William Johnson
NPI 1093375057 · Occupational Therapy Assistant · Manassas, VA
William Johnson is a Occupational Therapy Assistant provider in Manassas, VA (NPI 1093375057).
Provider details
- NPI number
- 1093375057
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
7 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
- 2019-06-20
- Last updated
- 2019-06-20
Frequently asked questions
- What is William Johnson's NPI number?
- William Johnson's National Provider Identifier (NPI) is 1093375057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnson's specialty?
- William Johnson is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Johnson located?
- William Johnson's practice location on file with NPPES is 8605 Centreville Rd, Manassas, VA 20110-5265.
- What is William Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Johnson is (703) 257-0935.
- Is William Johnson's NPI active?
- Yes — William Johnson's NPI (1093375057) is active in the NPPES registry as of the last update on 2019-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.