CURTIS A CALHOUN JR. LLPC, SCL
NPI 1447146725
Counselor - Professional in Southfield, MI

NPI Status: Active since June 14, 2025

Contact Information

17515 W 9 MILE RD STE 755
SOUTHFIELD, MI
ZIP 48075
Phone: (313) 454-6841

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  • Individual
  • Male
  • Counselor
  • Professional

About CURTIS CALHOUN

This page provides the complete NPI Profile along with additional information for Curtis Calhoun, a provider established in Southfield, Michigan with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1447146725 assigned on June 2025. The practitioner's primary taxonomy code is 101YP2500X with license number 6451024219 (MI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1447146725
Provider Name
CURTIS A CALHOUN JR. LLPC, SCL
Gender
Male
Entity Type
Individual
Location Address
17515 W 9 MILE RD STE 755 SOUTHFIELD, MI 48075
Location Phone
(313) 454-6841
Mailing Address
781 HARDING ST DETROIT, MI 48214
Mailing Phone
(313) 454-6841
Is Sole Proprietor?
No
Enumeration Date
06-14-2025
Last Update Date
07-17-2025
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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.
6451024219
License State
MI

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YS0200XBehavioral Health & Social Service Providers

Counselor
School

SC0000001098277 (MI)

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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 1447146725, 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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
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 4 → 8 1 → 2 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 2 + 4 + 1 + 2 + 7 + 4 + 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 1447146725.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Counselor (Mental Health)
17515 W 9 MILE RD STE 755
SOUTHFIELD, MI 48075
Counselor (Professional)
17515 W 9 MILE RD STE 755
SOUTHFIELD, MI 48075
Social Worker (Clinical)
17515 W 9 MILE RD STE 755
SOUTHFIELD, MI 48075
Social Worker (Clinical)
17515 W 9 MILE RD STE 755
SOUTHFIELD, MI 48075

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447146725, enumerated as an "individual" on June 14, 2025.

The provider is located at 17515 W 9 MILE RD STE 755 SOUTHFIELD, MI 48075 and the phone number is (313) 454-6841.

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