Xiao Zhao, M.D.
Radiation Oncology Physician · Sacramento, CA
Xiao Zhao, M.D. is a radiation oncology physician with a practice address in Sacramento, California, and NPI 1336585215, issued on May 17, 2013. Check the license (California 132507, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Xiao Zhao
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 132507 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4501 X St, Sacramento, CA 95817
- Phone
- (916) 734-5823
- Enumerated
- May 17, 2013
- Record last updated
- Sep 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180710004000); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4501 X St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristine Ahlberg, RNOncology Registered Nurse1982086567
- Danielle Baham, RDRegistered Dietitian1427533249
- Cheryl Breed, NPNurse Practitioner1760408959
- Laura Brennan, F.N.PFamily Nurse Practitioner1235389826
- Radha CanepaInternal Medicine Physician1760767511
- Sally Denardo, M.D.Internal Medicine Physician1568447878
Verify Xiao Zhao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 132507Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average radiation oncology physician in 2024
57 Medicare Part D claims for 26 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Bicalutamide23 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.
The MIPS final score for 2023 (Medicare payment program): 90.9 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).
Bills Medicare through one group practice
- Regents OF The Univ OF CAMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
Other radiation oncology physician records in California
- Christina Abel, NURSE PRACTITIONEROrange, CA1033638911
- Jonathan Abelson, M.D.Thousand Oaks, CA1730348053
- Roy Abendroth, MDSan Francisco, CA1811988421
- Sunil Advani, M.D.La Jolla, CA1669649844
- Faisal Ahmed, MDStanford, CA1427314855
- Eugene Ahn, MDSimi Valley, CA1912999533
- Matthew Allen, MDRedding, CA1235301714
- Zahora Ally, MDAntioch, CA1306839915
- Munther Alqaisi, M.D.San Bernardino, CA1356454300
- Alessandra Amadeo, MDTorrance, CA1225011034
Common questions
What is Xiao Zhao, M.D.'s NPI number?
Xiao Zhao, M.D.'s National Provider Identifier (NPI) is 1336585215, issued on May 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Xiao Zhao, M.D. located?
The NPPES record lists a practice address at 4501 X St, Sacramento, CA, 95817. Phone: (916) 734-5823. Providers update this record themselves, so call before visiting.
How can I verify Xiao Zhao, M.D.'s license?
NPPES lists California license number 132507, 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 Xiao Zhao, M.D. prescribe under Medicare Part D?
In 2024, Xiao Zhao, M.D. had 57 Medicare Part D claims for 26 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Xiao Zhao, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.9 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.