NPPES file of Aug 9, 2026

Kuang-Hwa Kenneth Chao, M.D.

Radiation Oncology Physician · Walnut Creek, CA

Kuang-Hwa Kenneth Chao, M.D. is a radiation oncology physician with a practice address in Walnut Creek, California, and NPI 1073721569, issued on May 18, 2007. Check the license (California A104893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073721569
Name
Kuang-Hwa Kenneth Chao
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A104893 CA
Self-reported in NPPES; status is on the state search
Practice location
575 Lennon LN, Walnut Creek, CA 94598
Phone
(925) 954-6710
Enumerated
May 18, 2007
Record last updated
Nov 13, 2024
Fax
(925) 954-6711
Medicare enrollment
Enrolled (PECOS I20100826000881); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2002
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →

Also registered at 575 Lennon LN

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Soheila Azghadi, MDRadiation Oncology Physician1952794455
  2. Danielle Bertoni, MDSurgery Physician1780843185
  3. Julianne ChavesPhysician Assistant1891463667
  4. Nicole Daisa, ARNPFamily Nurse Practitioner1861924516
  5. Jewel Johl, M.D.Hematology & Oncology Physician1407852858
  6. James Mitchell, MDRadiation Oncology Physician1700057569

Verify Kuang-Hwa Kenneth Chao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104893    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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33% more Medicare Part D claims than the average radiation oncology physician in 2024

178 Medicare Part D claims for 58 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Kuang-Hwa Chao178
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl55 claims
  2. Ciprofloxacin Hcl33 claims
  3. Diazepam25 claims
  4. Bicalutamide16 claims
  5. Baclofen11 claims
  6. Orgovyx11 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.

Industry payments in 2024: $1,661.31

63 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Kuang-Hwa Chao$1,661.31
  2. Specialty average$1,897.85

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

  1. Bass Medical GroupAlamo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kuang-Hwa Kenneth Chao among 735 radiation oncology physician records in California

Kuang-Hwa Kenneth Chao, 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 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 43% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2002 · median 2005 among the 545 with a school on file
  • Record last updated2024 · 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 Walnut Creek → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Soheila Azghadi, MDWalnut Creek, CA 945981952794455
  2. James Mitchell, MDWalnut Creek, CA 945981700057569
  3. Michael Zhang, M.D., PH.D.Vallejo, CA 945891861856718
  4. Gopal Sachdeva, MDEmeryville, CA 946081447449509
  5. Michael Faer, M.D.Oakland, CA 946091932192242
  6. Charles Fiske, M.D.Oakland, CA 946091013900331
  7. John Salzman, MDOakland, CA 946091457349342
  8. Jason Kelly, MDOakland, CA 946111063590859

Common questions

What is Kuang-Hwa Kenneth Chao, M.D.'s NPI number?

Kuang-Hwa Kenneth Chao, M.D.'s National Provider Identifier (NPI) is 1073721569, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kuang-Hwa Kenneth Chao, M.D. located?

The NPPES record lists a practice address at 575 Lennon LN, Walnut Creek, CA, 94598. Phone: (925) 954-6710. Providers update this record themselves, so call before visiting.

How can I verify Kuang-Hwa Kenneth Chao, M.D.'s license?

NPPES lists California license number A104893, 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 Kuang-Hwa Kenneth Chao, M.D. prescribe under Medicare Part D?

In 2024, Kuang-Hwa Kenneth Chao, M.D. had 178 Medicare Part D claims for 58 beneficiaries; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.