Alexander Arnold, M.D.
NPI 1720608235 · Neurology Physician · Seattle, WA
Alexander Arnold, M.D. is a Neurology Physician provider in Seattle, WA (NPI 1720608235).
Provider details
- NPI number
- 1720608235
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- 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
6 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
- 2020-04-24
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Alexander Arnold's NPI number?
- Alexander Arnold's National Provider Identifier (NPI) is 1720608235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Arnold's specialty?
- Alexander Arnold is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Arnold located?
- Alexander Arnold's practice location on file with NPPES is 1959 Ne Pacific St, Rr650,, Seattle, WA 98195.
- What is Alexander Arnold's phone number?
- The practice phone number listed in the NPPES registry for Alexander Arnold is (206) 543-2340.
- Is Alexander Arnold's NPI active?
- Yes — Alexander Arnold's NPI (1720608235) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.