Provider Profile

Roger Grannum, DDS

Unclaimed Profile

About Dr. Grannum

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Specialty

Oral & Maxillofacial Surgery (Dental) (Primary)

Credentials & Licensing

NY license50052633
NPI1003993502
NPI issued11/01/2006

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.

Common questions

What kind of doctor is Dr. Grannum?

Dr. Grannum is an oral & maxillofacial surgery (dental) in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Dr. Grannum's address?

Dr. Grannum is listed at 760 Broadway Oral Surgery Room 2C320, Brooklyn, NY 11206. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Grannum?

The number on file is (718) 963-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Grannum's NPI number?

Dr. Grannum's National Provider Identifier is 1003993502. 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. Grannum been practicing?

Dr. Grannum has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Grannum confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grannum. 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.