What is Justin Lo's NPI number?

Justin Lo's National Provider Identifier (NPI) is 1023817244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justin Lo's specialty?

Justin Lo is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).

Where is Justin Lo located?

Justin Lo's practice location on file with NPPES is 1959 Ne Pacific St Box 356540, Seattle, WA 98195-0001.

What is Justin Lo's phone number?

The practice phone number listed in the NPPES registry for Justin Lo is (206) 543-2474.

Is Justin Lo's NPI active?

Yes — Justin Lo's NPI (1023817244) is active in the NPPES registry as of the last update on 2026-04-20.

IndividualActive

Justin Lo

NPI 1023817244 · Anesthesiology Physician · Seattle, WA

Justin Lo is a Anesthesiology Physician provider in Seattle, WA (NPI 1023817244).

Provider details

NPI number: 1023817244
Entity type: Individual
Primary specialty: Anesthesiology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: MDRE.ML.70112689 (WA)

Specialties & taxonomies

Anesthesiology PhysicianPrimary207L00000XLicense MDRE.ML.70112689 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr 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

1959 Ne Pacific St Box 356540

Seattle, WA 98195-0001

Phone: (206) 543-2474

Fax: (206) 543-2958

Street-level locationGet directions

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Mailing address