Alvin Yiu, MD
NPI 1285298828 · Internal Medicine Physician · Apo
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alvin Yiu, MD is a Internal Medicine Physician provider in Apo (NPI 1285298828).
Provider details
- NPI number
- 1285298828
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
67% 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
- 2019-04-29
- Last updated
- 2022-06-30
- Certified
- 2022-06-21
Frequently asked questions
- What is Alvin Yiu's NPI number?
- Alvin Yiu's National Provider Identifier (NPI) is 1285298828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alvin Yiu's specialty?
- Alvin Yiu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alvin Yiu located?
- Alvin Yiu's practice location on file with NPPES is Brian D. Allgood Army Community Hospital (bdaach), Apo, 96271.
- What is Alvin Yiu's phone number?
- The practice phone number listed in the NPPES registry for Alvin Yiu is (808) 673-6544.
- Does Alvin Yiu accept Medicare?
- Alvin Yiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alvin Yiu's NPI active?
- Yes — Alvin Yiu's NPI (1285298828) is active in the NPPES registry as of the last update on 2022-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.