William Riley
NPI 1801027107 · Physical Therapy Assistant · Arlington, VA
William Riley is a Physical Therapy Assistant provider in Arlington, VA (NPI 1801027107).
Provider details
- NPI number
- 1801027107
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 2306001750 (VA)
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
16 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
- 2009-08-04
- Last updated
- 2009-08-04
Frequently asked questions
- What is William Riley's NPI number?
- William Riley's National Provider Identifier (NPI) is 1801027107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Riley's specialty?
- William Riley is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Riley located?
- William Riley's practice location on file with NPPES is 3821 Wilson Blvd, Arlington, VA 22203-1981.
- What is William Riley's phone number?
- The practice phone number listed in the NPPES registry for William Riley is (703) 294-6875.
- Is William Riley's NPI active?
- Yes — William Riley's NPI (1801027107) is active in the NPPES registry as of the last update on 2009-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.