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Sue Masten, M.D.
NPI 1225377369 · Internal Medicine Physician · Seattle, WA
Sue Masten, M.D. is a Internal Medicine Physician provider in Seattle, WA (NPI 1225377369).
Provider details
- NPI number
- 1225377369
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD00027009 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
3101 Western Ave Ste 600
Seattle, WA 98121-3047
Phone: (206) 696-4680
Fax: (206) 937-2629
Street-level locationGet directions
Mailing address
10453 Maplewood Pl Sw
Seattle, WA 98146-1076
Registry dates
- Enumerated
- 2013-02-09
- Last updated
- 2013-02-09
Frequently asked questions
- What is Sue Masten's NPI number?
- Sue Masten's National Provider Identifier (NPI) is 1225377369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sue Masten's specialty?
- Sue Masten is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sue Masten located?
- Sue Masten's practice location on file with NPPES is 3101 Western Ave Ste 600, Seattle, WA 98121-3047.
- What is Sue Masten's phone number?
- The practice phone number listed in the NPPES registry for Sue Masten is (206) 696-4680.
- Is Sue Masten's NPI active?
- Yes — Sue Masten's NPI (1225377369) is active in the NPPES registry as of the last update on 2013-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.