MRS. NICOLE JEFFERIES CPD
NPI 1649110115
Doula in Lansdowne, PA
NPI Status: Active since April 01, 2026
Contact Information
39 PENN BLVD
LANSDOWNE, PA
ZIP 19050
Phone: (610) 479-1357
- Individual
- Female
- Doula
About NICOLE JEFFERIES
This page provides the complete NPI Profile along with additional information for Nicole Jefferies, a provider established in Lansdowne, Pennsylvania with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1649110115 assigned on April 2026. The practitioner's primary taxonomy code is 374J00000X with license number 21673 (PA). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1649110115
- Provider Name
- MRS. NICOLE JEFFERIES CPD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 39 PENN BLVD LANSDOWNE, PA 19050
- Location Phone
- (610) 479-1357
- Mailing Address
- 39 PENN BLVD LANSDOWNE, PA 19050
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-01-2026
- Last Update Date
- 04-01-2026
- Code Navigator
Location Map
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.
- 21673
- License State
- PA
- 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 1649110115, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649110115, enumerated as an "individual" on April 01, 2026.
The provider is located at 39 PENN BLVD LANSDOWNE, PA 19050 and the phone number is (610) 479-1357.
Doula with taxonomy code 374J00000X.
