Sally Singer Horwatt, PH.D.
Clinical Psychologist · Reston, VA
Sally Singer Horwatt, PH.D. is a clinical psychologist with a practice address in Reston, Virginia, and NPI 1609945583, issued on Nov 7, 2006. Check the license (Virginia 0810000918, as entered in NPPES) with the Virginia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sally Singer Horwatt
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 0810000918 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Town Center Dr, Reston, VA 20190
- Phone
- (703) 435-4741
- Enumerated
- Nov 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (703) 435-5881
- Entity
- Type 1 · individual
Also registered at 1800 Town Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David CranfordClinical Psychologist1871922492
- Sarah Donovan, PA-CPhysician Assistant1730168899
Verify Sally Singer Horwatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0810000918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47 clinical psychologist records list a practice address in Reston
They are 47 of the 1,676 NPPES records with a practice address in Reston, and 2,329 clinical psychologist records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 47 in Reston → All 2,329 in Virginia → Every provider in Reston →
Other clinical psychologist records in Virginia
- Jeffrey Aaron, PH.D.Charlottesville, VA1669558953
- Sarah Abdel-Wahab, PSYDFairfax, VA1760956163
- Diane Abdo, PSYDWilliamsburg, VA1538250931
- Eva Abel, PSY.D.Williamsburg, VA1598921298
- Dylan Abrams, PHDCharlottesville, VA1447036868
- Azhar Abu-Ali, PH.DFalls Church, VA1528145547
- Mona Abuhamda, MONA ABUHAMDAMc Lean, VA1962732289
- Leah Adams, PHDFairfax, VA1144076753
- Shannon Adcock, PH.D., H.S.P.Fairfax, VA1326663246
- Jamie Adler, PH.D.Fairfax, VA1790888337
Common questions
What is Sally Singer Horwatt, PH.D.'s NPI number?
Sally Singer Horwatt, PH.D.'s National Provider Identifier (NPI) is 1609945583, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sally Singer Horwatt, PH.D. located?
The NPPES record lists a practice address at 1800 Town Center Dr, Reston, VA, 20190. Phone: (703) 435-4741. Providers update this record themselves, so call before visiting.
How can I verify Sally Singer Horwatt, PH.D.'s license?
NPPES lists Virginia license number 0810000918, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.