Michelle Liu, PA
NPI 1295431088 · Physician Assistant · Castro Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Liu, PA is a Physician Assistant provider in Castro Valley, CA (NPI 1295431088).
Provider details
- NPI number
- 1295431088
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 117 | 56 |
| Atorvastatin Calcium | 102 | 41 |
| Losartan Potassium | 73 | 34 |
| Lisinopril | 52 | 27 |
| Empagliflozinbrand: Jardiance | 46 | 13 |
| Levothyroxine Sodium | 44 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$371 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-02-02
- Last updated
- 2023-03-28
- Certified
- 2023-03-28
Frequently asked questions
- What is Michelle Liu's NPI number?
- Michelle Liu's National Provider Identifier (NPI) is 1295431088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Liu's specialty?
- Michelle Liu is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Liu located?
- Michelle Liu's practice location on file with NPPES is 20700 Lake Chabot Rd Ste 107, Castro Valley, CA 94546-5402.
- What is Michelle Liu's phone number?
- The practice phone number listed in the NPPES registry for Michelle Liu is (510) 886-5515.
- Does Michelle Liu accept Medicare?
- Michelle Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Liu's NPI active?
- Yes — Michelle Liu's NPI (1295431088) is active in the NPPES registry as of the last update on 2023-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.