William Ling, PH.D.
NPI 1558361857 · Clinical Neuropsychologist · Reston, VA
William Ling, PH.D. is a Clinical Neuropsychologist provider in Reston, VA (NPI 1558361857).
Provider details
- NPI number
- 1558361857
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0810002048 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-07-28
- Last updated
- 2008-08-12
Frequently asked questions
- What is William Ling's NPI number?
- William Ling's National Provider Identifier (NPI) is 1558361857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ling's specialty?
- William Ling is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is William Ling located?
- William Ling's practice location on file with NPPES is 1900 Campus Commons Drive, Ste 100, Reston, VA 20191.
- What is William Ling's phone number?
- The practice phone number listed in the NPPES registry for William Ling is (703) 597-8920.
- Is William Ling's NPI active?
- Yes — William Ling's NPI (1558361857) is active in the NPPES registry as of the last update on 2008-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.