OrganizationActive
John B, Fontana, III, DMD, Ms, LLC
NPI 1720420532 · Periodontics · Dover, DE
John B, Fontana, III, DMD, Ms, LLC is a Periodontics organization in Dover, DE (NPI 1720420532).
Provider details
- NPI number
- 1720420532
- Entity type
- Organization
- Primary specialty
- PeriodonticsDental Providers
- Organization subpart
- No
- Authorized official
- John Fontana, Manager(302) 734-1950
- License
- G1-0001312 (DE)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
910 Walker Rd Ste a
Dover, DE 19904-2759
Phone: (302) 734-1950
Fax: (302) 734-4097
Street-level locationGet directions
Mailing address
910 Walker Rd Ste a
Dover, DE 19904-2759
Registry dates
- Enumerated
- 2013-07-22
- Last updated
- 2013-07-22
Frequently asked questions
- What is John B, Fontana, III, DMD, Ms, LLC's NPI number?
- John B, Fontana, III, DMD, Ms, LLC's National Provider Identifier (NPI) is 1720420532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John B, Fontana, III, DMD, Ms, LLC?
- John B, Fontana, III, DMD, Ms, LLC is classified in the NPPES registry as Periodontics (Dental Providers).
- Where is John B, Fontana, III, DMD, Ms, LLC located?
- John B, Fontana, III, DMD, Ms, LLC's practice location on file with NPPES is 910 Walker Rd Ste a, Dover, DE 19904-2759.
- What is John B, Fontana, III, DMD, Ms, LLC's phone number?
- The practice phone number listed in the NPPES registry for John B, Fontana, III, DMD, Ms, LLC is (302) 734-1950.
- Who is the authorized official for John B, Fontana, III, DMD, Ms, LLC?
- The authorized official listed on John B, Fontana, III, DMD, Ms, LLC's NPPES record is John Fontana, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John B, Fontana, III, DMD, Ms, LLC's NPI active?
- Yes — John B, Fontana, III, DMD, Ms, LLC's NPI (1720420532) is active in the NPPES registry as of the last update on 2013-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.