JENNIFER DIANNE JOHNSON PCLC
NPI 1588530042
Counselor - Professional in Great Falls, MT

NPI Status: Active since October 13, 2025

Contact Information

601 1ST AVE N
GREAT FALLS, MT
ZIP 59401
Phone: (406) 454-6973
Fax: (406) 791-9277

NPI Profile Information
Primary Taxonomy
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Counselor
Professional

About JENNIFER JOHNSON

This page provides the complete NPI Profile along with additional information for Jennifer Johnson, a provider established in Great Falls, Montana with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1588530042 assigned on October 2025. The practitioner's primary taxonomy code is 101YP2500X with license number BBH-PCLC-LIC-81311 (MT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1588530042
Provider Name: JENNIFER DIANNE JOHNSON PCLC
Gender: Female
Entity Type: Individual
Location Address: 601 1ST AVE N GREAT FALLS, MT 59401
Location Phone: (406) 454-6973
Location Fax: (406) 791-9277
Mailing Address: 601 1ST AVE N GREAT FALLS, MT 59401
Mailing Phone: (406) 454-6973
Mailing Fax: (406) 791-9277
Is Sole Proprietor?: No
Enumeration Date: 10-13-2025
Last Update Date: 11-11-2025
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Location Map

Secondary Locations

2601 8th ST NE
Great Falls, MT 59404
(406) 454-6973

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.: BBH-PCLC-LIC-81311
License State: MT

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 1588530042, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 0 + 3 + 0 + 0 + 8 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1588530042.