James Papathanasiou, M.D.
NPI 1053300160 · Hospitalist Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Papathanasiou, M.D. is a Hospitalist Physician provider in Seattle, WA (NPI 1053300160).
Provider details
- NPI number
- 1053300160
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00041032 (WA)
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
20 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
- 2005-10-20
- Last updated
- 2022-10-28
- Certified
- 2022-10-28
Frequently asked questions
- What is James Papathanasiou's NPI number?
- James Papathanasiou's National Provider Identifier (NPI) is 1053300160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Papathanasiou's specialty?
- James Papathanasiou is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is James Papathanasiou located?
- James Papathanasiou's practice location on file with NPPES is 1145 Broadway, Seattle, WA 98122-4201.
- What is James Papathanasiou's phone number?
- The practice phone number listed in the NPPES registry for James Papathanasiou is (206) 329-1760.
- Does James Papathanasiou accept Medicare?
- James Papathanasiou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Papathanasiou's NPI active?
- Yes — James Papathanasiou's NPI (1053300160) is active in the NPPES registry as of the last update on 2022-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.