NPPES file of Aug 9, 2026

Meiwen Wu, MD

Radiation Oncology Physician · San Francisco, CA

Meiwen Wu, MD is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1255312880, issued on Nov 10, 2005. Check the license (California A73496, 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
1255312880
Name
Meiwen Wu
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A73496 CA
Self-reported in NPPES; status is on the state search
Practice location
2333 Buchanan St, San Francisco, CA 94115
Phone
(209) 342-2300
Enumerated
Nov 10, 2005
Record last updated
Aug 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(209) 524-4240
Medicaid ID
00A734960 CA
Medicare enrollment
Enrolled (PECOS I20031212000914); 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 2333 Buchanan St

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

  1. Roy Abendroth, MDRadiation Oncology Physician1811988421
  2. Rashi Agarwal, M.B.B.S.Student in an Organized Health Care Education/Training Program1376981878
  3. Stephen Anderka, MDEmergency Medicine Physician1083605455
  4. Steven Ansley, MDEmergency Medicine Physician1851382378
  5. Jennifer Beachey, M.D.Internal Medicine Physician1285657049
  6. Robert Bowyer, DOEmergency Medicine Physician1144211517

Verify Meiwen Wu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A73496
    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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33% fewer Medicare Part D claims than the average radiation oncology physician in 2024

90 Medicare Part D claims for 32 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 22 claims were for opioids.

  1. Meiwen Wu90
  2. Specialty average134

Most prescribed

  1. Hydrocodone-Acetaminophen13 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: $58.25

2 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. Meiwen Wu$58.25
  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. Northern California Radiation Therapists And Oncologists Medical GroupDaly City, CA

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

Meiwen Wu among 735 radiation oncology physician records in California

Meiwen Wu, MD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1982 · median 2005 among the 545 with a school on file
  • Record last updated2008 · 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. Roy Abendroth, MDSan Francisco, CA 941151811988421
  2. Jason Chan, M.D.San Francisco, CA 941151033536917
  3. Barry Chauser, MDSan Francisco, CA 941151902897515
  4. Nam Woo Cho, MDPHDSan Francisco, CA 941151811420052
  5. Alexander Gottschalk, M.D.San Francisco, CA 941151790728137
  6. I-Chow Hsu, M.D.San Francisco, CA 941151144263039
  7. Sara Huang, MDSan Francisco, CA 941151053393033
  8. John Lee, MDSan Francisco, CA 941151316938657

Common questions

What is Meiwen Wu, MD's NPI number?

Meiwen Wu, MD's National Provider Identifier (NPI) is 1255312880, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Meiwen Wu, MD located?

The NPPES record lists a practice address at 2333 Buchanan St, San Francisco, CA, 94115. Phone: (209) 342-2300. Providers update this record themselves, so call before visiting.

How can I verify Meiwen Wu, MD's license?

NPPES lists California license number A73496, 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 Meiwen Wu, MD prescribe under Medicare Part D?

In 2024, Meiwen Wu, MD had 90 Medicare Part D claims for 32 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.