Galen Gao
NPI 1336842582 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Galen Gao is a Internal Medicine Physician provider in Seattle, WA (NPI 1336842582).
Provider details
- NPI number
- 1336842582
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- 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
3 yrs in NPPES 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
- 2023-03-27
- Last updated
- 2023-04-07
- Certified
- 2023-04-07
Frequently asked questions
- What is Galen Gao's NPI number?
- Galen Gao's National Provider Identifier (NPI) is 1336842582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Galen Gao's specialty?
- Galen Gao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Galen Gao located?
- Galen Gao's practice location on file with NPPES is 1959 Ne Pacific Street Box : 356421, Seattle, WA 98195-6421.
- What is Galen Gao's phone number?
- The practice phone number listed in the NPPES registry for Galen Gao is (206) 543-3605.
- Does Galen Gao accept Medicare?
- Galen Gao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Galen Gao's NPI active?
- Yes — Galen Gao's NPI (1336842582) is active in the NPPES registry as of the last update on 2023-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.