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John Loeser
NPI 1770668584 · Neurological Surgery Physician · Seattle, WA
John Loeser is a Neurological Surgery Physician provider in Seattle, WA (NPI 1770668584).
Provider details
- NPI number
- 1770668584
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD00009034 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
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
University of Washington Medical Ctr
1959 Ne Pacific St
Seattle, WA 98195-6470
Phone: (206) 598-5637
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 50095
Seattle, WA 98145-5095
Registry dates
- Enumerated
- 2006-10-27
- Last updated
- 2012-12-31
Frequently asked questions
- What is John Loeser's NPI number?
- John Loeser's National Provider Identifier (NPI) is 1770668584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Loeser's specialty?
- John Loeser is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Loeser located?
- John Loeser's practice location on file with NPPES is University of Washington Medical Ctr, Seattle, WA 98195-6470.
- What is John Loeser's phone number?
- The practice phone number listed in the NPPES registry for John Loeser is (206) 598-5637.
- Is John Loeser's NPI active?
- Yes — John Loeser's NPI (1770668584) is active in the NPPES registry as of the last update on 2012-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.