Willaim Allen Decker, PH. D.
Cognitive & Behavioral Psychologist · Alexandria, VA
Willaim Allen Decker, PH. D. is a cognitive & behavioral psychologist with a practice address in Alexandria, Virginia, and NPI 1033234950, issued on Mar 20, 2007. Check the license (Virginia 0810002331, 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
- Willaim Allen Decker
- Credential
- PH. D.
- Primary taxonomy
- Cognitive & Behavioral Psychologist 103TB0200X
- License number
- 0810002331 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1423 Powhatan St, Alexandria, VA 22314
- Phone
- (703) 836-3678
- Enumerated
- Mar 20, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (703) 836-2667
- Medicare enrollment
- Enrolled (PECOS I20100202000101); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1423 Powhatan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Hankins, L.C.S.WClinical Social Worker1831178532
- Joseph Henderson, DCChiropractor1538292610
Verify Willaim Allen Decker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0810002331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Cognitive & Behavioral Psychologist providers in Virginia
There are 17 cognitive & behavioral psychologist records in Virginia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other cognitive & behavioral psychologist records in Virginia
- Adrianna Arcuri, PSYDArlington, VA1447865167
- Sharonda AveryStafford, VA1023441318
- Lisa Breslin, PHDArlington, VA1902318496
- Debra Brown, PSY.DPoquoson, VA1831524222
- Steven Dixon, PSY.D.Richmond, VA1366478463
- Syeda Fizza FatimaAshburn, VA1720750821
- Emi Furukawa, PH.DFalls Church, VA1003993130
- Christie Hill, PH.D.Petersburg, VA1518318120
- David Israel, PHDRichmond, VA1861404881
- Ally MarcusSpotsylvania, VA1689456394
Common questions
What is Willaim Allen Decker, PH. D.'s NPI number?
Willaim Allen Decker, PH. D.'s National Provider Identifier (NPI) is 1033234950, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Willaim Allen Decker, PH. D. located?
The NPPES record lists a practice address at 1423 Powhatan St, Alexandria, VA, 22314. Phone: (703) 836-3678. Providers update this record themselves, so call before visiting.
How can I verify Willaim Allen Decker, PH. D.'s license?
NPPES lists Virginia license number 0810002331, 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.