Peter Vun Chen, MD
Radiation Oncology Physician · Newport Beach, CA
Peter Vun Chen, MD is a radiation oncology physician with a practice address in Newport Beach, California, and NPI 1720031800, issued on May 18, 2006. Check the license (California A70756, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Vun Chen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A70756 CA
Self-reported in NPPES; status is on the state search - Practice location
- One Hoag Drive, Newport Beach, CA 92663
- Phone
- (949) 764-5528
- Enumerated
- May 18, 2006
- Record last updated
- Nov 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 764-8106
- Medicaid ID
- 00A707560 CA
- Medicare enrollment
- Enrolled (PECOS I20040701001640); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at One Hoag Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Arkind, MDAnesthesiology Physician1104952647
- Victor Beretta, MDAnesthesiology Physician1497795611
- Frederick Birnberg, M.D.Diagnostic Radiology Physician1386683084
- Michael Brant-Zawadzki, MDDiagnostic Radiology Physician1821042532
- Timothy Carpenter, MDAnesthesiology Physician1922048149
- Brian Cauley, MDAnesthesiology Physician1982895009
Verify Peter Vun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average radiation oncology physician in 2024
29 Medicare Part D claims for 24 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 81.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.82
1 payment: food and beverage; the largest payer was Siemens Medical Solutions USA, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Newport Coast Radiation Oncology Medical Group IncNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Vun Chen among 735 radiation oncology physician records in California
Peter Vun Chen, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1998 · median 2005 among the 545 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Newport Beach → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Craig Cox, MDNewport Beach, CA 926631134172398
- Brian Kim, MDNewport Beach, CA 926631316990567
- Kevin Lin, M.D.Newport Beach, CA 926631548441454
- Shane Lloyd, M.D., PH.D.Newport Beach, CA 926631427443068
- Stephen Doggett, M.D.Newport Beach, CA 926601982675021
- Linda Chan, M.D.Laguna Hills, CA 926531083844427
- Joel Cherlow, M.D., PH.D.Laguna Hills, CA 926531194736710
- Robert Kwon, MDLaguna Hills, CA 926531841294337
Common questions
What is Peter Vun Chen, MD's NPI number?
Peter Vun Chen, MD's National Provider Identifier (NPI) is 1720031800, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Vun Chen, MD located?
The NPPES record lists a practice address at One Hoag Drive, Newport Beach, CA, 92663. Phone: (949) 764-5528. Providers update this record themselves, so call before visiting.
How can I verify Peter Vun Chen, MD's license?
NPPES lists California license number A70756, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Vun Chen, MD prescribe under Medicare Part D?
In 2024, Peter Vun Chen, MD had 29 Medicare Part D claims for 24 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Peter Vun Chen, MD's MIPS final score?
The 2023 MIPS final score is 81.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.