Carolyn Liu, MD
NPI 1619039401 · Internal Medicine Physician · Sammamish, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Liu, MD is a Internal Medicine Physician provider in Sammamish, WA (NPI 1619039401).
Provider details
- NPI number
- 1619039401
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00043607 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 12917 Se 38th St Ste 100Bellevue, WA 98006-1349Phone: (425) 641-4000Fax: (206) 320-5845
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2021-05-24
- Certified
- 2021-05-24
Frequently asked questions
- What is Carolyn Liu's NPI number?
- Carolyn Liu's National Provider Identifier (NPI) is 1619039401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Liu's specialty?
- Carolyn Liu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Liu located?
- Carolyn Liu's practice location on file with NPPES is 22707 Se 29th St, Sammamish, WA 98075-9532.
- What is Carolyn Liu's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Liu is (425) 455-2845.
- Does Carolyn Liu accept Medicare?
- Carolyn Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Liu's NPI active?
- Yes — Carolyn Liu's NPI (1619039401) is active in the NPPES registry as of the last update on 2021-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.