Provider Profile
Donna M. Grennan, SLP
Unclaimed ProfileAbout Donna Grennan
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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
- (516) 396-2900
- Email not available
Practice Locations
2850 N JERUSALEM RD
Wantagh, NY 11793
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 speech therapists at this location 8
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 is Donna M. Grennan's specialty?
Donna M. Grennan is a speech therapist in Wantagh, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Speech-Language Pathologist”.
NPI registry
Where can I find Donna M. Grennan?
Donna M. Grennan is listed at 2850 N Jerusalem Rd, Wantagh, NY 11793. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Donna M. Grennan?
The number on file is (516) 396-2900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Donna M. Grennan's NPI number?
Donna M. Grennan's National Provider Identifier is 1538446836. 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 Donna M. Grennan been practicing?
Donna M. Grennan has 15+ years experience. Registered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Donna M. Grennan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Donna M. Grennan. 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.