William Han
NPI 1427990670 · Student in an Organized Health Care Education/Training Program · Oakland, CA
William Han is a Student in an Organized Health Care Education/Training Program provider in Oakland, CA (NPI 1427990670).
Provider details
- NPI number
- 1427990670
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-04-07
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is William Han's NPI number?
- William Han's National Provider Identifier (NPI) is 1427990670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Han's specialty?
- William Han is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is William Han located?
- William Han's practice location on file with NPPES is 350 Hawthorne Ave, Oakland, CA 94609-3108.
- What is William Han's phone number?
- The practice phone number listed in the NPPES registry for William Han is (510) 869-1581.
- Is William Han's NPI active?
- Yes — William Han's NPI (1427990670) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.