John Williams
NPI 1659771269 · Physical Therapy Assistant · Silver Spring, MD
John Williams is a Physical Therapy Assistant provider in Silver Spring, MD (NPI 1659771269).
Provider details
- NPI number
- 1659771269
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- A4164 (MD)
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
11 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
- 2014-09-02
- Last updated
- 2014-09-02
Frequently asked questions
- What is John Williams's NPI number?
- John Williams's National Provider Identifier (NPI) is 1659771269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williams's specialty?
- John Williams is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Williams located?
- John Williams's practice location on file with NPPES is 3700 International Dr, Silver Spring, MD 20906-1501.
- What is John Williams's phone number?
- The practice phone number listed in the NPPES registry for John Williams is (301) 438-3023.
- Is John Williams's NPI active?
- Yes — John Williams's NPI (1659771269) is active in the NPPES registry as of the last update on 2014-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.