DAVID GEOFFREY ARMSTRONG MS, LPC LPC
NPI 1154570950
Counselor - Professional in Lakewood, CO

NPI Status: Active since September 16, 2008

Contact Information

8015 W. ALAMEDA AVE.
SUITE G50
LAKEWOOD, CO
ZIP 80226
Phone: (720) 507-4749

Get Directions Write a Review

  • Individual
  • Male
  • Counselor
  • Professional

About DAVID ARMSTRONG MS, LPC

This page provides the complete NPI Profile along with additional information for David Armstrong Ms, Lpc, a provider established in Lakewood, Colorado with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1154570950 assigned on September 2008. The practitioner's primary taxonomy code is 101YP2500X with license number 0013620 (CO). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1154570950
Provider Name
DAVID GEOFFREY ARMSTRONG MS, LPC LPC
Gender
Male
Entity Type
Individual
Location Address
8015 W. ALAMEDA AVE. SUITE G50 LAKEWOOD, CO 80226
Location Phone
(720) 507-4749
Mailing Address
12457 W ARKANSAS AVE LAKEWOOD, CO 80228
Mailing Phone
(720) 507-4749
Is Sole Proprietor?
Yes
Enumeration Date
09-16-2008
Last Update Date
10-30-2024
Code Navigator

Location Map

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.
0013620
License State
CO

Reviews for DAVID GEOFFREY ARMSTRONG MS, LPC LPC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1154570950, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 5 → 10 → 1 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 0 + 7 + 0 + 9 + 1 + 0 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1154570950.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154570950, enumerated as an "individual" on September 16, 2008.

The provider is located at 8015 W. ALAMEDA AVE. SUITE G50 LAKEWOOD, CO 80226 and the phone number is (720) 507-4749.

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