Dr. Peter Vun Chen, MD
- Medicare services, 2024
- 4,536
- Medicare patients, 2024
- 362
- Part D claims, 2024
- 29
- Publications
- 18
- Clinical trials
- 1
- Practice address
- One Hoag Drive, Newport Beach, CA 92663
- Practice phone
- Call (949) 764-4624
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen'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. Peter Vun Chen is a radiation oncologist in Newport Beach, California
Dr. Chen practices at Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian.
Dr. Chen's NPI, 1720031800, was assigned on May 18, 2006. Dr. Chen graduated from David Geffen School of Medicine at UCLA in 1998. Dr. Chen holds California license A70756.
- NPI
- 1720031800NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951388446
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 764-4624
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Vun Chen practices at 2 locations in Newport Beach, California
Dr. Chen's primary practice is Hoag Hospital Newport Beach, at One Hoag Drive, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 764-4624. Dr. Chen also practices at Hoag Hospital Newport Beach, 1 Hoag Dr, Newport Beach, CA 92663.
- Hoag Hospital Newport BeachPrimaryOne Hoag Drive, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
- Hoag Hospital Newport Beach1 Hoag Dr, Newport Beach, CA 92663 · Orange CountyPhone(949) 764-4624
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Peter Vun Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. The medical group on file is Newport Coast Radiation Oncology Medical Group. Dmand AI also links Dr. Chen to 1 more other site, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter Vun Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Hospital Newport Beach | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hoag Memorial Hospital Presbyterian and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Peter Vun Chen is one of 685 radiation oncologists in California
Radiation oncology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Chen is board certified in radiation oncology by the American Board of Radiology. Dr. Chen is licensed in California.
Specialties and state licenses
- Radiation oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists anal cancer radiation, bladder cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI and cervical cancer radiation among the conditions Dr. Chen treats.
Radiation oncologists near Dr. Chen
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. Peter Vun Chen billed Medicare for 4,536 services in 2024
CMS data shows 4,536 Medicare services from Dr. Chen across 19 procedure codes in 2024, for 362 Medicare patients. Medicare paid $339,814 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,8162024: 4,30013%
- Office and hospital visits
- 2023: 1792024: 1948%
- Surgery
- 2023: 332024: 4227%
Where Dr. Chen's Medicare services took place, 2024
- In an office130%
- In a facility4,523100%
Dr. Chen compared with the California median for radiation oncologists, 2024
- Dr. Chen
- California median
- Medicare services
- 4,536vs 1,4443.1 times
- Medicare patients
- 362vs 1642.2 times
- Part D claims
- 18vs 3244% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Chen'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. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Vun Chen treated 362 Medicare patients in 2024, average age 76
CMS counts 362 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.93, 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. Chen's median patient age at 70, with 54% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women16746%
- Men19554%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer72%
- Arthritis49%
- Ischemic heart disease33%
- Mood disorders27%
- Anxiety26%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Vun Chen wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 29 Medicare Part D claims for 24 patients. 93% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $412 in total drug cost. In 2020, CMS named 24 claims across 2 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic27 claims93%
- Brand-name and other2 claims7%
Dr. Chen's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 242021: 1825%
Drugs named by CMS: 1 in 2021, 2 in 2020.
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. Peter Vun Chen scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 84of 100Final score
- 67.2of 100Quality
- 40of 100Improvement Activities
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. Peter Vun Chen has 18 publications on record
Dmand AI links 18 papers to Dr. Chen, published from 2007 to 2025. 2016 was the busiest year, with 3. The most frequent topics are Intraoperative Care, Breast Neoplasms and Mastectomy, Segmental. Dr. Chen has published most often in Ann Surg Oncol. Dr. Chen's most frequent co-authors are Melvin J. Silverstein, MD, Peter Chen, MD and Kevin Lin, MD.
Dr. Chen's papers by year, 2008 to 2025
Topics Dr. Chen writes about most
- Intraoperative Care
- Breast Neoplasms
- Mastectomy, Segmental
- Carcinoma, Ductal, Breast
- Carcinoma, Lobular
- Brachytherapy
- Brain Neoplasms
- Carcinoma, Intraductal, Noninfiltrating
Dr. Chen's most frequent co-authors
Recent publications by Dr. Chen
Ann Surg Oncol
Ann Surg Oncol
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen 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. Peter Vun Chen has worked on 1 clinical trial
Dmand AI links Dr. Chen to 1 clinical trial. Conditions studied include Breast Neoplasms and Breast Diseases.
Conditions in Dr. Chen's trials
- Breast Neoplasms
- Breast Diseases
Recent clinical trials with Dr. Chen
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Peter Vun Chen received $757 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Chen from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Gilead Sciences, Inc. paid the most, $208.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Food and beverage$74598%
- Entertainment$122%
Companies that paid Dr. Chen 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. Peter Vun Chen graduated from David Geffen School of Medicine at UCLA
Dr. Chen graduated from David Geffen School of Medicine at UCLA in 1998.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Peter Vun Chen accepts plans from 8 insurance carriers
Dr. Chen is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
Plan types Dr. Chen accepts, by number of carriers
- Medicare7
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter Vun Chen'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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. Peter Vun Chen
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. Peter Vun Chen's NPI number?
Dr. Peter Vun Chen's NPI number is 1720031800. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Vun Chen?
Dr. Peter Vun Chen is a radiation oncologist in Newport Beach, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Peter Vun Chen practice?
Dr. Chen practices at One Hoag Drive, Newport Beach, CA 92663. Dr. Chen also practices at 1 Hoag Dr, Newport Beach, CA 92663. Dr. Chen's primary practice is Hoag Hospital Newport Beach in Newport Beach, California, part of Hoag Memorial Hospital Presbyterian. Dmand AI also links Dr. Chen to 1 other site.
What is Dr. Peter Vun Chen's office phone number?
The practice phone on file for Dr. Chen is (949) 764-4624.
What is Dr. Peter Vun Chen's medical license number?
Dr. Chen holds California license A70756.
Which hospitals is Dr. Peter Vun Chen affiliated with?
Dr. Chen practices at Hoag Hospital Newport Beach in Newport Beach, California.
What medical group is Dr. Peter Vun Chen part of?
Dr. Chen is linked to Newport Coast Radiation Oncology Medical Group.
Does Dr. Peter Vun Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 4,536 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Peter Vun Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
What is Dr. Peter Vun Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Peter Vun Chen see?
CMS counts 362 Medicare patients who saw Dr. Chen in 2024, with an average age of 76.
Is Dr. Peter Vun Chen board certified?
Yes. Dr. Chen is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Peter Vun Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were radiation oncology (77300), radiation oncology (77014) and radiation oncology (77334).
Where did Dr. Peter Vun Chen go to medical school?
Dr. Chen graduated from David Geffen School of Medicine at UCLA in 1998.
What drugs does Dr. Peter Vun Chen prescribe most?
In 2021 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Memantine HCl.
Has Dr. Peter Vun Chen received payments from drug or device companies?
CMS Open Payments shows $757 in general payments to Dr. Chen from 9 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Peter Vun Chen been practicing?
Dr. Chen graduated from medical school in 1998, 28 years ago.
Does Dr. Peter Vun Chen do research?
Dmand AI links 18 publications to Dr. Chen, published from 2007 to 2025. Dr. Chen has worked on 1 clinical trial.
Who does Dr. Peter Vun Chen publish with?
Dr. Chen's most frequent co-authors are Melvin J. Silverstein, MD (11 shared papers), Peter Chen, MD (10 shared papers) and Kevin Lin, MD (9 shared papers).
What insurance does Dr. Peter Vun Chen accept?
Dr. Chen is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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