Grace S Liu, M D Inc
NPI 1861656563 · MOHS-Micrographic Surgery Physician · Newport Beach, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace S Liu, M D Inc is a MOHS-Micrographic Surgery Physician organization in Newport Beach, CA (NPI 1861656563).
Provider details
- NPI number
- 1861656563
- Entity type
- Organization
- Primary specialty
- MOHS-Micrographic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Grace Liu, Owner(949) 863-0988
- License
- A061446 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-11
- Last updated
- 2023-09-12
- Certified
- 2023-09-12
Frequently asked questions
- What is Grace S Liu, M D Inc's NPI number?
- Grace S Liu, M D Inc's National Provider Identifier (NPI) is 1861656563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Grace S Liu, M D Inc?
- Grace S Liu, M D Inc is classified in the NPPES registry as MOHS-Micrographic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Grace S Liu, M D Inc located?
- Grace S Liu, M D Inc's practice location on file with NPPES is 3991 Macarthur Blvd, Newport Beach, CA 92660-3009.
- What is Grace S Liu, M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Grace S Liu, M D Inc is (949) 863-0988.
- Does Grace S Liu, M D Inc accept Medicare?
- Grace S Liu, M D Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Grace S Liu, M D Inc?
- The authorized official listed on Grace S Liu, M D Inc's NPPES record is Grace Liu, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Grace S Liu, M D Inc's NPI active?
- Yes — Grace S Liu, M D Inc's NPI (1861656563) is active in the NPPES registry as of the last update on 2023-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.