NPPES file of Aug 9, 2026

Gordon W. Wong, M.D.

Radiation Oncology Physician · Los Gatos, CA

Gordon W. Wong, M.D. is a radiation oncology physician with a practice address in Los Gatos, California, and NPI 1235172446, issued on Jun 14, 2006. Check the license (California A102501, 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
1235172446
Name
Gordon W. Wong
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
A102501 CA
48162 WI
Self-reported in NPPES; status is on the state search
Practice location
15400 National Ave, Los Gatos, CA 95032
Phone
(408) 358-8400
Enumerated
Jun 14, 2006
Record last updated
Apr 6, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(408) 358-2793
Medicare enrollment
Enrolled (PECOS I20081013000191); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2003
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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Also registered at 15400 National Ave

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

  1. Ying Cao, MD, PH.DHematology & Oncology Physician1326209438
  2. Rakesh Patel, MDRadiation Oncology Physician1992768519

Verify Gordon W. Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A102501
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average radiation oncology physician in 2024

13 Medicare Part D claims for 12 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Gordon Wong13
  2. Specialty average134

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: $893.35

27 payments; by number, the most common kind was food and beverage; the largest payer was Novocure 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.

  1. Gordon Wong$893.35
  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 3 group practices

  1. Epic CareHayward, CA
  2. Monterey Bay Oncology A Medical CorporationLos Gatos, CA
  3. Regents OF The University OF California - UcsfSan Francisco, CA

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

Gordon W. Wong among 735 radiation oncology physician records in California

Gordon W. Wong, 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 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
  • Graduated2003 · median 2005 among the 545 with a school on file
  • Record last updated2017 · 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.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Tangel ChangLos Gatos, CA 950321306194915
  2. Deepak Khuntia, MDLos Gatos, CA 950321578525531
  3. Rakesh Patel, MDLos Gatos, CA 950321992768519
  4. Ravichandran Ramakrishnan, MDGilroy, CA 950201508390816
  5. Benjamin Fisch, MDSanta Clara, CA 950511922185859
  6. Joseph Hastings, MD, MPHSanta Clara, CA 950511194815134
  7. Anita Lee, MDSanta Clara, CA 950511790773448
  8. Wilson Mai, MD, PHDSanta Clara, CA 950511285210633

Common questions

What is Gordon W. Wong, M.D.'s NPI number?

Gordon W. Wong, M.D.'s National Provider Identifier (NPI) is 1235172446, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gordon W. Wong, M.D. located?

The NPPES record lists a practice address at 15400 National Ave, Los Gatos, CA, 95032. Phone: (408) 358-8400. Providers update this record themselves, so call before visiting.

How can I verify Gordon W. Wong, M.D.'s license?

NPPES lists California license number A102501, 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 Gordon W. Wong, M.D. prescribe under Medicare Part D?

In 2024, Gordon W. Wong, M.D. had 13 Medicare Part D claims for 12 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.

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.