DR. JOHN MICHAEL CONSTANTINE D.M.D.
NPI 1659725869
Dentist in Kingsport, TN

NPI Status: Active since April 14, 2016

Contact Information

117 W SEVIER AVE
KINGSPORT, TN
ZIP 37660
Phone: (423) 933-3981

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  • Individual
  • Male
  • Dentist
  • Accepts Insurance

About JOHN CONSTANTINE

This page provides the complete NPI Profile along with additional information for John Constantine, a provider established in Kingsport, Tennessee with a medical specialization in Dentist. The healthcare provider is registered in the NPI registry with number 1659725869 assigned on April 2016. The practitioner's primary taxonomy code is 122300000X with license number 13043 (TN). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1659725869
Provider Name
DR. JOHN MICHAEL CONSTANTINE D.M.D.
Gender
Male
Entity Type
Individual
Location Address
117 W SEVIER AVE KINGSPORT, TN 37660
Location Phone
(423) 933-3981
Mailing Address
185 N LAKEMONT AVE WINTER PARK, FL 32792
Mailing Phone
(407) 644-7703
Is Sole Proprietor?
Yes
Enumeration Date
04-14-2016
Last Update Date
03-02-2026
Code Navigator

A dentist like John Constantine is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

Secondary Locations

  • 185 N Lakemont Ave
    Winter Park, FL 32792
    (407) 644-7703

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dentist

Taxonomy Code
122300000X
Type
Dental Providers
License No.
13043
License State
TN
Taxonomy Description
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223G0001XDental Providers

Dentist
General Practice

DN22257 (FL)
2261QM2500XAmbulatory Health Care Facilities

Clinic/Center
Medical Specialty

DN22257 (FL)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • BlueCare Dental? 1D - PPO
  • BlueCare Dental 1D - PPO
  • BlueCare Dental 4 Kids? 1A - PPO
  • BlueCare Dental 4 Kids? 1B - PPO
  • BlueCare Dental? 1A - PPO
  • BlueCare Dental? 1B - PPO
  • BlueCare Dental? 1C - PPO
  • Delta Dental PPO Basic Plan for Families - PPO
  • Delta Dental PPO Preferred Plan for Families - PPO
  • Delta Dental PPO Preventive Plan for Families - PPO
  • Guardian Basics for Familes and Individuals - PPO
  • Guardian Essentials for Families and Individuals - PPO
  • Guardian Preventive Plus for Families and Individuals - PPO
  • Guardian Select for Families and Individuals - PPO
  • Humana Dental Smart Choice - PPO
  • Humana Dental Smart Choice - Basic - PPO
  • Humana Dental Smart Choice - High - PPO
  • Humana Dental Smart Choice - Lite - PPO
  • Humana Dental Smart Choice - Low - PPO
  • Alabama Preferred Plan - PPO
  • Alabama Preferred Plan (Pediatric Only) - PPO
  • Alabama Preferred Plus Plan - PPO
  • Alabama Preferred Plus Plan (Pediatric Only) - PPO
  • Alabama Wellness Essentials Plan - PPO
  • Florida Preferred Plan - PPO
  • Florida Preferred Plan (Pediatric Only) - PPO
  • Florida Preferred Plus Plan - PPO
  • Florida Preferred Plus Plan (Pediatric Only) - PPO
  • Florida Wellness Essentials Plan - PPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Reviews for DR. JOHN MICHAEL CONSTANTINE D.M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1659725869, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 7 → 14 → 5 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 0 + 9 + 1 + 4 + 2 + 1 + 0 + 8 + 1 + 2 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1659725869.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660
Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660
Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660
Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660
Physical Medicine & Rehabilitation
117 W SEVIER AVE, STE 120
KINGSPORT, TN 37660
Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660
Nurse Practitioner (Family)
117 W SEVIER AVE, SUITE 100
KINGSPORT, TN 37660
Dentist (Oral and Maxillofacial Surgery)
117 W SEVIER AVE, SUITE 220
KINGSPORT, TN 37660

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659725869, enumerated as an "individual" on April 14, 2016.

The provider is located at 117 W SEVIER AVE KINGSPORT, TN 37660 and the phone number is (423) 933-3981.

Dentist with taxonomy code 122300000X.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Blue Cross. Please consult your insurance carrier or call the provider to verify.