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Edit this profileAt a glance
- 353 Veterans Memorial Hwy Ste 101, Commack, NY 11725
About Alyssa Brennan
Alyssa M. Brennan practices dermatology in Commack, NY. The provider's National Provider Identifier (NPI) is 1487254090.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 543-4888
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
353 VETERANS MEMORIAL HWY STE 101
Commack, NY 11725
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 dermatologists at this location 2
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 Alyssa M. Brennan specialize in?
Alyssa M. Brennan is a dermatologist (skin doctor) in Commack, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Alyssa M. Brennan located?
Alyssa M. Brennan is listed at 353 Veterans Memorial Hwy Ste 101, Commack, NY 11725. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alyssa M. Brennan's phone number?
The number on file is (631) 543-4888. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alyssa M. Brennan's NPI number?
Alyssa M. Brennan's National Provider Identifier is 1487254090. 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 Alyssa M. Brennan been practicing?
Alyssa M. Brennan has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Alyssa M. Brennan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alyssa M. Brennan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.