NANCY JOHNSTON RDH
NPI 1497961650
Dental Hygienist in Lexington, SC

NPI Status: Active since May 15, 2007

Contact Information

100 OLD CHEROKEE RD
SUITE F PMB 14
LEXINGTON, SC
ZIP 29072
Phone: (803) 808-2950
Fax: (803) 808-5642

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  • Individual
  • Female
  • Dental Hygienist

About NANCY JOHNSTON

This page provides the complete NPI Profile along with additional information for Nancy Johnston, a provider established in Lexington, South Carolina with a medical specialization in Dental Hygienist. The healthcare provider is registered in the NPI registry with number 1497961650 assigned on May 2007. The practitioner's primary taxonomy code is 124Q00000X with license number 1623 (SC). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1497961650
Provider Name
NANCY JOHNSTON RDH
Gender
Female
Entity Type
Individual
Location Address
100 OLD CHEROKEE RD SUITE F PMB 14 LEXINGTON, SC 29072
Location Phone
(803) 808-2950
Location Fax
(803) 808-5642
Mailing Address
1232 CHEROKEE BLVD ELGIN, SC 29045
Mailing Phone
(803) 518-4539
Is Sole Proprietor?
No
Enumeration Date
05-15-2007
Last Update Date
07-08-2007
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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

Dental Hygienist

Taxonomy Code
124Q00000X
Type
Dental Providers
License No.
1623
License State
SC
Taxonomy Description
An individual who has completed an accredited dental hygiene education program, and an individual who has been licensed by a state board of dental examiners to provide preventive care services under the supervision of a dentist. Functions that may be legally delegated to the dental hygienist vary based on the needs of the dentist, the educational preparation of the dental hygienist and state dental practice acts and regulations, but always include, at a minimum, scaling and polishing the teeth. To avoid misleading the public, no occupational title other than dental hygienist should be used to describe this dental auxiliary.

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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 1497961650, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 9 → 18 → 9 9 → 18 → 9 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 6 + 2 + 6 + 1 + 0 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1497961650.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physical Therapist
100 OLD CHEROKEE RD, PMB 310
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F, PMB #14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F, PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F, PMB14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F, BOX 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F PMB #14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F, BOX 14
LEXINGTON, SC 29072
Dental Hygienist
100 OLD CHEROKEE RD, SUITE F
LEXINGTON, SC 29072
Home Health
100 OLD CHEROKEE RD, SUITE F-122
LEXINGTON, SC 29072

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497961650, enumerated as an "individual" on May 15, 2007.

The provider is located at 100 OLD CHEROKEE RD SUITE F PMB 14 LEXINGTON, SC 29072 and the phone number is (803) 808-2950.

Dental Hygienist with taxonomy code 124Q00000X.