Jeffrey Bien, M.D.
NPI 1487040911 · Hematology & Oncology Physician · Santa Clara, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Bien, M.D. is a Hematology & Oncology Physician provider in Santa Clara, CA (NPI 1487040911).
Provider details
- NPI number
- 1487040911
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD187559 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 121 | 18 |
| Palbociclibbrand: Ibrance | 79 | — |
| Anastrozole | 70 | 25 |
| Prednisone | 44 | 13 |
| Osimertinib Mesylatebrand: Tagrisso | 29 | — |
| Imatinib Mesylate | 24 | — |
| Enzalutamidebrand: Xtandi | 20 | — |
Practice location
Mailing address
Additional practice locations (1)
- 875 Blake Wilbur DrPalo Alto, CA 94304-2205Phone: (650) 823-9069
Registry dates
- Enumerated
- 2015-04-10
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Jeffrey Bien's NPI number?
- Jeffrey Bien's National Provider Identifier (NPI) is 1487040911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Bien's specialty?
- Jeffrey Bien is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Bien located?
- Jeffrey Bien's practice location on file with NPPES is 710 Lawrence Expy, Santa Clara, CA 95051.
- What is Jeffrey Bien's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Bien is (650) 823-9069.
- Does Jeffrey Bien accept Medicare?
- Jeffrey Bien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Bien's NPI active?
- Yes — Jeffrey Bien's NPI (1487040911) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.