NPPES file of Aug 9, 2026

Shannon Holmes Gilliard, PSY.D.

School Psychologist · Adelphi, MD

Shannon Holmes Gilliard, PSY.D. is a school psychologist with a practice address in Adelphi, Maryland, and NPI 1992686851, issued on Sep 9, 2025. Check the license (Maryland 1001528406, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992686851
Name
Shannon Holmes Gilliard
Credential
PSY.D.
Primary taxonomy
School Psychologist 103TS0200X
License number
1001528406 MD
Self-reported in NPPES; status is on the state search
Practice location
8908 Riggs RD, Adelphi, MD 20783
Phone
(301) 431-5630
Enumerated
Sep 9, 2025
Record last updated
Sep 9, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8908 Riggs RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paula AdairCognitive & Behavioral Psychologist1922989227
  2. Enid Amos, MA, NCSPSchool Psychologist1750205290
  3. Julia BlancoSocial Worker1760027775
  4. Jennifer Bruce, PSY.S., NCSPSchool Psychologist1336029792
  5. Louise BuchenhorstPsychologist1699640748
  6. John DarpinoPsychologist1376424119

Verify Shannon Holmes Gilliard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 1001528406
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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22 school psychologist records list a practice address in Adelphi

They are 22 of the 280 NPPES records with a practice address in Adelphi, and 745 school psychologist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other school psychologist records in Maryland

  1. Kelsey Abbott, PHD, NCSPAnnapolis, MD1194546861
  2. Marwa AbdelrahmanRockville, MD1962297747
  3. Sarah AckleyPrince Frederick, MD1255076170
  4. Katelynn Adams, MA, CAS, NCSPBaltimore, MD1669296497
  5. Nathan AdamsBethesda, MD1083429187
  6. Monica Addison-Walker, PSY.D.Towson, MD1265248470
  7. Sandra Aguirre, ED.S.Baltimore, MD1598572331
  8. Cynthia AlamBaltimore, MD1821812850
  9. Halimatu AlhassanColumbia, MD1497343313
  10. Moona Alidoost, PH.D.Towson, MD1083421408

Common questions

What is Shannon Holmes Gilliard, PSY.D.'s NPI number?

Shannon Holmes Gilliard, PSY.D.'s National Provider Identifier (NPI) is 1992686851, issued on Sep 9, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Holmes Gilliard, PSY.D. located?

The NPPES record lists a practice address at 8908 Riggs RD, Adelphi, MD, 20783. Phone: (301) 431-5630. Providers update this record themselves, so call before visiting.

How can I verify Shannon Holmes Gilliard, PSY.D.'s license?

NPPES lists Maryland license number 1001528406, as entered by the provider. Search the Maryland 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.