GREGORY K PARKER LCPC
NPI 1215091764
Counselor - Mental Health in Rockford, IL

NPI Status: Active since December 20, 2006

Contact Information

1415 E STATE ST
ROCKFORD, IL
ZIP 61104
Phone: (815) 489-4376

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  • Individual
  • Male
  • Counselor
  • Mental Health

About GREGORY PARKER

This page provides the complete NPI Profile along with additional information for Gregory Parker, a provider established in Rockford, Illinois with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1215091764 assigned on December 2006. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1215091764
Provider Name
GREGORY K PARKER LCPC
Gender
Male
Entity Type
Individual
Location Address
1415 E STATE ST ROCKFORD, IL 61104
Location Phone
(815) 489-4376
Mailing Address
PO BOX 1567 ROCKFORD, IL 61110
Is Sole Proprietor?
No
Enumeration Date
12-20-2006
Last Update Date
07-08-2007
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A mental health counselor like Gregory Parker provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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 Mental Health

Taxonomy Code
101YM0800X
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 1215091764, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
2
Unchanged
Pos 3
1
Doubled → 2
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 1 → 2 0 → 0 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 2 + 5 + 0 + 9 + 2 + 7 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1215091764.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Otolaryngology
1415 E STATE ST, SUITE A6
ROCKFORD, IL 61104
Clinical Nurse Specialist
1415 E STATE ST
ROCKFORD, IL 61104
Counselor (Mental Health)
1415 E STATE ST
ROCKFORD, IL 61104
Internal Medicine
1415 E STATE ST
ROCKFORD, IL 61104
Counselor (Mental Health)
1415 E STATE ST
ROCKFORD, IL 61104
Psychiatry & Neurology (Psychiatry)
1415 E STATE ST, SUITE 900
ROCKFORD, IL 61104
Obstetrics & Gynecology
1415 E STATE ST, SUITE 800
ROCKFORD, IL 61104
Social Worker (Clinical)
1415 E STATE ST
ROCKFORD, IL 61104
Clinical Nurse Specialist
1415 E STATE ST, SUITE 700
ROCKFORD, IL 61104
Hearing Instrument Specialist
1415 E STATE ST
ROCKFORD, IL 61104
Clinic/Center (Mental Health (Including Community Mental Health Center))
1415 E STATE ST, SUITE 900
ROCKFORD, IL 61104
Obstetrics & Gynecology
1415 E STATE ST, SUITE 200
ROCKFORD, IL 61104
Hearing Instrument Specialist
1415 E STATE ST, STE A1
ROCKFORD, IL 61104
Obstetrics & Gynecology
1415 E STATE ST, 8TH FLOOR
ROCKFORD, IL 61104
Audiologist-Hearing Aid Fitter
1415 E STATE ST, CAMELOT TOWERS, STE A1
ROCKFORD, IL 61104
Nurse Practitioner
1415 E STATE ST, 800
ROCKFORD, IL 61104
Registered Nurse (Diabetes Educator)
1415 E STATE ST
ROCKFORD, IL 61104
Nurse Practitioner
1415 E STATE ST
ROCKFORD, IL 61104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215091764, enumerated as an "individual" on December 20, 2006.

The provider is located at 1415 E STATE ST ROCKFORD, IL 61104 and the phone number is (815) 489-4376.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.