Stephen Ku, DO
NPI 1841687647 · Anesthesiology Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ku, DO is a Anesthesiology Physician provider in Tacoma, WA (NPI 1841687647).
Provider details
- NPI number
- 1841687647
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP60759505 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- University of Washington1959 Ne Pacific Street, Box 356540Seattle, WA 98195-6540Phone: (206) 543-2773
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2020-02-08
- Certified
- 2020-02-08
Frequently asked questions
- What is Stephen Ku's NPI number?
- Stephen Ku's National Provider Identifier (NPI) is 1841687647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ku's specialty?
- Stephen Ku is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ku located?
- Stephen Ku's practice location on file with NPPES is 314 Martin Luther King Jr Way Ste 300, Tacoma, WA 98405-4292.
- What is Stephen Ku's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ku is (253) 274-1668.
- Does Stephen Ku accept Medicare?
- Stephen Ku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ku's NPI active?
- Yes — Stephen Ku's NPI (1841687647) is active in the NPPES registry as of the last update on 2020-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.