Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Elizabeth O'Meara Merlo
Social Worker in Timonium, MD · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558098657
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Registry record
Entity type Individual (Type 1)
Name Elizabeth O'Meara Merlo
Sex Female
Practice address 1954 Greenspring Dr Ste 530, Timonium, MD, 21093
Phone (240) 441-9858
Enumeration date Aug 8, 2022
Last updated in NPPES Aug 8, 2022
Taxonomy & licenses
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
Where does Elizabeth Merlo practice?
The practice location on file with NPPES is in Timonium, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Elizabeth Merlo?
The National Provider Identifier (NPI) for Elizabeth Merlo is 1558098657, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-08.