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Shannon Gilliard, PSY.D.
NPI 1992686851 · School Psychologist · Adelphi, MD
Shannon Gilliard, PSY.D. is a School Psychologist provider in Adelphi, MD (NPI 1992686851).
Provider details
- NPI number
- 1992686851
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1001528406 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
8908 Riggs Rd
Adelphi, MD 20783-1632
Phone: (301) 431-5630
Street-level locationGet directions
Mailing address
8908 Riggs Rd
Adelphi, MD 20783-1632
Registry dates
- Enumerated
- 2025-09-09
- Last updated
- 2025-09-09
- Certified
- 2025-09-09
Frequently asked questions
- What is Shannon Gilliard's NPI number?
- Shannon Gilliard's National Provider Identifier (NPI) is 1992686851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Gilliard's specialty?
- Shannon Gilliard is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Shannon Gilliard located?
- Shannon Gilliard's practice location on file with NPPES is 8908 Riggs Rd, Adelphi, MD 20783-1632.
- What is Shannon Gilliard's phone number?
- The practice phone number listed in the NPPES registry for Shannon Gilliard is (301) 431-5630.
- Is Shannon Gilliard's NPI active?
- Yes — Shannon Gilliard's NPI (1992686851) is active in the NPPES registry as of the last update on 2025-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.