IndividualActive
William Larson, MD
NPI 1083697635 · Ophthalmology Physician · Tualatin, OR
William Larson, MD is a Ophthalmology Physician provider in Tualatin, OR (NPI 1083697635).
Provider details
- NPI number
- 1083697635
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD10715 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
19250 Sw 65th Ave
Ste 215
Tualatin, OR 97062-7452
Phone: (503) 692-3630
Fax: (503) 692-3420
Street-level locationGet directions
Mailing address
6420 Sw Macadam Ave
Portland, OR 97239-3507
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2013-05-29
Frequently asked questions
- What is William Larson's NPI number?
- William Larson's National Provider Identifier (NPI) is 1083697635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Larson's specialty?
- William Larson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Larson located?
- William Larson's practice location on file with NPPES is 19250 Sw 65th Ave, Tualatin, OR 97062-7452.
- What is William Larson's phone number?
- The practice phone number listed in the NPPES registry for William Larson is (503) 692-3630.
- Is William Larson's NPI active?
- Yes — William Larson's NPI (1083697635) is active in the NPPES registry as of the last update on 2013-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.