Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Shari Jill Pfeffer, LCSW
Psychologist in Fairfax, VA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659449072
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Registry record
Entity type Individual (Type 1)
Name Ms. Shari Jill Pfeffer
Credential LCSW
Sex Female
Practice address 8550 Lee Highway, Fairfax, VA, 22031
Phone (703) 207-2831
Fax (703) 207-2838
Enumeration date Dec 1, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 0904006136 (VA) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Shari Pfeffer?
The National Provider Identifier (NPI) for Shari Pfeffer is 1659449072, a Type 1 (individual) record in the CMS NPPES registry.
Where does Shari Pfeffer practice?
The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Sandra Mansfield Clinical Social Worker · Fairfax, VA NPI 1013082965 Dianna Gibbs Psychologist · Fairfax, VA NPI 1679641088 Lisa Layman Psychologist · Fairfax, VA NPI 1720148497 Laura Tuttle Psychiatry Physician · Fairfax, VA NPI 1174670616 Asha Patton Smith Psychiatry Physician · Fairfax, VA NPI 1376690818 Katherine Watkins Clinical Social Worker · Fairfax, VA NPI 1174664304 Edward Andrews Addiction (Substance Use Disorder) Counselor · Fairfax, VA NPI 1972620177
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.