MR. MATTHEW DAVID YASKUS PCLC
NPI 1427947472
Counselor in Corvallis, MT

NPI Status: Active since July 02, 2025

Contact Information

511 HARVEY LN
CORVALLIS, MT
ZIP 59828
Phone: (406) 361-1241

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  • Individual
  • Male
  • Counselor

About MATTHEW YASKUS

This page provides the complete NPI Profile along with additional information for Matthew Yaskus, a provider established in Corvallis, Montana with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1427947472 assigned on July 2025. The practitioner's primary taxonomy code is 101Y00000X with license number 64725 (MT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1427947472
Provider Name
MR. MATTHEW DAVID YASKUS PCLC
Gender
Male
Entity Type
Individual
Location Address
511 HARVEY LN CORVALLIS, MT 59828
Location Phone
(406) 361-1241
Mailing Address
511 HARVEY LN CORVALLIS, MT 59828
Mailing Phone
(406) 361-1241
Is Sole Proprietor?
No
Enumeration Date
07-02-2025
Last Update Date
07-02-2025
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
64725
License State
MT
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1427947472, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 2 → 4 9 → 18 → 9 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 4 + 1 + 4 + 4 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1427947472.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427947472, enumerated as an "individual" on July 02, 2025.

The provider is located at 511 HARVEY LN CORVALLIS, MT 59828 and the phone number is (406) 361-1241.

Counselor with taxonomy code 101Y00000X.