NPPES file of Aug 9, 2026

Bradley Cameron Ekstrand, M.D., PH.D.

Hematology & Oncology Physician · San Mateo, CA

Bradley Cameron Ekstrand, M.D., PH.D. is a hematology & oncology physician with a practice address in San Mateo, California, and NPI 1528125135, issued on Jan 2, 2007. Check the license (California A71243, 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
1528125135
Name
Bradley Cameron Ekstrand
Credential
M.D., PH.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A71243 CA
Self-reported in NPPES; status is on the state search
Practice location
218 DE Anza Blvd, San Mateo, CA 94402
Phone
(650) 341-9131
Enumerated
Jan 2, 2007
Record last updated
May 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(650) 341-9135
Medicare enrollment
Enrolled (PECOS I20031120000989); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1997
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 218 DE Anza Blvd

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

  1. Kent Adler, M.D.Hematology & Oncology Physician1013074632
  2. Jennifer Brown, M.D.Hematology & Oncology Physician1740347350
  3. Ryan ChangMedical Oncology Physician1164985263
  4. Karen Chee, M.D.Hematology & Oncology Physician1487637310
  5. Shu Yi Chen, RPHPharmacist1902401250
  6. Jelena Kao, MDHematology & Oncology Physician1932242062

Verify Bradley Cameron Ekstrand in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71243
    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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56% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,366 Medicare Part D claims for 202 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 11 claims were for opioids.

  1. Bradley Ekstrand1,366
  2. Specialty average877

Most prescribed

  1. Prednisone292 claims
  2. Abiraterone Acetate255 claims
  3. Ondansetron Hcl60 claims
  4. Erleada46 claims
  5. Lorazepam44 claims
  6. Hydroxyurea39 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through one group practice

  1. Ucsf Medical Group Business ServicesBurlingame, CA

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

Bradley Cameron Ekstrand among 1,583 hematology & oncology physician records in California

Bradley Cameron Ekstrand, M.D., PH.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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1997 · median 2003 among the 1,124 with a school on file
  • Record last updated2011 · 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. Kent Adler, M.D.San Mateo, CA 944021013074632
  2. Jennifer Brown, M.D.San Mateo, CA 944021740347350
  3. Karen Chee, M.D.San Mateo, CA 944021487637310
  4. Robert Cohen, MDSan Mateo, CA 944021073034765
  5. Jelena Kao, MDSan Mateo, CA 944021932242062
  6. Sirisha Tummala, MDSan Mateo, CA 944021851755151
  7. Elham Vosoughi, M.D.San Mateo, CA 944021134658669
  8. Katrina FischerSan Mateo, CA 944011477972388

Common questions

What is Bradley Cameron Ekstrand, M.D., PH.D.'s NPI number?

Bradley Cameron Ekstrand, M.D., PH.D.'s National Provider Identifier (NPI) is 1528125135, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Bradley Cameron Ekstrand, M.D., PH.D. located?

The NPPES record lists a practice address at 218 DE Anza Blvd, San Mateo, CA, 94402. Phone: (650) 341-9131. Providers update this record themselves, so call before visiting.

How can I verify Bradley Cameron Ekstrand, M.D., PH.D.'s license?

NPPES lists California license number A71243, 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 Bradley Cameron Ekstrand, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Bradley Cameron Ekstrand, M.D., PH.D. had 1,366 Medicare Part D claims for 202 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Bradley Cameron Ekstrand, M.D., PH.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.