MRS. ALLISON MARGARET LEDDY VILLARREAL MA, LPC
NPI 1669095618
Counselor - Professional in Boulder, CO

NPI Status: Active since May 26, 2020

Contact Information

737 29TH ST STE 200F
BOULDER, CO
ZIP 80303
Phone: (303) 241-3571

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  • Individual
  • Female
  • Counselor
  • Professional

About ALLISON VILLARREAL

This page provides the complete NPI Profile along with additional information for Allison Villarreal, a provider established in Boulder, Colorado with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1669095618 assigned on May 2020. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1669095618
Provider Name
MRS. ALLISON MARGARET LEDDY VILLARREAL MA, LPC
Gender
Female
Entity Type
Individual
Location Address
737 29TH ST STE 200F BOULDER, CO 80303
Location Phone
(303) 241-3571
Mailing Address
737 29TH ST STE 200F BOULDER, CO 80303
Mailing Phone
(303) 241-3571
Is Sole Proprietor?
Yes
Enumeration Date
05-26-2020
Last Update Date
05-26-2020
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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

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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 1669095618, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 0 → 0 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 0 + 9 + 1 + 0 + 6 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1669095618.

Other Providers at the Same Location


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

Counselor (Professional)
737 29TH ST STE 200F
BOULDER, CO 80303

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669095618, enumerated as an "individual" on May 26, 2020.

The provider is located at 737 29TH ST STE 200F BOULDER, CO 80303 and the phone number is (303) 241-3571.

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