Wiley Chan, MD
NPI 1669588828 · Internal Medicine Physician · Portland, OR
Wiley Chan, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1669588828).
Provider details
- NPI number
- 1669588828
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- OR MD13983 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-08-21
- Last updated
- 2015-08-08
Frequently asked questions
- What is Wiley Chan's NPI number?
- Wiley Chan's National Provider Identifier (NPI) is 1669588828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wiley Chan's specialty?
- Wiley Chan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wiley Chan located?
- Wiley Chan's practice location on file with NPPES is 500 Ne Multnomah St, Portland, OR 97232-2023.
- What is Wiley Chan's phone number?
- The practice phone number listed in the NPPES registry for Wiley Chan is (503) 813-3860.
- Is Wiley Chan's NPI active?
- Yes — Wiley Chan's NPI (1669588828) is active in the NPPES registry as of the last update on 2015-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.