Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Frederick James Mcosker, SOCIAL WORKER, LICSW
Social Worker in Lowell, MA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518554849
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Registry record
Entity type Individual (Type 1)
Name Mr. Frederick James Mcosker
Credential SOCIAL WORKER, LICSW
Sex Male
Practice address 155 Merrimack St, Lowell, MA, 01852
Phone (978) 674-4327
Fax (978) 674-4327
Enumeration date Dec 21, 2020
Last updated in NPPES Dec 21, 2020
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 105912 | Other | MA | SOCIAL WORKER |
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 Frederick Mcosker practice?
The practice location on file with NPPES is in Lowell, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Frederick Mcosker?
The National Provider Identifier (NPI) for Frederick Mcosker is 1518554849, 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 2020-12-21.