WELLNESS WORKS, LLC
NPI 1861363889
Counselor - Professional in Fort Gratiot, MI

NPI Status: Active since September 15, 2025

Contact Information

3915 PINE GROVE AVE
FORT GRATIOT, MI
ZIP 48059
Phone: (810) 531-8794

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  • Organization
  • Counselor
  • Professional

About WELLNESS WORKS, LLC

This page provides the complete NPI Profile along with additional information for Wellness Works, Llc, a provider established in Fort Gratiot, Michigan operating as a Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1861363889 assigned on September 2025. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an organization and their NPI record was last updated one year ago. Wellness Works, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Brent Duane Marquardt Ms, Ccc-slp (Owner/operator)

NPI
1861363889
Provider Name
WELLNESS WORKS, LLC
Entity Type
Organization
Location Address
3915 PINE GROVE AVE FORT GRATIOT, MI 48059
Location Phone
(810) 531-8794
Mailing Address
3915 PINE GROVE AVE FORT GRATIOT, MI 48059
Mailing Phone
(810) 531-8794
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-15-2025
Last Update Date
09-15-2025
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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

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)
1235Z00000XSpeech, Language and Hearing Service Providers

Speech-Language Pathologist

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

BRENT DUANE MARQUARDT MS, CCC-SLP

Authorized Official Title
OWNER/OPERATOR
Authorized Official Phone
(810) 531-8794

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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 1861363889, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 6 + 6 + 8 + 1 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1861363889.

Other Providers at the Same Location


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

Rehabilitation Practitioner
3915 PINE GROVE AVE
FORT GRATIOT, MI 48059

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861363889, enumerated as an "organization" on September 15, 2025.

The provider is located at 3915 PINE GROVE AVE FORT GRATIOT, MI 48059 and the phone number is (810) 531-8794.

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