DAVID THOMAS KNORR MSED, LCPC
NPI 1740384288
Counselor - Professional in Quincy, IL

NPI Status: Active since September 12, 2006

Contact Information

612 N 11TH ST
QUINCY, IL
ZIP 62301
Phone: (217) 224-9484
Fax: (217) 224-7950

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  • Individual
  • Male
  • Counselor
  • Professional

About DAVID KNORR

This page provides the complete NPI Profile along with additional information for David Knorr, a provider established in Quincy, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1740384288 assigned on September 2006. The practitioner's primary taxonomy code is 101YP2500X with license number 180000361 (IL). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1740384288
Provider Name
DAVID THOMAS KNORR MSED, LCPC
Gender
Male
Entity Type
Individual
Location Address
612 N 11TH ST QUINCY, IL 62301
Location Phone
(217) 224-9484
Location Fax
(217) 224-7950
Mailing Address
612 N 11TH ST QUINCY, IL 62301
Mailing Phone
(217) 224-9484
Mailing Fax
(217) 224-7950
Is Sole Proprietor?
No
Enumeration Date
09-12-2006
Last Update Date
10-18-2012
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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.
180000361
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 1740384288, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 6 + 8 + 8 + 2 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1740384288.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Counselor (Professional)
612 N 11TH ST, SUITE B
QUINCY, IL 62301
Family Medicine
612 N 11TH ST, SUITE B
QUINCY, IL 62301
Nurse Practitioner (Family)
612 N 11TH ST, STE B
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine (Sports Medicine)
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Clinic/Center (Rural Health)
612 N 11TH ST
QUINCY, IL 62301
Physician Assistant
612 N 11TH ST
QUINCY, IL 62301
Student in an Organized Health Care Education/Training Program
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Family Medicine
612 N 11TH ST
QUINCY, IL 62301
Social Worker (Clinical)
612 N 11TH ST, STE B
QUINCY, IL 62301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740384288, enumerated as an "individual" on September 12, 2006.

The provider is located at 612 N 11TH ST QUINCY, IL 62301 and the phone number is (217) 224-9484.

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