Charlie Yang, MD
NPI 1073680823 · Hematology & Oncology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlie Yang, MD is a Hematology & Oncology Physician provider in Fontana, CA (NPI 1073680823).
Provider details
- NPI number
- 1073680823
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A96039 (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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 278 | 100 |
| Lenalidomide | 84 | 16 |
| Imatinib Mesylate | 74 | — |
| Abiraterone Acetate | 68 | 19 |
| Prednisone | 66 | 22 |
| Enzalutamidebrand: Xtandi | 62 | 11 |
| Ondansetron Hcl | 56 | 29 |
| Hydroxyurea | 54 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Charlie Yang's NPI number?
- Charlie Yang's National Provider Identifier (NPI) is 1073680823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlie Yang's specialty?
- Charlie Yang is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Charlie Yang located?
- Charlie Yang's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Charlie Yang's phone number?
- The practice phone number listed in the NPPES registry for Charlie Yang is (909) 427-3910.
- Does Charlie Yang accept Medicare?
- Charlie Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlie Yang's NPI active?
- Yes — Charlie Yang's NPI (1073680823) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.