MS. TEDRA N WILLIAMS NCC, LPC
NPI 1649592213
Counselor - Professional in Washington, DC

NPI Status: Active since February 23, 2010

Contact Information

5710 4TH ST NW
WASHINGTON, DC
ZIP 20011
Phone: (202) 560-5528

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  • Individual
  • Female
  • Counselor
  • Professional

About TEDRA WILLIAMS

This page provides the complete NPI Profile along with additional information for Tedra Williams, a provider established in Washington, District Of Columbia with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1649592213 assigned on February 2010. The practitioner's primary taxonomy code is 101YP2500X with license number PRC14077 (DC). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1649592213
Provider Name
MS. TEDRA N WILLIAMS NCC, LPC
Gender
Female
Entity Type
Individual
Location Address
5710 4TH ST NW WASHINGTON, DC 20011
Location Phone
(202) 560-5528
Mailing Address
5710 4TH ST NW WASHINGTON, DC 20011
Is Sole Proprietor?
Yes
Enumeration Date
02-23-2010
Last Update Date
02-23-2010
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
PRC14077
License State
DC

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101Y00000XBehavioral Health & Social Service Providers

Counselor

PRC14077 (DC)
2101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

PRC14077 (DC)

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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 1649592213, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 1 + 0 + 9 + 4 + 2 + 2 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1649592213.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649592213, enumerated as an "individual" on February 23, 2010.

The provider is located at 5710 4TH ST NW WASHINGTON, DC 20011 and the phone number is (202) 560-5528.

Counselor with taxonomy code 101YP2500X and a focus in Professional.