JUSTINA MEYER IBCLC
NPI 1689536005
Lactation Consultant, Non-RN in Grand Rapids, MI

NPI Status: Active since November 25, 2025

Contact Information

3278 MILO ST NW
GRAND RAPIDS, MI
ZIP 49534
Phone: (616) 634-5629

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  • Individual
  • Female
  • Lactation Consultant, Non-RN

About JUSTINA MEYER

This page provides the complete NPI Profile along with additional information for Justina Meyer, a provider established in Grand Rapids, Michigan with a medical specialization in Lactation Consultant, Non-rn. The healthcare provider is registered in the NPI registry with number 1689536005 assigned on November 2025. The practitioner's primary taxonomy code is 174N00000X with license number L318964 (MI). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1689536005
Provider Name
JUSTINA MEYER IBCLC
Gender
Female
Entity Type
Individual
Location Address
3278 MILO ST NW GRAND RAPIDS, MI 49534
Location Phone
(616) 634-5629
Mailing Address
3278 MILO ST NW GRAND RAPIDS, MI 49534
Mailing Phone
(616) 634-5629
Is Sole Proprietor?
Yes
Enumeration Date
11-25-2025
Last Update Date
11-25-2025
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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

Lactation Consultant, Non-RN

Taxonomy Code
174N00000X
Type
Other Service Providers
License No.
L318964
License State
MI
Taxonomy Description
An individual trained to provide breastfeeding assistance services to both mothers and infants. Lactation Consultants are not required to be nurses and are trained through specific courses of education. The Lactation Consultant may have additional certification through a national or international organization.

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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 1689536005, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
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 8 → 16 → 7 5 → 10 → 1 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 0 + 3 + 1 + 2 + 0 + 0 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1689536005.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689536005, enumerated as an "individual" on November 25, 2025.

The provider is located at 3278 MILO ST NW GRAND RAPIDS, MI 49534 and the phone number is (616) 634-5629.

Lactation Consultant, Non-RN with taxonomy code 174N00000X.