Provider Profile
Kelli Mastellon, LMSW
Unclaimed ProfileAbout Kelli Mastellon
Listed in the NPI registry as a clinical social worker, Kelli Mastellon, LMSW practices in Seaford, NY. NPI 1851560338 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (516) 221-3030
- Email not available
Practice Locations
2146 JACKSON AVE
Seaford, NY 11783
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 4 related providers in 1 group
Common questions
What does Kelli Mastellon specialize in?
Kelli Mastellon is a clinical social worker in Seaford, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Kelli Mastellon located?
Kelli Mastellon is listed at 2146 Jackson Ave, Seaford, NY 11783. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Kelli Mastellon's phone number?
The number on file is (516) 221-3030. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Kelli Mastellon's NPI number?
Kelli Mastellon's National Provider Identifier is 1851560338. 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 long has Kelli Mastellon been practicing?
Kelli Mastellon has 18+ years experience. Registered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Kelli Mastellon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kelli Mastellon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.