Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John B, Fontana, III, DMD, MS, LLC

Organization Periodontics · NPI 1720420532

John B, Fontana, III, DMD, MS, LLC provides Periodontics in Dover, Delaware. Licensed in Delaware. Registered with an NPI since 2013.

Licensed in
DE
In the registry since
2013
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

910 Walker Rd Ste A
Dover, DE 19904-2759 Not confirmed with CMS for 13 years — call before visiting
Phone: (302) 734-1950
Fax: (302) 734-4097
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence G1-0001312 (DE)

Record details

NPI number1720420532
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Fontana — Manager · (302) 734-1950
NPI enumeratedJuly 22, 2013
Last updated in NPPESJuly 22, 2013
Mailing address910 Walker Rd Ste A, Dover, DE 19904-2759

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