MARY LOUDER, DO PLLC
NPI 1538943444
Clinic/Center in Holland, MI

NPI Status: Active since August 22, 2023

Contact Information

2695 PINEHILL DR
HOLLAND, MI
ZIP 49424
Phone: (616) 201-8955
Fax: (616) 207-3341

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  • Organization
  • Clinic/Center

About MARY LOUDER, DO PLLC

This page provides the complete NPI Profile along with additional information for Mary Louder, Do Pllc, a provider established in Holland, Michigan operating as a Clinic/center. The healthcare provider is registered in the NPI registry with number 1538943444 assigned on August 2023. The practitioner's primary taxonomy code is 261Q00000X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The authorized official of this NPI record is Dr. Mary Louder Do (Physician And Owner)

NPI
1538943444
Provider Name
MARY LOUDER, DO PLLC
Entity Type
Organization
Location Address
2695 PINEHILL DR HOLLAND, MI 49424
Location Phone
(616) 201-8955
Location Fax
(616) 207-3341
Mailing Address
2695 PINEHILL DR HOLLAND, MI 49424
Mailing Phone
(303) 827-8158
Mailing Fax
(616) 207-3341
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-22-2023
Last Update Date
09-18-2023
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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

Clinic/Center

Taxonomy Code
261Q00000X
Type
Ambulatory Health Care Facilities
Taxonomy Description
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

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

DR. MARY LOUDER DO

Authorized Official Title
PHYSICIAN AND OWNER
Authorized Official Phone
(616) 201-8955

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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 1538943444, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
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 3 → 6 9 → 18 → 9 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 1 + 8 + 4 + 6 + 4 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1538943444.

Other Providers at the Same Location


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

Family Medicine
2695 PINEHILL DR
HOLLAND, MI 49424

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538943444, enumerated as an "organization" on August 22, 2023.

The provider is located at 2695 PINEHILL DR HOLLAND, MI 49424 and the phone number is (616) 201-8955.

Clinic/Center with taxonomy code 261Q00000X.