David Lou, M.D., PH.D.
NPI 1477729861 · Hematology & Oncology Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Lou, M.D., PH.D. is a Hematology & Oncology Physician provider in Irvine, CA (NPI 1477729861).
Provider details
- NPI number
- 1477729861
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A111343 (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
18 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 858 | 107 |
| Prednisone | 429 | 117 |
| Enzalutamidebrand: Xtandi | 168 | 24 |
| Potassium Chloride | 107 | 43 |
| Dexamethasone | 105 | 31 |
| Osimertinib Mesylatebrand: Tagrisso | 92 | 11 |
| Lenalidomide | 92 | — |
| Anastrozole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-05
- Last updated
- 2021-11-30
Frequently asked questions
- What is David Lou's NPI number?
- David Lou's National Provider Identifier (NPI) is 1477729861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lou's specialty?
- David Lou is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Lou located?
- David Lou's practice location on file with NPPES is 6650 Alton Pkwy, Irvine, CA 92618-3734.
- What is David Lou's phone number?
- The practice phone number listed in the NPPES registry for David Lou is (949) 932-5000.
- Does David Lou accept Medicare?
- David Lou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Lou's NPI active?
- Yes — David Lou's NPI (1477729861) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.