GRACES HOUSE
NPI 1508711144
Counselor - Professional in Spring Lake, MI

NPI Status: Active since February 27, 2026

Contact Information

17798 WOODCREEK LN
SPRING LAKE, MI
ZIP 49456
Phone: (616) 901-4180
Fax: (616) 901-4180

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  • Organization
  • Counselor
  • Professional

About GRACES HOUSE

This page provides the complete NPI Profile along with additional information for Graces House, a provider established in Spring Lake, Michigan operating as a Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1508711144 assigned on February 2026. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an organization and their NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Karen Alkema Lpc (Therapist)

NPI
1508711144
Provider Name
GRACES HOUSE
Entity Type
Organization
Location Address
17798 WOODCREEK LN SPRING LAKE, MI 49456
Location Phone
(616) 901-4180
Location Fax
(616) 901-4180
Mailing Address
17798 WOODCREEK LN SPRING LAKE, MI 49456
Mailing Phone
(616) 901-4180
Mailing Fax
(616) 901-4180
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-27-2026
Last Update Date
02-27-2026
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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

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

KAREN ALKEMA LPC

Authorized Official Title
THERAPIST
Authorized Official Phone
(616) 901-4180

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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 1508711144, 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 0 → 0 7 → 14 → 5 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 4 + 1 + 2 + 1 + 8 + 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 1508711144.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508711144, enumerated as an "organization" on February 27, 2026.

The provider is located at 17798 WOODCREEK LN SPRING LAKE, MI 49456 and the phone number is (616) 901-4180.

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