Physician Profile
Leonard Kessler, MD
Unclaimed ProfileAbout Dr. Kessler
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (516) 536-1455
- Email not available
Practice Locations
242 MERRICK RD SUITE 301
Rockville Centre, NY 11570
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 cancer specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 1 related provider in 1 group
Common questions
What is Dr. Kessler's specialty?
Dr. Kessler is a cancer specialist in Rockville Centre, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Hematology & Oncology”.
NPI registry
Where can I find Dr. Kessler?
Dr. Kessler is listed at 242 MERRICK RD SUITE 301, Rockville Centre, NY 11570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kessler?
The number on file is (516) 536-1455. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Kessler?
Dr. Kessler's National Provider Identifier is 1942209135. 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 Dr. Kessler have?
Dr. Kessler has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Kessler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kessler. 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.