Millie Leung, MD
NPI 1215085162 · Hematology & Oncology Physician · Baldwin Park, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Millie Leung, MD is a Hematology & Oncology Physician provider in Baldwin Park, CA (NPI 1215085162).
Provider details
- NPI number
- 1215085162
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A61489 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 205 | 61 |
| Lenalidomide | 111 | 13 |
| Letrozole | 83 | 24 |
| Ondansetron Hcl | 57 | 32 |
| Epoetin Alfabrand: Procrit | 52 | — |
| Prednisone | 47 | 17 |
| Hydroxyurea | 41 | — |
| Pomalidomidebrand: Pomalyst | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-12-01
Frequently asked questions
- What is Millie Leung's NPI number?
- Millie Leung's National Provider Identifier (NPI) is 1215085162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Millie Leung's specialty?
- Millie Leung is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Millie Leung located?
- Millie Leung's practice location on file with NPPES is 1011 Baldwin Park Blvd, Baldwin Park, CA 91706-5806.
- What is Millie Leung's phone number?
- The practice phone number listed in the NPPES registry for Millie Leung is (626) 851-1011.
- Does Millie Leung accept Medicare?
- Millie Leung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Millie Leung's NPI active?
- Yes — Millie Leung's NPI (1215085162) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.