ANDREA TYRRELL
NPI 1851761639
Doula in Canyon, CA

NPI Status: Active since October 06, 2015

Contact Information

99 PINEHURST RD
750 RIDGECREST RD
CANYON, CA
ZIP 94516
Phone: (925) 708-1827

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  • Individual
  • Female
  • Doula

About ANDREA TYRRELL

This page provides the complete NPI Profile along with additional information for Andrea Tyrrell, a provider established in Canyon, California with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1851761639 assigned on October 2015. The practitioner's primary taxonomy code is 374J00000X with license number 10780 (CA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1851761639
Provider Name
ANDREA TYRRELL
Gender
Female
Entity Type
Individual
Location Address
99 PINEHURST RD 750 RIDGECREST RD CANYON, CA 94516
Location Phone
(925) 708-1827
Mailing Address
99 PINEHURST RD POB 36 CANYON, CA 94516
Mailing Phone
(925) 708-1827
Is Sole Proprietor?
Yes
Enumeration Date
10-06-2015
Last Update Date
10-16-2015
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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 No.
10780
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1225700000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Massage Therapist

59127 (CA)

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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 1851761639, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
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 5 → 10 → 1 7 → 14 → 5 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 4 + 6 + 2 + 6 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1851761639.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851761639, enumerated as an "individual" on October 06, 2015.

The provider is located at 99 PINEHURST RD 750 RIDGECREST RD CANYON, CA 94516 and the phone number is (925) 708-1827.

Doula with taxonomy code 374J00000X.