KAREN J GALLAGHER FNP
NPI 1497858427
Nurse Practitioner - Family in Fairfax, VA

NPI Status: Active since September 06, 2006

Contact Information

4400 UNIVERSITY DR
MS2D3
FAIRFAX, VA
ZIP 22030
Phone: (703) 993-2848
Fax: (703) 993-4365

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About KAREN GALLAGHER

This page provides the complete NPI Profile along with additional information for Karen Gallagher, a provider established in Fairfax, Virginia with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1497858427 assigned on September 2006. The practitioner's primary taxonomy code is 363LF0000X with license number 0024111104 (VA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1497858427
Provider Name
KAREN J GALLAGHER FNP
Gender
Female
Entity Type
Individual
Location Address
4400 UNIVERSITY DR MS2D3 FAIRFAX, VA 22030
Location Phone
(703) 993-2848
Location Fax
(703) 993-4365
Mailing Address
5507 SWIFT CURRENT CT BURKE, VA 22015
Mailing Phone
(703) 919-0345
Is Sole Proprietor?
No
Enumeration Date
09-06-2006
Last Update Date
11-19-2025
Code Navigator

A nurse practitioner (NP) like Karen Gallagher 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
0024111104
License State
VA

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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 1497858427, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
7
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 6 + 5 + 1 + 6 + 4 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1497858427.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Primary Care)
4400 UNIVERSITY DR, MS 2D3
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, GEORGE MASON UNIVERSITY
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, MS 3A5
FAIRFAX, VA 22030
Pediatrics (Adolescent Medicine)
4400 UNIVERSITY DR, MSN 2D3, GEORGE MASON UNIVERSITY
FAIRFAX, VA 22030
Nurse Practitioner (Family)
4400 UNIVERSITY DR
FAIRFAX, VA 22030
Nurse Practitioner (Adult Health)
4400 UNIVERSITY DR, GEORGE MASON UNIVERSITY, SHS
FAIRFAX, VA 22030
Pediatrics (Adolescent Medicine)
4400 UNIVERSITY DR, STUDENT UNION BUILDING 1, ROOM 2300
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, MS 3A5
FAIRFAX, VA 22030
Clinic/Center (Student Health)
4400 UNIVERSITY DR, MS 2 D3
FAIRFAX, VA 22030
Psychologist (Clinical)
4400 UNIVERSITY DR, MSN 2C6
FAIRFAX, VA 22030
Nurse Practitioner (Adult Health)
4400 UNIVERSITY DR
FAIRFAX, VA 22030
Family Medicine
4400 UNIVERSITY DR
FAIRFAX, VA 22030
Nurse Practitioner (Family)
4400 UNIVERSITY DR, MS 2D3
FAIRFAX, VA 22030
Nurse Practitioner (Family)
4400 UNIVERSITY DR, MS 2D3
FAIRFAX, VA 22030
Student in an Organized Health Care Education/Training Program
4400 UNIVERSITY DR
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, INTERCOLLEGIATE ATHLETICS - MS 3A5
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, MS 3A5
FAIRFAX, VA 22030
Specialist/Technologist (Athletic Trainer)
4400 UNIVERSITY DR, MSN 3A5
FAIRFAX, VA 22030
Orthopaedic Surgery
4400 UNIVERSITY DR
FAIRFAX, VA 22030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497858427, enumerated as an "individual" on September 06, 2006.

The provider is located at 4400 UNIVERSITY DR MS2D3 FAIRFAX, VA 22030 and the phone number is (703) 993-2848.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.