Vivian Lou, MD
NPI 1821857061 · Surgery Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Lou, MD is a Surgery Physician provider in Seattle, WA (NPI 1821857061).
Provider details
- NPI number
- 1821857061
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MDRE.ML.61544609 (WA)
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
2 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
- 2024-03-18
- Last updated
- 2024-07-06
- Certified
- 2024-07-06
Frequently asked questions
- What is Vivian Lou's NPI number?
- Vivian Lou's National Provider Identifier (NPI) is 1821857061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Lou's specialty?
- Vivian Lou is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Lou located?
- Vivian Lou's practice location on file with NPPES is 1959 Ne Pacific Street, Seattle, WA 98195-0001.
- What is Vivian Lou's phone number?
- The practice phone number listed in the NPPES registry for Vivian Lou is (206) 543-3654.
- Does Vivian Lou accept Medicare?
- Vivian Lou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Lou's NPI active?
- Yes — Vivian Lou's NPI (1821857061) is active in the NPPES registry as of the last update on 2024-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.