Roger Grannum DDS, P.C.
NPI 1568600757 · Oral and Maxillofacial Surgery (Dentist) · Brooklyn, NY
Roger Grannum DDS, P.C. is a Oral and Maxillofacial Surgery (Dentist) organization in Brooklyn, NY (NPI 1568600757).
Provider details
- NPI number
- 1568600757
- Entity type
- Organization
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Organization subpart
- No
- Authorized official
- Roger Grannum, Chief Executive Officer(917) 816-0481
- License
- 052633 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-27
- Last updated
- 2011-09-29
Frequently asked questions
- What is Roger Grannum DDS, P.C.'s NPI number?
- Roger Grannum DDS, P.C.'s National Provider Identifier (NPI) is 1568600757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Roger Grannum DDS, P.C.?
- Roger Grannum DDS, P.C. is classified in the NPPES registry as Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Roger Grannum DDS, P.C. located?
- Roger Grannum DDS, P.C.'s practice location on file with NPPES is 730 Broadway, Brooklyn, NY 11206-4403.
- What is Roger Grannum DDS, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Roger Grannum DDS, P.C. is (917) 816-0481.
- Who is the authorized official for Roger Grannum DDS, P.C.?
- The authorized official listed on Roger Grannum DDS, P.C.'s NPPES record is Roger Grannum, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Roger Grannum DDS, P.C.'s NPI active?
- Yes — Roger Grannum DDS, P.C.'s NPI (1568600757) is active in the NPPES registry as of the last update on 2011-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.