbury's Part D claims, 2024
- Opioids17%20 of 115 claims
- Antibiotics15%17 of 115 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 212024: 76262%
Drugs named by CMS: 5 in 2024, 1 in 2022.
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. Colton John Ladbury scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Ladbury for performance year 2024, reported as part of a group. Dr. Ladbury accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ladbury as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ladbury's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Colton John Ladbury has 63 publications on record
Dmand AI links 63 papers to Dr. Ladbury, published from 2019 to 2025. 2023 was the busiest year, with 17. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and Radiosurgery. Dr. Ladbury has published most often in Cancers (Basel). Dr. Ladbury's most frequent co-authors are Arya Amini, MD, Scott M. Glaser, MD and Savita Visalakshi Dandapani, MD, PhD.
Dr. Ladbury's papers by year, 2019 to 2025
Topics Dr. Ladbury writes about most
- Lung Neoplasms
- Carcinoma, Non-Small-Cell Lung
- Radiosurgery
- Chemoradiotherapy
- Dose Fractionation, Radiation
- Machine Learning
- Radiotherapy Dosage
- Radiotherapy, Intensity-Modulated
Dr. Ladbury's most frequent co-authors
- Arya Amini, MD35 shared papers
- Scott M. Glaser, MD18 shared papers
- Savita Visalakshi Dandapani, MD, PhD17 shared papers
Recent publications by Dr. Ladbury
Pract Radiat Oncol
See who Dr. Ladbury researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ladbury works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Colton John Ladbury received $1,797 in industry payments from 2019 to 2025
CMS Open Payments shows 16 general payments to Dr. Ladbury from 10 drug and device companies from 2019 to 2025. Honoraria make up the largest share, 50% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $550.
General payments to Dr. Ladbury by program year, 2019 to 2025
General payments to Dr. Ladbury by kind, 2019 to 2025
- Honoraria$90050%
- Food and beverage$89750%
Companies that paid Dr. Ladbury the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Colton John Ladbury graduated from University of Colorado Anschutz Medical Campus
Dr. Ladbury graduated from University of Colorado Anschutz Medical Campus in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Colton John Ladbury accepts plans from 12 insurance carriers
Dr. Ladbury is in network with 12 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Ladbury accepts, by number of carriers
- PPO8
- HMO6
- Medicare5
- EPO4
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Colton John Ladbury'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Colton John Ladbury
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. Colton John Ladbury's NPI number?
Dr. Colton John Ladbury's NPI number is 1891256756. It was assigned on March 25, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Colton John Ladbury?
Dr. Colton John Ladbury is a radiation oncologist in Duarte, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Colton John Ladbury practice?
Dr. Ladbury practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Ladbury's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Ladbury to 1 other site.
What is Dr. Colton John Ladbury's office phone number?
The practice phone on file for Dr. Ladbury is (800) 826-4673.
What is Dr. Colton John Ladbury's medical license number?
Dr. Ladbury holds California license A178093, one of the licenses on file in 2 states.
Which states has Dr. Colton John Ladbury been licensed in?
Dmand AI has state licenses on file for Dr. Ladbury in California (2024 to 2026) and Colorado (2019 to 2022).
What medical group is Dr. Colton John Ladbury part of?
Dr. Ladbury is linked to City of Hope.
Does Dr. Colton John Ladbury accept Medicare?
Yes. CMS data shows Dr. Ladbury billed Medicare for 265 services in 2024, and Dr. Ladbury accepts Medicare assignment.
Does Dr. Colton John Ladbury offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ladbury as offering telehealth services.
What is Dr. Colton John Ladbury's MIPS score?
Dr. Ladbury's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Colton John Ladbury see?
CMS counts 62 Medicare patients who saw Dr. Ladbury in 2024, with an average age of 74.
What services does Dr. Colton John Ladbury bill to Medicare?
In 2024, Dr. Ladbury's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77334).
Where did Dr. Colton John Ladbury go to medical school?
Dr. Ladbury graduated from University of Colorado Anschutz Medical Campus in 2019.
What drugs does Dr. Colton John Ladbury prescribe most?
In 2024 Medicare Part D data, Dr. Ladbury's most prescribed drugs by claims were Lorazepam, Hydrocodone-Acetaminophen and Ondansetron ODT.
Has Dr. Colton John Ladbury received payments from drug or device companies?
CMS Open Payments shows $1,797 in general payments to Dr. Ladbury from 10 companies from 2019 to 2025. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Colton John Ladbury been practicing?
Dr. Ladbury graduated from medical school in 2019, 7 years ago.
Does Dr. Colton John Ladbury do research?
Dmand AI links 63 publications to Dr. Ladbury, published from 2019 to 2025.
Who does Dr. Colton John Ladbury publish with?
Dr. Ladbury's most frequent co-authors are Arya Amini, MD (35 shared papers), Scott M. Glaser, MD (18 shared papers) and Savita Visalakshi Dandapani, MD, PhD (17 shared papers).
What insurance does Dr. Colton John Ladbury accept?
Dr. Ladbury is in network with 12 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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