DAVID MARQUART LCPC
NPI 1295267607
Counselor - Professional in Glen Ellyn, IL
NPI Status: Active since April 03, 2017
Contact Information
488 N MAIN ST STE 2N
GLEN ELLYN, IL
ZIP 60137
Phone: (517) 315-1936
- Individual
- Male
- Counselor
- Professional
About DAVID MARQUART
This page provides the complete NPI Profile along with additional information for David Marquart, a provider established in Glen Ellyn, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1295267607 assigned on April 2017. The practitioner's primary taxonomy code is 101YP2500X with license number 180012680 (IL). The provider is registered as an individual and his NPI record was last updated 4 years ago.
- NPI
- 1295267607
- Provider Name
- DAVID MARQUART LCPC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 488 N MAIN ST STE 2N GLEN ELLYN, IL 60137
- Location Phone
- (517) 315-1936
- Mailing Address
- 488 N MAIN ST STE 2N GLEN ELLYN, IL 60137
- Mailing Phone
- (517) 315-1936
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-03-2017
- Last Update Date
- 02-17-2022
- 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.
- 180012680
- License State
- IL
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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 1295267607, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
GLEN ELLYN, IL 60137
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1295267607, enumerated as an "individual" on April 03, 2017.
The provider is located at 488 N MAIN ST STE 2N GLEN ELLYN, IL 60137 and the phone number is (517) 315-1936.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
