MR. DOUGLAS JON DUNCAN LPC
NPI 1053483081
Counselor - Professional in Dallas, TX

NPI Status: Active since November 14, 2006

Contact Information

6220 GASTON AVE
SUITE 501
DALLAS, TX
ZIP 75214
Phone: (972) 822-3687

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  • Individual
  • Male
  • Counselor
  • Professional

About DOUGLAS DUNCAN

This page provides the complete NPI Profile along with additional information for Douglas Duncan, a provider established in Dallas, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1053483081 assigned on November 2006. The practitioner's primary taxonomy code is 101YP2500X with license number 19573 (TX). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1053483081
Provider Name
MR. DOUGLAS JON DUNCAN LPC
Gender
Male
Entity Type
Individual
Location Address
6220 GASTON AVE SUITE 501 DALLAS, TX 75214
Location Phone
(972) 822-3687
Mailing Address
2606 CHESTERFIELD RD GARLAND, TX 75043
Mailing Phone
(214) 607-1065
Is Sole Proprietor?
Yes
Enumeration Date
11-14-2006
Last Update Date
01-05-2010
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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.
19573
License State
TX

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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 1053483081, 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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 5 → 10 → 1 4 → 8 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 8 + 8 + 6 + 0 + 1 + 6 + 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 1053483081.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Counselor (Professional)
6220 GASTON AVE, SUITE 501
DALLAS, TX 75214
Counselor (Professional)
6220 GASTON AVE, 501
DALLAS, TX 75214
Counselor (Professional)
6220 GASTON AVE, SUITE #501
DALLAS, TX 75214
Counselor (Mental Health)
6220 GASTON AVE, SUITE 501
DALLAS, TX 75214

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053483081, enumerated as an "individual" on November 14, 2006.

The provider is located at 6220 GASTON AVE SUITE 501 DALLAS, TX 75214 and the phone number is (972) 822-3687.

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