NPPES file of Aug 9, 2026

Winnifred Wong, DO

Radiation Oncology Physician · Travis Afb, CA

Winnifred Wong, DO is a radiation oncology physician with a practice address in Travis Afb, California, and NPI 1144554148, issued on Sep 23, 2009. Check the license 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
1144554148
Name
Winnifred Wong
Credential
DO
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
OP60363886 WA
Self-reported in NPPES; status is on the state search
Practice location
101 Bodin Cir, Travis Afb, CA 94535
Phone
(707) 423-7691
Enumerated
Sep 23, 2009
Record last updated
Aug 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20230725002555); accepts Medicare assignment
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 101 Bodin Cir

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

  1. La Neice Abdel-Shakur, CNMAdvanced Practice Midwife1215098512
  2. Nataliya Ables, D.O.Psychiatry Physician1205102431
  3. Eric Abram, IDMTIndependent Duty Medical Technicians1558595694
  4. Parag Agarwal, RPHPharmacist1043349012
  5. Aaron Agirre, DDS, MSPeriodontics1770863136
  6. Theresa Agosto-SmartClinical Social Worker1346749330

Verify Winnifred Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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6% more Medicare Part D claims than the average radiation oncology physician in 2024

142 Medicare Part D claims for 45 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Winnifred Wong142
  2. Specialty average134

Most prescribed

  1. Venlafaxine Hcl Er32 claims
  2. Tamsulosin Hcl29 claims
  3. Oxybutynin Chloride Er11 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: $1,956.97

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

  1. Winnifred Wong$1,956.97
  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.

One hospital affiliation

  1. Mid-Columbia Medical CenterThe Dalles, OR · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Winnifred Wong among 735 radiation oncology physician records in California

Winnifred Wong, DO 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 2009, is newer than 62% of them.

  • NPI issued2009 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2008 · median 2005 among the 545 with a school on file
  • Record last updated2019 · 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. David Eastham, MD, MPHTravis Afb, CA 945351356412050
  2. Zahora Ally, MDAntioch, CA 945311306839915
  3. Joseph Beck, M.D.Antioch, CA 945311740206085
  4. Mariam Korah, MDAntioch, CA 945311083891543
  5. Sravana Chennupati, MDPleasant Hill, CA 945231609193226
  6. Christine Chung, M.D.Pleasant Hill, CA 945231346438256
  7. Sophia Rahman, M.D.Pleasant Hill, CA 945231831266741
  8. Loan Tran, MDPleasant Hill, CA 945231043292410

Common questions

What is Winnifred Wong, DO's NPI number?

Winnifred Wong, DO's National Provider Identifier (NPI) is 1144554148, issued on Sep 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Winnifred Wong, DO located?

The NPPES record lists a practice address at 101 Bodin Cir, Travis Afb, CA, 94535. Phone: (707) 423-7691. Providers update this record themselves, so call before visiting.

How can I verify Winnifred Wong, DO's license?

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 Winnifred Wong, DO prescribe under Medicare Part D?

In 2024, Winnifred Wong, DO had 142 Medicare Part D claims for 45 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.