Pract Radiat Oncol
RadiosurgerySpinal Neoplasms
Dr. April Vassantachart, MD
NPI1962992610PAC ID0749646198
- Medicare services, 2024
- 2,073
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 52
- Publications
- 8
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (626) 256-4673
- 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. Vassantachart'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. April Vassantachart is a radiation oncologist in Duarte, California
Dr. Vassantachart practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Vassantachart's NPI, 1962992610, was assigned on May 17, 2018. Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 2018. Dr. Vassantachart's California license number on file is A166611.
NPI and contact details
- NPI
- 1962992610NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749646198
- NPI enumeration date
- May 17, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 256-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. April Vassantachart practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Vassantachart'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 (626) 256-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. April Vassantachart is affiliated with 4 sites of care and 2 medical groups
Dr. Vassantachart's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Vassantachart is also affiliated with Providence Saint John's Health Center. The medical group on file is City of Hope. Dmand AI also links Dr. Vassantachart to 2 more group practices and clinics and 1 medical group, each named with a free account.
City of Hope Comprehensive Cancer Center - DuartePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. April Vassantachart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vassantachart practices, 3 sites in all. 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. April Vassantachart is one of 685 radiation oncologists in California
Radiation oncology is Dr. Vassantachart's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Vassantachart is board certified in radiation oncology by the American Board of Radiology. Dr. Vassantachart has a license on file in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists brain cancer radiation, brain tumor radiation and uterine cancer radiation among the conditions Dr. Vassantachart treats.
Radiation oncologists near Dr. Vassantachart
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. April Vassantachart billed Medicare for 2,073 services in 2024
CMS data shows 2,073 Medicare services from Dr. Vassantachart across 22 procedure codes in 2024, for 297 Medicare patients. Medicare paid $219,391 for them.
Medicare services, 20242,073
Medicare patients297
Paid by Medicare$219,391
Procedure codes22
Dr. Vassantachart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2882024: 1,594453%
- Other services
- 2023: 362024: 347864%
- Office and hospital visits
- 2023: 282024: 132371%
Where Dr. Vassantachart's Medicare services took place, 2024
- In an office56527%
- In a facility1,50873%
Dr. Vassantachart compared with the California median for radiation oncologists, 2024
- Dr. Vassantachart
- California median
- Medicare services
- 2,073vs 1,44444% above
- Medicare patients
- 297vs 16481% above
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Vassantachart'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. Vassantachart and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. April Vassantachart treated 297 Medicare patients in 2024, average age 75
CMS counts 297 Medicare patients who saw Dr. Vassantachart in 2024. The largest group is 65 to 74, with 125 patients. 75% of them have cancer, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vassantachart's median patient age at 66, with 67% women.
Medicare patients, 2024297
Average age75
Average risk score1.64
Also on Medicaid26%
Dr. Vassantachart's Medicare patients by age, 2024
Dr. Vassantachart's Medicare patients by sex, 2024
- Women18061%
- Men11739%
Chronic conditions among Dr. Vassantachart's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure70%
- Arthritis52%
- Ischemic heart disease35%
- Diabetes31%
- Osteoporosis27%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vassantachart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. April Vassantachart wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Vassantachart wrote 52 Medicare Part D claims for 26 patients. 83% of them were for generic drugs.
Part D claims, 202452
Part D patients26
Dr. Vassantachart's Part D claims by kind of drug, 2024
- Generic43 claims83%
- Brand-name and other9 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. April Vassantachart 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. Vassantachart for performance year 2024, reported as part of a group. Dr. Vassantachart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vassantachart as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Vassantachart'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. April Vassantachart has 8 publications on record
Dmand AI links 8 papers to Dr. Vassantachart, published from 2017 to 2024. 2021 was the busiest year, with 3. The most frequent topics are Radiosurgery. Dr. Vassantachart's most frequent co-authors are Eric Lin Chang, MD, Sunil Krishnan, MD and Jason Chao Ye, MD.
Papers8
Years published2017 to 2024
Dr. Vassantachart's papers by year, 2017 to 2024
Topics Dr. Vassantachart writes about most
- Radiosurgery
Dr. Vassantachart's most frequent co-authors
Recent publications by Dr. Vassantachart
Arch Rehabil Res Clin Transl
See who Dr. Vassantachart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Vassantachart 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. April Vassantachart received $357 in industry payments from 2022 to 2025
CMS Open Payments shows 9 general payments to Dr. Vassantachart from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. RefleXion Medical, Inc. paid the most, $166.
General payments to Dr. Vassantachart by program year, 2022 to 2025
Companies that paid Dr. Vassantachart the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. April Vassantachart graduated from Loma Linda University School Of Medicine
Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 2018.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. April Vassantachart accepts plans from 13 insurance carriers
Dr. Vassantachart is in network with 13 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Vassantachart accepts, by number of carriers
- Medicare8
- PPO8
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. April Vassantachart'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 (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. April Vassantachart
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. April Vassantachart's NPI number?
Dr. April Vassantachart's NPI number is 1962992610. It was assigned on May 17, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. April Vassantachart?
Dr. April Vassantachart is a radiation oncologist in Duarte, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. April Vassantachart practice?
Dr. Vassantachart practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Vassantachart's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Vassantachart to 2 group practices and clinics and 1 medical group.
What is Dr. April Vassantachart's office phone number?
The practice phone on file for Dr. Vassantachart is (626) 256-4673.
What is Dr. April Vassantachart's medical license number?
Dr. Vassantachart's California license number on file is A166611.
Which hospitals is Dr. April Vassantachart affiliated with?
Dr. Vassantachart is affiliated with Providence Saint John's Health Center.
What medical group is Dr. April Vassantachart part of?
Dr. Vassantachart is linked to City of Hope. Dmand AI links Dr. Vassantachart to 1 more medical group.
Does Dr. April Vassantachart accept Medicare?
Yes. CMS data shows Dr. Vassantachart billed Medicare for 2,073 services in 2024, and Dr. Vassantachart accepts Medicare assignment.
Does Dr. April Vassantachart offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Vassantachart as offering telehealth services.
What is Dr. April Vassantachart's MIPS score?
Dr. Vassantachart'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. April Vassantachart see?
CMS counts 297 Medicare patients who saw Dr. Vassantachart in 2024, with an average age of 75.
Is Dr. April Vassantachart board certified?
Yes. Dr. Vassantachart is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. April Vassantachart bill to Medicare?
In 2024, Dr. Vassantachart's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Where did Dr. April Vassantachart go to medical school?
Dr. Vassantachart graduated from Loma Linda University School Of Medicine in 2018.
Has Dr. April Vassantachart received payments from drug or device companies?
CMS Open Payments shows $357 in general payments to Dr. Vassantachart from 6 companies from 2022 to 2025. The largest total came from RefleXion Medical, Inc.
How long has Dr. April Vassantachart been practicing?
Dr. Vassantachart graduated from medical school in 2018, 8 years ago.
Does Dr. April Vassantachart do research?
Dmand AI links 8 publications to Dr. Vassantachart, published from 2017 to 2024.
Who does Dr. April Vassantachart publish with?
Dr. Vassantachart's most frequent co-authors are Eric Lin Chang, MD (3 shared papers), Sunil Krishnan, MD (2 shared papers) and Jason Chao Ye, MD (2 shared papers).
What insurance does Dr. April Vassantachart accept?
Dr. Vassantachart is in network with 13 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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