Sen Sen Liu, MD
NPI 1649763590 · Psychiatry Physician · Kirkland, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sen Sen Liu, MD is a Psychiatry Physician provider in Kirkland, WA (NPI 1649763590).
Provider details
- NPI number
- 1649763590
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MT216158 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 100 E Lehigh Ave Ste 305Philadelphia, PA 19125-1012Phone: (215) 707-1200
- 230 N Broad StPhiladelphia, PA 19102Phone: (215) 762-7000
Registry dates
- Enumerated
- 2018-06-14
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Sen Sen Liu's NPI number?
- Sen Sen Liu's National Provider Identifier (NPI) is 1649763590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sen Sen Liu's specialty?
- Sen Sen Liu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sen Sen Liu located?
- Sen Sen Liu's practice location on file with NPPES is 4030 Lake Washington Blvd Ne Ste 303, Kirkland, WA 98033-7870.
- What is Sen Sen Liu's phone number?
- The practice phone number listed in the NPPES registry for Sen Sen Liu is (425) 409-6414.
- Does Sen Sen Liu accept Medicare?
- Sen Sen Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sen Sen Liu's NPI active?
- Yes — Sen Sen Liu's NPI (1649763590) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.