Grace Ku, DO
NPI 1851672380 · Internal Medicine Physician · Everett, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Ku, DO is a Internal Medicine Physician provider in Everett, WA (NPI 1851672380).
Provider details
- NPI number
- 1851672380
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OP60376286 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-08-29
- Last updated
- 2021-04-26
- Certified
- 2021-04-26
Frequently asked questions
- What is Grace Ku's NPI number?
- Grace Ku's National Provider Identifier (NPI) is 1851672380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Ku's specialty?
- Grace Ku is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Ku located?
- Grace Ku's practice location on file with NPPES is 2930 Maple St, Everett, WA 98201-3832.
- What is Grace Ku's phone number?
- The practice phone number listed in the NPPES registry for Grace Ku is (425) 261-1500.
- Does Grace Ku accept Medicare?
- Grace Ku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Ku's NPI active?
- Yes — Grace Ku's NPI (1851672380) is active in the NPPES registry as of the last update on 2021-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.