MS. RHETTA JUDITH KERFOOT RDH
NPI 1396501169
Dental Hygienist in Havre De Grace, MD

NPI Status: Active since February 28, 2024

Contact Information

620 S UNION AVE
HAVRE DE GRACE, MD
ZIP 21078
Phone: (410) 939-1780

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  • Individual
  • Female
  • Dental Hygienist

About RHETTA KERFOOT

This page provides the complete NPI Profile along with additional information for Rhetta Kerfoot, a provider established in Havre De Grace, Maryland with a medical specialization in Dental Hygienist. The healthcare provider is registered in the NPI registry with number 1396501169 assigned on February 2024. The practitioner's primary taxonomy code is 124Q00000X with license number 6965 (MD). The provider is registered as an individual and her NPI record was last updated 2 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1396501169
Provider Name
MS. RHETTA JUDITH KERFOOT RDH
Gender
Female
Entity Type
Individual
Location Address
620 S UNION AVE HAVRE DE GRACE, MD 21078
Location Phone
(410) 939-1780
Mailing Address
620 S UNION AVE HAVRE DE GRACE, MD 21078
Mailing Phone
(410) 939-1780
Is Sole Proprietor?
Yes
Enumeration Date
02-28-2024
Last Update Date
02-28-2024
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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.
6965
License State
MD
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1396501169, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
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 9 → 18 → 9 5 → 10 → 1 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 0 + 0 + 2 + 1 + 1 + 2 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1396501169.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist
620 S UNION AVE
HAVRE DE GRACE, MD 21078
Dentist (General Practice)
620 S UNION AVE
HAVRE DE GRACE, MD 21078
Dentist (General Practice)
620 S UNION AVE
HAVRE DE GRACE, MD 21078

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396501169, enumerated as an "individual" on February 28, 2024.

The provider is located at 620 S UNION AVE HAVRE DE GRACE, MD 21078 and the phone number is (410) 939-1780.

Dental Hygienist with taxonomy code 124Q00000X.