Grace Liu, NP
NPI 1740994797 · Family Nurse Practitioner · Irvine, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Liu, NP is a Family Nurse Practitioner provider in Irvine, CA (NPI 1740994797).
Provider details
- NPI number
- 1740994797
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- NP95023699 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
100% 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 167 | 106 |
| Pantoprazole Sodium | 54 | 33 |
| Sucralfate | 42 | 28 |
| Famotidine | 28 | 21 |
| Hydrocortisone | 28 | 26 |
| Linaclotidebrand: Linzess | 17 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 17 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,914 across 82 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
- 2023-01-12
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is Grace Liu's NPI number?
- Grace Liu's National Provider Identifier (NPI) is 1740994797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Liu's specialty?
- Grace Liu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Grace Liu located?
- Grace Liu's practice location on file with NPPES is 113 Waterworks Way Ste 155, Irvine, CA 92618-3163.
- What is Grace Liu's phone number?
- The practice phone number listed in the NPPES registry for Grace Liu is (949) 612-9090.
- Does Grace Liu accept Medicare?
- Grace Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Liu's NPI active?
- Yes — Grace Liu's NPI (1740994797) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.