Walter S. Gilliam, PHD
Clinical Child & Adolescent Psychologist · New Haven, CT
Walter S. Gilliam, PHD is a clinical child & adolescent psychologist with a practice address in New Haven, Connecticut, and NPI 1588623938, issued on Mar 22, 2006. Check the license (Connecticut 002137, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Walter S. Gilliam
- Credential
- PHD
- Primary taxonomy
- Clinical Child & Adolescent Psychologist 103TC2200X
- License number
- 002137 CT
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Avenue, New Haven, CT 06519
- Phone
- (203) 785-2140
- Enumerated
- Mar 22, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (203) 785-6414
- Entity
- Type 1 · individual
Also registered at 800 Howard Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martina Brueckner, MDPediatric Cardiology Physician1124003975
- Kathryn Camizzi, APRNPsychiatric/Mental Health Nurse Practitioner1760466957
- Lloyd Cantley, MDNephrology Physician1578549366
- Patrick Gallagher, MDNeonatal-Perinatal Medicine Physician1649253196
- Calin Gorun-Gorunescu, MDAnesthesiology Physician1003885773
- Ervin Jones, MDReproductive Endocrinology Physician1588647127
Verify Walter S. Gilliam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 002137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Clinical Child & Adolescent Psychologist providers in Connecticut
There are 100 clinical child & adolescent psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other clinical child & adolescent psychologist records in Connecticut
- Jodie Ambrosino, PHDNew Haven, CT1669670915
- Andrew Barile, PSY.D, NCSPGreenwich, CT1780178913
- Kimberly Barton, PH.D.Storrs, CT1922251859
- Jessica Bean, PH.D.Glastonbury, CT1255451134
- Janelle Bessette, PH.D.Ridgefield, CT1497087662
- Jolanta Borto, PSY.D.Fairfield, CT1760607550
- Brianna Brower, PHDNew Haven, CT1174108781
- Whitney Buckley, PSYDFairfield, CT1073127270
- Eliana ButlerHartford, CT1043894751
- Cynthia Cabral, M.A.New Haven, CT1366837411
Common questions
What is Walter S. Gilliam, PHD's NPI number?
Walter S. Gilliam, PHD's National Provider Identifier (NPI) is 1588623938, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter S. Gilliam, PHD located?
The NPPES record lists a practice address at 800 Howard Avenue, New Haven, CT, 06519. Phone: (203) 785-2140. Providers update this record themselves, so call before visiting.
How can I verify Walter S. Gilliam, PHD's license?
NPPES lists Connecticut license number 002137, as entered by the provider. Search the Connecticut 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.