NPPES file of Aug 9, 2026

Jeffrey Kai Wu, M.D.

Radiation Oncology Physician · San Luis Obispo, CA

Jeffrey Kai Wu, M.D. is a radiation oncology physician with a practice address in San Luis Obispo, California, and NPI 1336331289, issued on Aug 14, 2007. Check the license (California A106273, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336331289
Name
Jeffrey Kai Wu
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A106273 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Casa St Ste C, San Luis Obispo, CA 93405
Phone
(805) 541-1932
Enumerated
Aug 14, 2007
Record last updated
Oct 21, 2022
Fax
(805) 541-1653
Medicaid ID
1336331289 CA
Medicare enrollment
Enrolled (PECOS I20120813000552); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2007
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 100 Casa St Ste C

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

  1. Robert Johnson, M.D.Therapeutic Radiology Physician1598942781

Verify Jeffrey Kai 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 A106273
    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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59% fewer Medicare Part D claims than the average radiation oncology physician in 2024

55 Medicare Part D claims for 29 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Jeffrey Wu55
  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.

The MIPS final score for 2023 (Medicare payment program): 78.8 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.

  1. Qualityout of 100 · 30% of the final score57.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $191.66

2 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. Jeffrey Wu$191.66
  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. Sutter Bay Medical FoundationSan Luis Obispo, CA

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

Jeffrey Kai Wu among 735 radiation oncology physician records in California

Jeffrey Kai Wu, 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
  • Graduated2007 · median 2005 among the 545 with a school on file
  • Record last updated2022 · 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. Robert Fishburn, MDSan Luis Obispo, CA 934051508858465
  2. Jonathan Stella, MDSan Luis Obispo, CA 934051790787141
  3. Lauren Tait, M.D.San Luis Obispo, CA 934051972821601
  4. John Wilkinson, M.D.Lompoc, CA 934361568621803
  5. Dylan Conroy, MDSanta Maria, CA 934541942761812
  6. Sheri Marquez, MDSanta Maria, CA 934541538149224
  7. Jonathan Vanwickle, MDSanta Maria, CA 934541811493737
  8. James Longo, MDTempleton, CA 934651083606602

Common questions

What is Jeffrey Kai Wu, M.D.'s NPI number?

Jeffrey Kai Wu, M.D.'s National Provider Identifier (NPI) is 1336331289, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Kai Wu, M.D. located?

The NPPES record lists a practice address at 100 Casa St Ste C, San Luis Obispo, CA, 93405. Phone: (805) 541-1932. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Kai Wu, M.D.'s license?

NPPES lists California license number A106273, 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 Jeffrey Kai Wu, M.D. prescribe under Medicare Part D?

In 2024, Jeffrey Kai Wu, M.D. had 55 Medicare Part D claims for 29 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Jeffrey Kai Wu, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.8 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.