Tien Lu
NPI 1942816202 · Emergency Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tien Lu is a Emergency Medicine Physician provider in Orange, CA (NPI 1942816202).
Provider details
- NPI number
- 1942816202
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- PTL10442 (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
- 2020-09-21
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Tien Lu's NPI number?
- Tien Lu's National Provider Identifier (NPI) is 1942816202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tien Lu's specialty?
- Tien Lu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tien Lu located?
- Tien Lu's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Tien Lu's phone number?
- The practice phone number listed in the NPPES registry for Tien Lu is (714) 456-5239.
- Does Tien Lu accept Medicare?
- Tien Lu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tien Lu's NPI active?
- Yes — Tien Lu's NPI (1942816202) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.