NASH REDWOOD
NPI 1548193857
Specialist/Technologist, Health Information in Washington, DC

NPI Status: Active since June 05, 2026

Contact Information

1650 17TH ST NW
WASHINGTON, DC
ZIP 20009
Phone: (202) 881-5457

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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
Male
Specialist/Technologist, Health Informat...

About NASH REDWOOD

This page provides the complete NPI Profile along with additional information for Nash Redwood, a provider established in Washington, District Of Columbia with a medical specialization in Specialist/technologist, Health Information. The healthcare provider is registered in the NPI registry with number 1548193857 assigned on June 2026. The practitioner's primary taxonomy code is 246Y00000X. The provider is registered as an individual and his NPI record was last updated June 2026.

NPI: 1548193857
Provider Name: NASH REDWOOD
Gender: Male
Entity Type: Individual
Location Address: 1650 17TH ST NW WASHINGTON, DC 20009
Location Phone: (202) 881-5457
Mailing Address: 1650 17TH ST NW WASHINGTON, DC 20009
Is Sole Proprietor?: No
Enumeration Date: 06-05-2026
Last Update Date: 06-05-2026
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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: Specialist/Technologist, Health Information
Taxonomy Code: 246Y00000X
Type: Technologists, Technicians & Other Technical Service Providers
Taxonomy Description: An individual with a high school diploma, on-the-job experience and coding education from seminars or college classes who passes a national certification examination in either inpatient and outpatient facility services coding, or physician services coding.

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 1548193857, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

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 4 → 8 1 → 2 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 + 5 + 8 + 8 + 2 + 9 + 6 + 8 + 1 + 0 + 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 1548193857.