Leewen Liu.md. Inc.
NPI 1548436868 · Internal Medicine Physician · Saratoga, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leewen Liu.md. Inc. is a Internal Medicine Physician organization in Saratoga, CA (NPI 1548436868).
Provider details
- NPI number
- 1548436868
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leewen Liu, MD(408) 973-8861
- License
- G080609 (CA)
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
18 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
- 2008-05-06
- Last updated
- 2008-05-06
Frequently asked questions
- What is Leewen Liu.md. Inc.'s NPI number?
- Leewen Liu.md. Inc.'s National Provider Identifier (NPI) is 1548436868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leewen Liu.md. Inc.?
- Leewen Liu.md. Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leewen Liu.md. Inc. located?
- Leewen Liu.md. Inc.'s practice location on file with NPPES is 19040 Cox Ave, Saratoga, CA 95070-6601.
- What is Leewen Liu.md. Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Leewen Liu.md. Inc. is (408) 973-8861.
- Does Leewen Liu.md. Inc. accept Medicare?
- Leewen Liu.md. Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Leewen Liu.md. Inc.?
- The authorized official listed on Leewen Liu.md. Inc.'s NPPES record is Leewen Liu, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leewen Liu.md. Inc.'s NPI active?
- Yes — Leewen Liu.md. Inc.'s NPI (1548436868) is active in the NPPES registry as of the last update on 2008-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.