NPPES file of Aug 9, 2026

Yu-Wei Chen, M.D.

Hematology & Oncology Physician · San Diego, CA

Yu-Wei Chen, M.D. is a hematology & oncology physician with a practice address in San Diego, California, and NPI 1245694801, issued on Apr 11, 2016. Check the license (California A161555, 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
1245694801
Name
Yu-Wei Chen
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A161555 CA
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Dr, San Diego, CA 92103
Phone
(800) 926-8273
Enumerated
Apr 11, 2016
Record last updated
Nov 12, 2025
Medicare enrollment
Enrolled (PECOS I20230728002796); accepts Medicare assignment
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 200 W Arbor Dr

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

  1. Alison A'Court, MDAnesthesiology Physician1912218199
  2. Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
  3. Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
  4. Joseph Abdelmalek, M.DNephrology Physician1740485531
  5. Kristy AbelCertified Registered Nurse Anesthetist1962113035
  6. Paula Abeleda, NPFamily Nurse Practitioner1558945022

Verify Yu-Wei Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A161555
    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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11% more Medicare Part D claims than the average hematology & oncology physician in 2024

971 Medicare Part D claims for 102 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 23 claims were for opioids.

  1. Yu-Wei Chen971
  2. Specialty average877

Most prescribed

  1. Abiraterone Acetate208 claims
  2. Prednisone177 claims
  3. Orgovyx118 claims
  4. Xtandi53 claims
  5. Amlodipine Besylate26 claims
  6. Prochlorperazine Maleate24 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: $2,897.42

14 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yu-Wei Chen$2,897.42
  2. Specialty average$7,481.41

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. Regents OF The University OF CaliforniaSan Diego, CA

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

Yu-Wei Chen among 1,583 hematology & oncology physician records in California

Yu-Wei Chen, M.D. is one of 1,583 hematology & 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 2016, is newer than 87% of them.

  • NPI issued2016 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2012 · median 2003 among the 1,124 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Lyudmila Bazhenova, M.D.San Diego, CA 921031093791006
  2. Lynn Bemiller, M.D.San Diego, CA 921031184632523
  3. Ezra Cohen, MDSan Diego, CA 921031518029065
  4. Gregory Daniels, M.D., PH.D.San Diego, CA 921031164480943
  5. Andrew Hampshire, M.D.San Diego, CA 921031073559068
  6. Peter Holman, MDSan Diego, CA 921031821049230
  7. Stephen Howell, M.D.San Diego, CA 921031114942802
  8. Catriona Jamieson, M.D./PH.DSan Diego, CA 921031841223617

Common questions

What is Yu-Wei Chen, M.D.'s NPI number?

Yu-Wei Chen, M.D.'s National Provider Identifier (NPI) is 1245694801, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Yu-Wei Chen, M.D. located?

The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.

How can I verify Yu-Wei Chen, M.D.'s license?

NPPES lists California license number A161555, 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 Yu-Wei Chen, M.D. prescribe under Medicare Part D?

In 2024, Yu-Wei Chen, M.D. had 971 Medicare Part D claims for 102 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.