John Ball, PH.D.
NPI 1568433365 · Clinical Neuropsychologist · Norfolk, VA
John Ball, PH.D. is a Clinical Neuropsychologist provider in Norfolk, VA (NPI 1568433365).
Provider details
- NPI number
- 1568433365
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0810000976 (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
- 2006-01-30
- Last updated
- 2015-09-16
Frequently asked questions
- What is John Ball's NPI number?
- John Ball's National Provider Identifier (NPI) is 1568433365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ball's specialty?
- John Ball is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is John Ball located?
- John Ball's practice location on file with NPPES is 721 Fairfax Ave, Norfolk, VA 23507-2007.
- What is John Ball's phone number?
- The practice phone number listed in the NPPES registry for John Ball is (757) 446-8400.
- Is John Ball's NPI active?
- Yes — John Ball's NPI (1568433365) is active in the NPPES registry as of the last update on 2015-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.