DR. GREG ERIC JOHNSON D.M.D.
NPI 1669432142
Dentist - General Practice in Hartford, CT
NPI Status: Active since March 27, 2006
Contact Information
104 PRESTON ST
HARTFORD, CT
ZIP 06114
Phone: (860) 296-1500
Fax: (860) 296-5795
- Individual
- Male
- Dentist
- General Practice
About GREG JOHNSON
This page provides the complete NPI Profile along with additional information for Greg Johnson, a provider established in Hartford, Connecticut with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1669432142 assigned on March 2006. The practitioner's primary taxonomy code is 1223G0001X with license number 5795 (CT). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1669432142
- Provider Name
- DR. GREG ERIC JOHNSON D.M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 104 PRESTON ST HARTFORD, CT 06114
- Location Phone
- (860) 296-1500
- Location Fax
- (860) 296-5795
- Mailing Address
- 104 PRESTON ST HARTFORD, CT 06114
- Mailing Phone
- (860) 296-1500
- Mailing Fax
- (860) 296-5795
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-27-2006
- Last Update Date
- 07-08-2007
- Code Navigator
A dentist like Greg Johnson 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
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 General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License No.
- 5795
- License State
- CT
- Taxonomy Description
- A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
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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 1669432142, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669432142, enumerated as an "individual" on March 27, 2006.
The provider is located at 104 PRESTON ST HARTFORD, CT 06114 and the phone number is (860) 296-1500.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
