NPPES file of Aug 9, 2026

Victor Eric Chen, MD, MPH

Radiation Oncology Physician · San Francisco, CA

Victor Eric Chen, MD, MPH is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1912433632, issued on May 2, 2017. Check the license (California A199919, 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
1912433632
Name
Victor Eric Chen
Credential
MD, MPH
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
A199919 CA
MD209939 OR
Self-reported in NPPES; status is on the state search
Practice location
1600 Divisadero St # H1031, San Francisco, CA 94143
Phone
(415) 353-7175
Enumerated
May 2, 2017
Record last updated
Jan 6, 2025
Fax
(415) 353-9884
Medicaid ID
500805046 OR
Medicare enrollment
Enrolled (PECOS I20241122003905); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2017
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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Verify Victor Eric 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 A199919
    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

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69% fewer Medicare Part D claims than the average radiation oncology physician in 2024

41 Medicare Part D claims for 24 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Victor Chen41
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl11 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: $84.35

1 payment: food and beverage; the largest payer was Elekta, 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. Victor Chen$84.35
  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 2 group practices

  1. Ucsf Medical Group Business ServicesSan Francisco, CA
  2. University OF California San FranciscoSan Francisco, CA

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

Victor Eric Chen among 735 radiation oncology physician records in California

Victor Eric Chen, MD, MPH 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 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2005 among the 545 with a school on file
  • Record last updated2025 · 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. Lauren Boreta, M.D.San Francisco, CA 941431679990071
  2. Steve Braunstein, MD, PHDSan Francisco, CA 941431760610141
  3. Mary Feng, M.D.San Francisco, CA 941431720106693
  4. Barbara Fowble, M.D.San Francisco, CA 941431881623866
  5. Encouse Golden, MD, PHDSan Francisco, CA 941431841525664
  6. Kavita Mishra, M.D., M.P.H.San Francisco, CA 941431568640076
  7. Jean Nakamura, M.D.San Francisco, CA 941431154369551
  8. Anna Paulsson, M.D.San Francisco, CA 941431134562333

Common questions

What is Victor Eric Chen, MD, MPH's NPI number?

Victor Eric Chen, MD, MPH's National Provider Identifier (NPI) is 1912433632, issued on May 2, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Victor Eric Chen, MD, MPH located?

The NPPES record lists a practice address at 1600 Divisadero St # H1031, San Francisco, CA, 94143. Phone: (415) 353-7175. Providers update this record themselves, so call before visiting.

How can I verify Victor Eric Chen, MD, MPH's license?

NPPES lists California license number A199919, 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 Victor Eric Chen, MD, MPH prescribe under Medicare Part D?

In 2024, Victor Eric Chen, MD, MPH had 41 Medicare Part D claims for 24 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.