ASHLEY JOANNA ERWIN DOULA
NPI 1780494484
Doula in Aliso Viejo, CA

NPI Status: Active since January 13, 2025

Contact Information

189 WOODCREST LN
ALISO VIEJO, CA
ZIP 92656
Phone: (949) 212-4404

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  • Individual
  • Female
  • Doula

About ASHLEY ERWIN

This page provides the complete NPI Profile along with additional information for Ashley Erwin, a provider established in Aliso Viejo, California with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1780494484 assigned on January 2025. The practitioner's primary taxonomy code is 374J00000X. The provider is registered as an individual and her NPI record was last updated one year 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
1780494484
Provider Name
ASHLEY JOANNA ERWIN DOULA
Gender
Female
Entity Type
Individual
Location Address
189 WOODCREST LN ALISO VIEJO, CA 92656
Location Phone
(949) 212-4404
Mailing Address
189 WOODCREST LN ALISO VIEJO, CA 92656
Mailing Phone
(949) 212-4404
Is Sole Proprietor?
Yes
Enumeration Date
01-13-2025
Last Update Date
01-13-2025
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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

Doula

Taxonomy Code
374J00000X
Type
Nursing Service Related Providers
License State
CA
Taxonomy Description
Doulas work in a variety of settings and have been trained to provide physical, emotional, and informational support to a mother before, during, and just after birth and/or provide emotional and practical support to a mother during the postpartum period.

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 1780494484, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 8 → 16 → 7 4 → 8 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 8 + 9 + 8 + 4 + 1 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1780494484.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780494484, enumerated as an "individual" on January 13, 2025.

The provider is located at 189 WOODCREST LN ALISO VIEJO, CA 92656 and the phone number is (949) 212-4404.

Doula with taxonomy code 374J00000X.