Provider Profile
Alexander Leffler
Unclaimed ProfileAbout Alexander Leffler
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Education & Training
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.
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
- (212) 632-4400
- Email not available
Practice Locations
1273 53RD ST
Brooklyn, NY 11219
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 social workers 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.
Other social workers in Brooklyn 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Alexander Leffler specialize in?
Alexander Leffler is a social worker in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Alexander Leffler located?
Alexander Leffler is listed at 1273 53Rd St, Brooklyn, NY 11219. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alexander Leffler's phone number?
The number on file is (212) 632-4400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Alexander Leffler's NPI number?
Alexander Leffler's National Provider Identifier is 1255692430. 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
Where did Alexander Leffler train?
Alexander Leffler attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Alexander Leffler been practicing?
Alexander Leffler has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
Has Alexander Leffler confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alexander Leffler. 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.