DR. DAVID M TRIEMER PH.D.
NPI 1598887820
Psychologist - Cognitive & Behavioral in Norcross, GA

NPI Status: Active since April 06, 2007

Contact Information

3949 HOLCOMB BRIDGE RD STE 200
NORCROSS, GA
ZIP 30092
Phone: (404) 405-8083
Fax: (770) 573-0862

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  • Individual
  • Male
  • Psychologist
  • Cognitive & Behavioral

About DAVID TRIEMER

This page provides the complete NPI Profile along with additional information for David Triemer, a provider established in Norcross, Georgia with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1598887820 assigned on April 2007. The practitioner's primary taxonomy code is 103TB0200X with license number 1113 (GA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1598887820
Provider Name
DR. DAVID M TRIEMER PH.D.
Gender
Male
Entity Type
Individual
Location Address
3949 HOLCOMB BRIDGE RD STE 200 NORCROSS, GA 30092
Location Phone
(404) 405-8083
Location Fax
(770) 573-0862
Mailing Address
708 PLANTERS ROW SW LILBURN, GA 30047
Mailing Phone
(404) 405-8083
Mailing Fax
(770) 573-0862
Is Sole Proprietor?
Yes
Enumeration Date
04-06-2007
Last Update Date
09-11-2025
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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

Psychologist Cognitive & Behavioral

Taxonomy Code
103TB0200X
Type
Behavioral Health & Social Service Providers
License No.
1113
License State
GA
Taxonomy Description
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

1113 (GA)
2103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

1113 (GA)
3103TC2200XBehavioral Health & Social Service Providers

Psychologist
Clinical Child & Adolescent

1113 (GA)
4103TF0000XBehavioral Health & Social Service Providers

Psychologist
Family

1113 (GA)

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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 1598887820, 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 80. The final step is to find the difference between that total and the next multiple of ten (80 - 80 = 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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
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 9 → 18 → 9 8 → 16 → 7 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 6 + 8 + 1 + 4 + 8 + 4 + 24 = 80

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

The next multiple of ten after 80 is 80. The difference is the calculated check digit.

80 - 80 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1598887820.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Social Worker (Clinical)
3949 HOLCOMB BRIDGE RD STE 200
PEACHTREE CORNERS, GA 30092
Social Worker (Clinical)
3949 HOLCOMB BRIDGE RD STE 200
PEACHTREE CORNERS, GA 30092
Social Worker (Clinical)
3949 HOLCOMB BRIDGE RD STE 200
PEACHTREE CORNERS, GA 30092

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598887820, enumerated as an "individual" on April 06, 2007.

The provider is located at 3949 HOLCOMB BRIDGE RD STE 200 NORCROSS, GA 30092 and the phone number is (404) 405-8083.

Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.