ETAPE SUMELONG TANGE
NPI 1114898640
Non-emergency Medical Transport (VAN) in Washington, DC

NPI Status: Active since September 17, 2025

Contact Information

1629 K ST NW STE 300
WASHINGTON, DC
ZIP 20006
Phone: (240) 439-0474

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

Individual
Male
Non-emergency Medical Transport (VAN)

About ETAPE TANGE

This page provides the complete NPI Profile along with additional information for Etape Tange, a provider established in Washington, District Of Columbia with a medical specialization in Non-emergency Medical Transport (van). The healthcare provider is registered in the NPI registry with number 1114898640 assigned on September 2025. The practitioner's primary taxonomy code is 343900000X with license number 400324808924 (DC). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1114898640
Provider Name: ETAPE SUMELONG TANGE
Gender: Male
Entity Type: Individual
Location Address: 1629 K ST NW STE 300 WASHINGTON, DC 20006
Location Phone: (240) 439-0474
Mailing Address: 11526 STEWART LN APT B2 SILVER SPRING, MD 20904
Mailing Phone: (240) 438-0474
Is Sole Proprietor?: Yes
Enumeration Date: 09-17-2025
Last Update Date: 09-17-2025
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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: Non-emergency Medical Transport (VAN)
Taxonomy Code: 343900000X
Type: Transportation Services
License No.: 400324808924
License State: DC
Taxonomy Description: A land vehicle with a capacity to meet special height, clearance, access, and seating, for the conveyance of persons in non-emergency situations. The vehicle may or may not be required to meet local county or state regulations.

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 1114898640, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 8

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 1 → 2 8 → 16 → 7 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 1 + 6 + 9 + 1 + 6 + 6 + 8 + 24 = 70

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

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

70 - 70 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1114898640.