Janie Liu, D.O.
NPI 1548519366 · Family Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janie Liu, D.O. is a Family Medicine Physician provider in Downey, CA (NPI 1548519366).
Provider details
- NPI number
- 1548519366
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A12485 (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
13 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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 492 | 220 |
| Rosuvastatin Calcium | 310 | 124 |
| Amlodipine Besylate | 276 | 113 |
| Losartan Potassium | 258 | 111 |
| Levothyroxine Sodium | 240 | 102 |
| Lisinopril | 191 | 97 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-07
- Last updated
- 2021-11-17
- Certified
- 2021-11-17
Frequently asked questions
- What is Janie Liu's NPI number?
- Janie Liu's National Provider Identifier (NPI) is 1548519366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janie Liu's specialty?
- Janie Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janie Liu located?
- Janie Liu's practice location on file with NPPES is 11500 Brookshire Avenue, Downey, CA 90241-7010.
- What is Janie Liu's phone number?
- The practice phone number listed in the NPPES registry for Janie Liu is (562) 904-5000.
- Does Janie Liu accept Medicare?
- Janie Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janie Liu's NPI active?
- Yes — Janie Liu's NPI (1548519366) is active in the NPPES registry as of the last update on 2021-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.