CYNTHIA G. MACDOUGALL, RDHAP, INC
NPI 1548920879
Dental Hygienist in Hermosa Beach, CA

NPI Status: Active since December 28, 2021

Contact Information

444 HERMOSA AVE APT 302
HERMOSA BEACH, CA
ZIP 90254
Phone: (310) 376-9001

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  • Organization
  • Dental Hygienist

About CYNTHIA G. MACDOUGALL, RDHAP, INC

This page provides the complete NPI Profile along with additional information for Cynthia G. Macdougall, Rdhap, Inc, a provider established in Hermosa Beach, California operating as a Dental Hygienist. The healthcare provider is registered in the NPI registry with number 1548920879 assigned on December 2021. The practitioner's primary taxonomy code is 124Q00000X. The provider is registered as an organization and their NPI record was last updated 4 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. The authorized official of this NPI record is Mrs. Cynthia G Macdougall Rdhap, Rdh (Ceo)

NPI
1548920879
Provider Name
CYNTHIA G. MACDOUGALL, RDHAP, INC
Entity Type
Organization
Location Address
444 HERMOSA AVE APT 302 HERMOSA BEACH, CA 90254
Location Phone
(310) 376-9001
Mailing Address
444 HERMOSA AVE APT 302 HERMOSA BEACH, CA 90254
Mailing Phone
(310) 376-9001
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-28-2021
Last Update Date
12-28-2021
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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
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.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MRS. CYNTHIA G MACDOUGALL RDHAP, RDH

Authorized Official Title
CEO
Authorized Official Phone
(310) 376-9001

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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 1548920879, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 4 → 8 9 → 18 → 9 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 1 + 8 + 2 + 0 + 8 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1548920879.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dental Hygienist
444 HERMOSA AVE APT 302
HERMOSA BEACH, CA 90254

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548920879, enumerated as an "organization" on December 28, 2021.

The provider is located at 444 HERMOSA AVE APT 302 HERMOSA BEACH, CA 90254 and the phone number is (310) 376-9001.

Dental Hygienist with taxonomy code 124Q00000X.