MR. FRANK C. STARK
NPI 1558638965
Counselor - Professional in Palatine, IL

NPI Status: Active since November 30, 2011

Contact Information

125 W KING ARTHUR CT
PALATINE, IL
ZIP 60067
Phone: (847) 530-7559

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  • Individual
  • Male
  • Counselor
  • Professional

About FRANK STARK

This page provides the complete NPI Profile along with additional information for Frank Stark, a provider established in Palatine, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1558638965 assigned on November 2011. The practitioner's primary taxonomy code is 101YP2500X with license number 180.010233 (IL). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1558638965
Provider Name
MR. FRANK C. STARK
Gender
Male
Entity Type
Individual
Location Address
125 W KING ARTHUR CT PALATINE, IL 60067
Location Phone
(847) 530-7559
Mailing Address
125 W KING ARTHUR CT PALATINE, IL 60067
Is Sole Proprietor?
Yes
Enumeration Date
11-30-2011
Last Update Date
06-14-2016
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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.
180.010233
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 1558638965, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
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 5 → 10 → 1 6 → 12 → 3 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 2 + 3 + 1 + 6 + 9 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1558638965.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Mental Health)
125 W KING ARTHUR CT
PALATINE, IL 60067

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558638965, enumerated as an "individual" on November 30, 2011.

The provider is located at 125 W KING ARTHUR CT PALATINE, IL 60067 and the phone number is (847) 530-7559.

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