DR. KATHRYN OLIVER FNP-BC
NPI 1225965098
Nurse Practitioner - Family in Fairfax, VA

NPI Status: Active since May 06, 2026

Contact Information

4793 TAPESTRY DR
FAIRFAX, VA
ZIP 22032
Phone: (910) 494-7494

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About KATHRYN OLIVER

This page provides the complete NPI Profile along with additional information for Kathryn Oliver, 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 1225965098 assigned on May 2026. The practitioner's primary taxonomy code is 363LF0000X with license number 24197639 (VA). The provider is registered as an individual and her NPI record was last updated June 2026.

NPI
1225965098
Provider Name
DR. KATHRYN OLIVER FNP-BC
Gender
Female
Entity Type
Individual
Location Address
4793 TAPESTRY DR FAIRFAX, VA 22032
Location Phone
(910) 494-7494
Mailing Address
4793 TAPESTRY DR FAIRFAX, VA 22032
Is Sole Proprietor?
Yes
Enumeration Date
05-06-2026
Last Update Date
06-04-2026
Code Navigator

A nurse practitioner (NP) like Kathryn Oliver 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.
24197639
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 1225965098, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 2 → 4 9 → 18 → 9 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 8 + 6 + 1 + 0 + 0 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1225965098.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225965098, enumerated as an "individual" on May 06, 2026.

The provider is located at 4793 TAPESTRY DR FAIRFAX, VA 22032 and the phone number is (910) 494-7494.

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