Guo Hui Gan, DO
NPI 1689218117 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guo Hui Gan, DO is a Internal Medicine Physician provider in Portland, OR (NPI 1689218117).
Provider details
- NPI number
- 1689218117
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- PG219923 (OR)
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
6 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
- 2019-10-28
- Last updated
- 2024-08-01
- Certified
- 2024-07-31
Frequently asked questions
- What is Guo Hui Gan's NPI number?
- Guo Hui Gan's National Provider Identifier (NPI) is 1689218117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guo Hui Gan's specialty?
- Guo Hui Gan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guo Hui Gan located?
- Guo Hui Gan's practice location on file with NPPES is 5050 Ne Hoyt St Ste 540, Portland, OR 97213-2985.
- What is Guo Hui Gan's phone number?
- The practice phone number listed in the NPPES registry for Guo Hui Gan is (503) 215-6600.
- Does Guo Hui Gan accept Medicare?
- Guo Hui Gan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guo Hui Gan's NPI active?
- Yes — Guo Hui Gan's NPI (1689218117) is active in the NPPES registry as of the last update on 2024-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.