Alexander Yu, MD
NPI 1144554098 · Internal Medicine Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Yu, MD is a Internal Medicine Physician provider in Redwood City, CA (NPI 1144554098).
Provider details
- NPI number
- 1144554098
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A108969 (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
16 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
- 2009-09-24
- Last updated
- 2022-02-11
Frequently asked questions
- What is Alexander Yu's NPI number?
- Alexander Yu's National Provider Identifier (NPI) is 1144554098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Yu's specialty?
- Alexander Yu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Yu located?
- Alexander Yu's practice location on file with NPPES is 1150 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Alexander Yu's phone number?
- The practice phone number listed in the NPPES registry for Alexander Yu is (650) 299-3671.
- Does Alexander Yu accept Medicare?
- Alexander Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Yu's NPI active?
- Yes — Alexander Yu's NPI (1144554098) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.