ELISABETH GRACE GILES NP
NPI 1265363451
Registered Nurse - General Practice in Bethesda, MD

NPI Status: Active since May 26, 2026

Contact Information

4701 SANGAMORE RD STE S207
BETHESDA, MD
ZIP 20816
Phone: (202) 684-7167

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Registered Nurse
General Practice

About ELISABETH GILES

This page provides the complete NPI Profile along with additional information for Elisabeth Giles, a provider established in Bethesda, Maryland with a medical specialization in Registered Nurse, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1265363451 assigned on May 2026. The practitioner's primary taxonomy code is 163WG0000X with license number 0001327127 (VA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI: 1265363451
Provider Name: ELISABETH GRACE GILES NP
Gender: Female
Entity Type: Individual
Location Address: 4701 SANGAMORE RD STE S207 BETHESDA, MD 20816
Location Phone: (202) 684-7167
Mailing Address: 700 N RANDOLPH ST APT 1704 ARLINGTON, VA 22203
Mailing Phone: (931) 980-2210
Is Sole Proprietor?: No
Enumeration Date: 05-26-2026
Last Update Date: 05-26-2026
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A registered nurse (RN) like Elisabeth Giles coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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: Registered Nurse General Practice
Taxonomy Code: 163WG0000X
Type: Nursing Service Providers
License No.: 0001327127
License State: VA

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 1265363451, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 6 → 12 → 3 3 → 6 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 6 + 6 + 6 + 4 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1265363451.