William Keyser
NPI 1912328311 · Occupational Therapy Assistant · Walla Walla, WA
William Keyser is a Occupational Therapy Assistant provider in Walla Walla, WA (NPI 1912328311).
Provider details
- NPI number
- 1912328311
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- OC60127045 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-01-02
- Last updated
- 2014-01-02
Frequently asked questions
- What is William Keyser's NPI number?
- William Keyser's National Provider Identifier (NPI) is 1912328311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Keyser's specialty?
- William Keyser is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Keyser located?
- William Keyser's practice location on file with NPPES is 534 Boyer Ave, Walla Walla, WA 99362-2047.
- What is William Keyser's phone number?
- The practice phone number listed in the NPPES registry for William Keyser is (509) 525-6463.
- Is William Keyser's NPI active?
- Yes — William Keyser's NPI (1912328311) is active in the NPPES registry as of the last update on 2014-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.