Provider Profile
Mark William Knakal, D.D.S.
Unclaimed ProfileAbout Dr. Knakal
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (631) 751-6700
- Email not available
Practice Locations
3400 NESCONSET HWY STE 109
East Setauket, NY 11733
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 periodonticses at this location 1
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 Dr. Knakal specialize in?
Dr. Knakal is a periodontics in East Setauket, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Periodontics”.
NPI registry
Where is Dr. Knakal located?
Dr. Knakal is listed at 3400 NESCONSET HWY STE 109, East Setauket, NY 11733. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Knakal's phone number?
The number on file is (631) 751-6700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Knakal's NPI number?
Dr. Knakal's National Provider Identifier is 1689895054. 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 Dr. Knakal been practicing?
Dr. Knakal has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Knakal confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knakal. 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.