Stephen Liu, MD
NPI 1821688722 · Sports Medicine (Orthopaedic Surgery) Physician · Los Angeles, CA
Stephen Liu, MD is a Sports Medicine (Orthopaedic Surgery) Physician provider in Los Angeles, CA (NPI 1821688722).
Provider details
- NPI number
- 1821688722
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G61053 (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
5 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
- 2021-01-25
- Last updated
- 2021-01-25
- Certified
- 2021-01-08
Frequently asked questions
- What is Stephen Liu's NPI number?
- Stephen Liu's National Provider Identifier (NPI) is 1821688722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Liu's specialty?
- Stephen Liu is listed in the NPPES registry with a primary specialty of Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Liu located?
- Stephen Liu's practice location on file with NPPES is 11301 W Olympic Blvd # 558, Los Angeles, CA 90064-1653.
- What is Stephen Liu's phone number?
- The practice phone number listed in the NPPES registry for Stephen Liu is (310) 989-1857.
- Is Stephen Liu's NPI active?
- Yes — Stephen Liu's NPI (1821688722) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.