IndividualActive
James Siddall, PHD
NPI 1891288502 · School Psychologist · Arlington, VA
James Siddall, PHD is a School Psychologist provider in Arlington, VA (NPI 1891288502).
Provider details
- NPI number
- 1891288502
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 0813000965 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1301 N Stafford St
Arlington, VA 22201-4840
Phone: (703) 228-2683
Street-level locationGet directions
Mailing address
2110 Washington Blvd
Arlington, VA 22204-5719
Registry dates
- Enumerated
- 2018-06-08
- Last updated
- 2018-06-08
Frequently asked questions
- What is James Siddall's NPI number?
- James Siddall's National Provider Identifier (NPI) is 1891288502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Siddall's specialty?
- James Siddall is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is James Siddall located?
- James Siddall's practice location on file with NPPES is 1301 N Stafford St, Arlington, VA 22201-4840.
- What is James Siddall's phone number?
- The practice phone number listed in the NPPES registry for James Siddall is (703) 228-2683.
- Is James Siddall's NPI active?
- Yes — James Siddall's NPI (1891288502) is active in the NPPES registry as of the last update on 2018-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.