Corey Schwartz, MD
NPI 1801974647 · Hematology & Oncology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Corey Schwartz, MD is a Hematology & Oncology Physician provider in Vallejo, CA (NPI 1801974647).
Provider details
- NPI number
- 1801974647
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A83676 (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
19 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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 61 | 13 |
| Prednisone | 47 | 17 |
| Imatinib Mesylate | 42 | 11 |
| Zanubrutinibbrand: Brukinsa | 37 | — |
| Dexamethasone | 29 | 16 |
| Enzalutamidebrand: Xtandi | 27 | — |
| Anastrozole | 24 | 19 |
| Hydroxyurea |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-09
Frequently asked questions
- What is Corey Schwartz's NPI number?
- Corey Schwartz's National Provider Identifier (NPI) is 1801974647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corey Schwartz's specialty?
- Corey Schwartz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Corey Schwartz located?
- Corey Schwartz's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Corey Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Corey Schwartz is (707) 651-1000.
- Does Corey Schwartz accept Medicare?
- Corey Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Corey Schwartz's NPI active?
- Yes — Corey Schwartz's NPI (1801974647) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.