Peter Allison Austin, M.D.
Radiation Oncology Physician · Diamond Bar, CA
Peter Allison Austin, M.D. is a radiation oncology physician with a practice address in Diamond Bar, California, and NPI 1487085221, issued on Dec 4, 2013. Check the license (California GFE24628, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Peter Allison Austin
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- GFE24628 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1655 Aspen Grove LN, Diamond Bar, CA 91765
- Phone
- (909) 568-3652
- Enumerated
- Dec 4, 2013
- Record last updated
- Dec 4, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Verify Peter Allison Austin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license GFE24628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average radiation oncology physician in 2024
23 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Peter Allison Austin among 735 radiation oncology physician records in California
Peter Allison Austin, M.D. 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 2013, is newer than 76% of them.
- NPI issued2013 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2013 · 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 Diamond Bar → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Sri Gorty, M.D.Pomona, CA 917671952310054
- Yallapragada Rao, M.D.Pomona, CA 917671871503490
- Dong Kim, M.D., PH.D.Ontario, CA 917611386816262
- David Hsu, MDMonterey Park, CA 917541619983343
- Cecil Benitez, M.D., PH.D.Upland, CA 917861578182739
- Sean Szeja, M.D.Upland, CA 917861023351822
- Edward Jung, MDWest Covina, CA 917901003011941
- Arthur Chung, MDWest Covina, CA 917921295026102
Common questions
What is Peter Allison Austin, M.D.'s NPI number?
Peter Allison Austin, M.D.'s National Provider Identifier (NPI) is 1487085221, issued on Dec 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Peter Allison Austin, M.D. located?
The NPPES record lists a practice address at 1655 Aspen Grove LN, Diamond Bar, CA, 91765. Phone: (909) 568-3652. Providers update this record themselves, so call before visiting.
How can I verify Peter Allison Austin, M.D.'s license?
NPPES lists California license number GFE24628, 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 Allison Austin, M.D. prescribe under Medicare Part D?
In 2024, Peter Allison Austin, M.D. had 23 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.