MR. CHARLES DOY DUDLEY M.ED. LCPC
NPI 1942492517
Counselor - Professional in Rockford, IL

NPI Status: Active since August 16, 2007

Contact Information

5804 ELAINE DR
ROCKFORD, IL
ZIP 61108
Phone: (815) 397-7654
Fax: (815) 397-2712

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  • Individual
  • Male
  • Counselor
  • Professional

About CHARLES DUDLEY

This page provides the complete NPI Profile along with additional information for Charles Dudley, a provider established in Rockford, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1942492517 assigned on August 2007. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1942492517
Provider Name
MR. CHARLES DOY DUDLEY M.ED. LCPC
Gender
Male
Entity Type
Individual
Location Address
5804 ELAINE DR ROCKFORD, IL 61108
Location Phone
(815) 397-7654
Location Fax
(815) 397-2712
Mailing Address
1515 WHEELER RD KIRKLAND, IL 60146
Mailing Phone
(815) 522-2417
Mailing Fax
(815) 397-2712
Is Sole Proprietor?
Yes
Enumeration Date
08-16-2007
Last Update Date
08-16-2007
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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 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 1942492517, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 8 + 9 + 4 + 5 + 2 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1942492517.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Marriage & Family Therapist
5804 ELAINE DR, MATHERS CLINIC
ROCKFORD, IL 61108
Psychiatry & Neurology (Child & Adolescent Psychiatry)
5804 ELAINE DR
ROCKFORD, IL 61108
Counselor (Professional)
5804 ELAINE DR
ROCKFORD, IL 61108
Counselor (Mental Health)
5804 ELAINE DR
ROCKFORD, IL 61108
Counselor (Professional)
5804 ELAINE DR
ROCKFORD, IL 61108
Social Worker (Clinical)
5804 ELAINE DR
ROCKFORD, IL 61108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942492517, enumerated as an "individual" on August 16, 2007.

The provider is located at 5804 ELAINE DR ROCKFORD, IL 61108 and the phone number is (815) 397-7654.

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