Tuan Phan, MD
NPI 1558382150 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tuan Phan, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1558382150).
Provider details
- NPI number
- 1558382150
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A132689 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
4 documented practice locations
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
Additional practice locations (3)
- 4800 Sand Point Way NeM/S R-5438Seattle, WA 98105Phone: (206) 987-2566
- 4800 Sand Point Way NeM/S R-5438Seattle, WA 98105-3901Phone: (206) 987-2566
- 4800 Sand Point Way NeM/S R-5438Seattle, WA 98105-3901Phone: (206) 987-2566
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2021-04-28
- Certified
- 2021-04-28
Frequently asked questions
- What is Tuan Phan's NPI number?
- Tuan Phan's National Provider Identifier (NPI) is 1558382150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tuan Phan's specialty?
- Tuan Phan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tuan Phan located?
- Tuan Phan's practice location on file with NPPES is 201 16th Ave E, Seattle, WA 98112-5226.
- What is Tuan Phan's phone number?
- The practice phone number listed in the NPPES registry for Tuan Phan is (206) 326-3000.
- Does Tuan Phan accept Medicare?
- Tuan Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tuan Phan's NPI active?
- Yes — Tuan Phan's NPI (1558382150) is active in the NPPES registry as of the last update on 2021-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.