Weier Liu, MD
NPI 1265096515 · Family Medicine Physician · Napa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Weier Liu, MD is a Family Medicine Physician provider in Napa, CA (NPI 1265096515).
Provider details
- NPI number
- 1265096515
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 249 | 111 |
| Lisinopril | 187 | 70 |
| Losartan Potassium | 177 | 71 |
| Amlodipine Besylate | 166 | 78 |
| Levothyroxine Sodium | 141 | 55 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 132 | 33 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-23
- Last updated
- 2022-07-18
- Certified
- 2022-07-18
Frequently asked questions
- What is Weier Liu's NPI number?
- Weier Liu's National Provider Identifier (NPI) is 1265096515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Weier Liu's specialty?
- Weier Liu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Weier Liu located?
- Weier Liu's practice location on file with NPPES is 3285 Claremont Way, Napa, CA 94558-3313.
- What is Weier Liu's phone number?
- The practice phone number listed in the NPPES registry for Weier Liu is (707) 258-2500.
- Does Weier Liu accept Medicare?
- Weier Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Weier Liu's NPI active?
- Yes — Weier Liu's NPI (1265096515) is active in the NPPES registry as of the last update on 2022-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.