IndividualActive
John Constantine, D.M.D.
NPI 1659725869 · Dentist · Kingsport, TN
John Constantine, D.M.D. is a Dentist provider in Kingsport, TN (NPI 1659725869).
Provider details
- NPI number
- 1659725869
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DN22257 (FL)
Specialties & taxonomies
Dental Providers
Dental Providers
Ambulatory Health Care Facilities
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
117 W Sevier Ave
Kingsport, TN 37660-3799
Phone: (423) 933-3981
Street-level locationGet directions
Mailing address
185 N Lakemont Ave
Winter Park, FL 32792-3203
Additional practice locations (1)
- 185 N Lakemont AveWinter Park, FL 32792-3203Phone: (407) 644-7703
Registry dates
- Enumerated
- 2016-04-14
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is John Constantine's NPI number?
- John Constantine's National Provider Identifier (NPI) is 1659725869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Constantine's specialty?
- John Constantine is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is John Constantine located?
- John Constantine's practice location on file with NPPES is 117 W Sevier Ave, Kingsport, TN 37660-3799.
- What is John Constantine's phone number?
- The practice phone number listed in the NPPES registry for John Constantine is (423) 933-3981.
- Is John Constantine's NPI active?
- Yes — John Constantine's NPI (1659725869) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.