IndividualActive
Sally Horwatt, PH.D.
NPI 1609945583 · Clinical Psychologist · Reston, VA
Sally Horwatt, PH.D. is a Clinical Psychologist provider in Reston, VA (NPI 1609945583).
Provider details
- NPI number
- 1609945583
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810000918 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
1800 Town Center Dr
Suite 216
Reston, VA 20190-3238
Phone: (703) 435-4741
Fax: (703) 435-5881
Street-level locationGet directions
Mailing address
1800 Town Center Drive
Reston, VA 20190-3238
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sally Horwatt's NPI number?
- Sally Horwatt's National Provider Identifier (NPI) is 1609945583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sally Horwatt's specialty?
- Sally Horwatt is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Sally Horwatt located?
- Sally Horwatt's practice location on file with NPPES is 1800 Town Center Dr, Reston, VA 20190-3238.
- What is Sally Horwatt's phone number?
- The practice phone number listed in the NPPES registry for Sally Horwatt is (703) 435-4741.
- Is Sally Horwatt's NPI active?
- Yes — Sally Horwatt's NPI (1609945583) 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.