Implant SpecialistFinder

Robert Gellin, DMD, MHS

Periodontist in Charleston, SC

Registered specialistLicense # listed (SC)

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Public-record details

Address
173 Ashley Ave, Dental Faculty Practice, Bsb Room 346, Charleston, SC 29425
Phone
(843) 792-3444
Listed under
Periodontists
NPI
1104989847
NPI status
Active in the NPPES registry
Provider type
Individual provider
Registered specialty (self-reported taxonomy)
Periodontics (1223P0300X)
Credentials listed
DMD, MHS
License number on NPI record
345 (SC)
NPI first issued
Dec 17, 2006
NPI record last updated
Sep 11, 2025

NPI 1104989847 is active in the federal NPPES registry (CMS) with Periodontics, an ADA-recognized dental specialty, as its primary taxonomy; license 345 (SC) is listed on the record. Source: NPPES NPI Registry (CMS) (record). Data as of 2026-09-30.

What these registry facts mean

The NPI (National Provider Identifier) is the federal ID every HIPAA-covered provider uses to bill insurance. This NPI belongs to an individual clinician. The specialty is the taxonomy the provider chose when registering; NPPES does not check it. A license number here is what the provider entered — confirm it with the state board before you rely on it. Periodontists specialize in the gums and bone that support the teeth, including placing implants, gum and bone grafting, and treating gum disease. Dentists who are not specialists can also place implants; the specialty here is the one the provider registered as primary.

View NPI 1104989847 in the official registry ↗

Checking credentials: the specialty shown is the one this provider registered with the NPI system. Your state dental board's license lookup confirms the license, and the American Board of Prosthodontics, the American Board of Oral and Maxillofacial Surgery and the American Board of Periodontology each list their board-certified members.

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