KATHLEEN HAUTY LEEF NNP
NPI 1508989401
Nurse Practitioner - Neonatal, Critical Care in Newark, DE

NPI Status: Active since April 08, 2007

Contact Information

106 W SHETLAND CT
ABBOTSFORD
NEWARK, DE
ZIP 19711
Phone: (302) 733-2400
Fax: (302) 733-2396

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  • Individual
  • Female
  • Nurse Practitioner
  • Neonatal, Critical Care

About KATHLEEN LEEF

This page provides the complete NPI Profile along with additional information for Kathleen Leef, a provider established in Newark, Delaware with a medical specialization in Nurse Practitioner, focusing in neonatal, critical care . The healthcare provider is registered in the NPI registry with number 1508989401 assigned on April 2007. The practitioner's primary taxonomy code is 363LN0005X with license number LM0000133 (DE). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1508989401
Provider Name
KATHLEEN HAUTY LEEF NNP
Gender
Female
Entity Type
Individual
Location Address
106 W SHETLAND CT ABBOTSFORD NEWARK, DE 19711
Location Phone
(302) 733-2400
Location Fax
(302) 733-2396
Mailing Address
106 W SHETLAND CT ABBOTSFORD NEWARK, DE 19711
Mailing Phone
(302) 733-2400
Mailing Fax
(302) 733-2396
Is Sole Proprietor?
No
Enumeration Date
04-08-2007
Last Update Date
07-08-2007
Code Navigator

A nurse practitioner (NP) like Kathleen Leef is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Neonatal, Critical Care

Taxonomy Code
363LN0005X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
LM0000133
License State
DE

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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 1508989401, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 0 → 0 9 → 18 → 9 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 8 + 8 + 1 + 8 + 4 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508989401.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508989401, enumerated as an "individual" on April 08, 2007.

The provider is located at 106 W SHETLAND CT ABBOTSFORD NEWARK, DE 19711 and the phone number is (302) 733-2400.

Nurse Practitioner with taxonomy code 363LN0005X and a focus in Neonatal, Critical Care.