David Koster, M.D.
NPI 1063406163 · Hematology & Oncology Physician · Fresno, CA
David Koster, M.D. is a Hematology & Oncology Physician provider in Fresno, CA (NPI 1063406163).
Provider details
- NPI number
- 1063406163
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G64875 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 51 | 20 |
| Prochlorperazine Maleate | 43 | 25 |
| Ibrutinibbrand: Imbruvica | 36 | — |
| Ondansetron Hcl | 28 | 18 |
| Abiraterone Acetate | 27 | — |
| Prednisone | 27 | 11 |
| Acyclovir | 25 | — |
| Enzalutamidebrand: Xtandi |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-02
- Last updated
- 2021-11-05
- Certified
- 2021-11-05
Frequently asked questions
- What is David Koster's NPI number?
- David Koster's National Provider Identifier (NPI) is 1063406163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Koster's specialty?
- David Koster is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Koster located?
- David Koster's practice location on file with NPPES is 7130 N Millbrook Ave, Fresno, CA 93720-3347.
- What is David Koster's phone number?
- The practice phone number listed in the NPPES registry for David Koster is (559) 326-1238.
- Is David Koster's NPI active?
- Yes — David Koster's NPI (1063406163) is active in the NPPES registry as of the last update on 2021-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.