IndividualActive
Thomas Simpson, PH.D.
NPI 1699784843 · Clinical Psychologist · Reston, VA
Thomas Simpson, PH.D. is a Clinical Psychologist provider in Reston, VA (NPI 1699784843).
Provider details
- NPI number
- 1699784843
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0810000913 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
11363 Sunset Hills Rd
Reston, VA 20190-5205
Phone: (703) 435-7063
Fax: (703) 437-1908
Street-level locationGet directions
Mailing address
11363 Sunset Hills Rd
Reston, VA 20190-5205
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Simpson's NPI number?
- Thomas Simpson's National Provider Identifier (NPI) is 1699784843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Simpson's specialty?
- Thomas Simpson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Simpson located?
- Thomas Simpson's practice location on file with NPPES is 11363 Sunset Hills Rd, Reston, VA 20190-5205.
- What is Thomas Simpson's phone number?
- The practice phone number listed in the NPPES registry for Thomas Simpson is (703) 435-7063.
- Is Thomas Simpson's NPI active?
- Yes — Thomas Simpson's NPI (1699784843) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.