ESTHER WAMBUI MWANGI
NPI 1174495113
Doula in Walnut Creek, CA

NPI Status: Active since September 19, 2025

Contact Information

3180 OAK RD APT 315
WALNUT CREEK, CA
ZIP 94597
Phone: (925) 316-8311

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  • Individual
  • Female
  • Doula

About ESTHER MWANGI

This page provides the complete NPI Profile along with additional information for Esther Mwangi, a provider established in Walnut Creek, California with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1174495113 assigned on September 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.

NPI
1174495113
Provider Name
ESTHER WAMBUI MWANGI
Gender
Female
Entity Type
Individual
Location Address
3180 OAK RD APT 315 WALNUT CREEK, CA 94597
Location Phone
(925) 316-8311
Mailing Address
3180 OAK RD APT 315 WALNUT CREEK, CA 94597
Is Sole Proprietor?
No
Enumeration Date
09-19-2025
Last Update Date
09-19-2025
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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.

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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 1174495113, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
1
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 7 → 14 → 5 4 → 8 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 8 + 9 + 1 + 0 + 1 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1174495113.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174495113, enumerated as an "individual" on September 19, 2025.

The provider is located at 3180 OAK RD APT 315 WALNUT CREEK, CA 94597 and the phone number is (925) 316-8311.

Doula with taxonomy code 374J00000X.