Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jeanne Lauer Williams, PSYD
Psychologist in Chelsea, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669453833
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Registry record
Entity type Individual (Type 1)
Name Dr. Jeanne Lauer Williams
Credential PSYD
Sex Female
Practice address 151 Everett Ave, Mgh Chelsea Healthcare Ctr, Chelsea, MA, 02150
Phone (617) 889-8515
Enumeration date Nov 7, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Jeanne Williams?
Jeanne Williams is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.