NANCY NGUYEN SCHULTZ RDHAP
NPI 1720882194
Dental Hygienist in Costa Mesa, CA

NPI Status: Active since April 03, 2025

Contact Information

3404 SANTA CLARA CIR
COSTA MESA, CA
ZIP 92626
Phone: (949) 701-6381

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  • Individual
  • Female
  • Dental Hygienist

About NANCY SCHULTZ

This page provides the complete NPI Profile along with additional information for Nancy Schultz, a provider established in Costa Mesa, California with a medical specialization in Dental Hygienist. The healthcare provider is registered in the NPI registry with number 1720882194 assigned on April 2025. The practitioner's primary taxonomy code is 124Q00000X with license number HAP1137 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1720882194
Provider Name
NANCY NGUYEN SCHULTZ RDHAP
Gender
Female
Entity Type
Individual
Location Address
3404 SANTA CLARA CIR COSTA MESA, CA 92626
Location Phone
(949) 701-6381
Mailing Address
3404 SANTA CLARA CIR COSTA MESA, CA 92626
Is Sole Proprietor?
No
Enumeration Date
04-03-2025
Last Update Date
04-03-2025
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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.
HAP1137
License State
CA
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 1720882194, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 2 → 4 8 → 16 → 7 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 6 + 8 + 4 + 1 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1720882194.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720882194, enumerated as an "individual" on April 03, 2025.

The provider is located at 3404 SANTA CLARA CIR COSTA MESA, CA 92626 and the phone number is (949) 701-6381.

Dental Hygienist with taxonomy code 124Q00000X.