NPPES file of Aug 9, 2026

Jeffrey Bien, M.D.

Hematology & Oncology Physician · Santa Clara, CA

Jeffrey Bien, M.D. is a hematology & oncology physician with a practice address in Santa Clara, California, and NPI 1487040911, issued on Apr 10, 2015. Check the license (California A161700, 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
1487040911
Name
Jeffrey Bien
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A161700 CA
MD187559 OR
Self-reported in NPPES; status is on the state search
Practice location
710 Lawrence Expy, Santa Clara, CA 95051
Phone
(650) 823-9069
Enumerated
Apr 10, 2015
Record last updated
Aug 23, 2022
Medicare enrollment
Enrolled (PECOS I20230912003461); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2015
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 710 Lawrence Expy

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

  1. Iype Abraham, M.D.Internal Medicine Physician1578737243
  2. Oren Abramson, MDPediatric Gastroenterology Physician1265511307
  3. Jamie Adiarte, PA-CPhysician Assistant1073824413
  4. Sarah Adut, PHDClinical Psychologist1609484831
  5. Najla Ahmadzia, M.D.Student in an Organized Health Care Education/Training Program1568692580
  6. Farhana Ahmed, MDHospitalist Physician1215110002

Verify Jeffrey Bien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A161700
    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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31% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

603 Medicare Part D claims for 111 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 46 claims were for opioids.

  1. Jeffrey Bien603
  2. Specialty average877

Most prescribed

  1. Abiraterone Acetate121 claims
  2. Ibrance79 claims
  3. Anastrozole70 claims
  4. Prednisone44 claims
  5. Tagrisso29 claims
  6. Imatinib Mesylate24 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Clara, CA

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

Jeffrey Bien among 1,583 hematology & oncology physician records in California

Jeffrey Bien, 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 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2015 · median 2003 among the 1,124 with a school on file
  • Record last updated2022 · 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. Samina Ahmed, MDSanta Clara, CA 950511114180197
  2. Robert Feiner, MDSanta Clara, CA 950511467539395
  3. Shaun Hung, MDSanta Clara, CA 950511053498915
  4. Jed Katzel, M.D.Santa Clara, CA 950511700012770
  5. Kevin Shieh, MD, PHDSanta Clara, CA 950511043716244
  6. Lucy Song, M.D.Santa Clara, CA 950511699771030
  7. Rohan AhluwaliaSanta Cruz, CA 950651053632356
  8. Julie Jaffe, M.D.Santa Cruz, CA 950651801942008

Common questions

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

Jeffrey Bien, M.D.'s National Provider Identifier (NPI) is 1487040911, issued on Apr 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Bien, M.D. located?

The NPPES record lists a practice address at 710 Lawrence Expy, Santa Clara, CA, 95051. Phone: (650) 823-9069. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A161700, 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 Bien, M.D. prescribe under Medicare Part D?

In 2024, Jeffrey Bien, M.D. had 603 Medicare Part D claims for 111 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.