RUTH TCHOFFO
NPI 1427904242
Home Health Aide in Washington, DC

NPI Status: Active since March 05, 2026

Contact Information

1220 12TH ST SE
WASHINGTON, DC
ZIP 20003
Phone: (202) 544-8090

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  • Individual
  • Female
  • Home Health Aide

About RUTH TCHOFFO

This page provides the complete NPI Profile along with additional information for Ruth Tchoffo, a provider established in Washington, District Of Columbia with a medical specialization in Home Health Aide. The healthcare provider is registered in the NPI registry with number 1427904242 assigned on March 2026. The practitioner's primary taxonomy code is 374U00000X with license number HHA200004977 (DC). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1427904242
Provider Name
RUTH TCHOFFO
Gender
Female
Entity Type
Individual
Location Address
1220 12TH ST SE WASHINGTON, DC 20003
Location Phone
(202) 544-8090
Mailing Address
2110 WOODVALE LN BOWIE, MD 20721
Mailing Phone
(240) 814-7668
Is Sole Proprietor?
No
Enumeration Date
03-05-2026
Last Update Date
03-05-2026
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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

Home Health Aide

Taxonomy Code
374U00000X
Type
Nursing Service Related Providers
License No.
HHA200004977
License State
DC
Taxonomy Description
A person trained to assist public health nurses, home health nurses, and other health professionals in the bedside care of patients in their homes.

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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 1427904242, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 0 + 8 + 2 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1427904242.

Other Providers at the Same Location


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

Internal Medicine (Infectious Disease)
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Physician Assistant (Medical)
1220 12TH ST SE
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Dental Hygienist
1220 12TH ST SE, SUITE #120
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE, STE. 120
WASHINGTON, DC 20003
Social Worker (Clinical)
1220 12TH ST SE
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE
WASHINGTON, DC 20003
Dental Hygienist
1220 12TH ST SE
WASHINGTON, DC 20003
Physician Assistant (Medical)
1220 12TH ST SE
WASHINGTON, DC 20003
Advanced Practice Midwife
1220 12TH ST SE
WASHINGTON, DC 20003
Internal Medicine
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Emergency Medicine
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Dentist
1220 12TH ST SE
WASHINGTON, DC 20003
Clinic/Center (Mental Health (Including Community Mental Health Center))
1220 12TH ST SE
WASHINGTON, DC 20003
Internal Medicine
1220 12TH ST SE
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Family Medicine
1220 12TH ST SE, SUITE 120
WASHINGTON, DC 20003
Nurse Practitioner (Family)
1220 12TH ST SE
WASHINGTON, DC 20003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427904242, enumerated as an "individual" on March 05, 2026.

The provider is located at 1220 12TH ST SE WASHINGTON, DC 20003 and the phone number is (202) 544-8090.

Home Health Aide with taxonomy code 374U00000X.