William Dillon
NPI 1528615655 · Physical Therapy Assistant · Yountville, CA
William Dillon is a Physical Therapy Assistant provider in Yountville, CA (NPI 1528615655).
Provider details
- NPI number
- 1528615655
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 50131 (CA)
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
6 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
- 2019-08-22
- Last updated
- 2019-08-22
Frequently asked questions
- What is William Dillon's NPI number?
- William Dillon's National Provider Identifier (NPI) is 1528615655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dillon's specialty?
- William Dillon is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Dillon located?
- William Dillon's practice location on file with NPPES is 100 California Dr, Yountville, CA 94599-1411.
- What is William Dillon's phone number?
- The practice phone number listed in the NPPES registry for William Dillon is (619) 972-3800.
- Is William Dillon's NPI active?
- Yes — William Dillon's NPI (1528615655) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.