Provider Profile
Eliza L. O'Brien, LICSW
Unclaimed ProfileAbout Eliza O'brien
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (617) 780-9510
- Email not available
Practice Locations
139 BILLERICA RD UNIT A-1
Chelmsford, MA 01824
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other clinical social workers at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Eliza L. O'Brien specialize in?
Eliza L. O'Brien is a clinical social worker in Chelmsford, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Eliza L. O'Brien located?
Eliza L. O'Brien is listed at 139 Billerica Rd Unit A-1, Chelmsford, MA 01824. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Eliza L. O'Brien's phone number?
The number on file is (617) 780-9510. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Eliza L. O'Brien?
Eliza L. O'Brien's National Provider Identifier is 1669807459. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Eliza L. O'Brien have?
Eliza L. O'Brien has 13+ years experience. Registered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Eliza L. O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Eliza L. O'Brien. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.