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ALISON KATHLEEN LENAHAN MA, NCC, LAPC, R-DMT
NPI 1982446142
Counselor - Mental Health in Schnecksville, PA

Active since June 10, 2024
4110 INDEPENDENCE DR STE 100, SCHNECKSVILLE, PA 18078(484) 276-4646 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 16, 2026, Apr 13, 2026, Jun 10, 2024 (3 updates tracked since 2024).

  • Individual
  • Female
  • Counselor
  • Mental Health

About ALISON LENAHAN

This page provides the complete NPI Profile along with additional information for Alison Lenahan, a provider established in Schnecksville, Pennsylvania with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1982446142 assigned on June 2024. The practitioner's primary taxonomy code is 101YM0800X with license number APC002376 (PA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1982446142
Provider Name
ALISON KATHLEEN LENAHAN MA, NCC, LAPC, R-DMT
Gender
Female
Entity Type
Individual
Location Address
4110 INDEPENDENCE DR STE 100 SCHNECKSVILLE, PA 18078
Location Phone
(484) 276-4646
Mailing Address
4110 INDEPENDENCE DR STE 100 SCHNECKSVILLE, PA 18078
Mailing Phone
(484) 276-4646
Is Sole Proprietor?
No
Enumeration Date
06-10-2024
Last Update Date
07-16-2026
Code Navigator

A mental health counselor like Alison Lenahan provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
APC002376
License State
PA

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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 1982446142, 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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 8 → 16 → 7 4 → 8 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 8 + 4 + 1 + 2 + 1 + 8 + 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 1982446142.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Art Therapist
4110 INDEPENDENCE DR STE 100
SCHNECKSVILLE, PA 18078
Counselor (Professional)
4110 INDEPENDENCE DR STE 100
SCHNECKSVILLE, PA 18078

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982446142, enumerated as an "individual" on June 10, 2024.

The provider is located at 4110 INDEPENDENCE DR STE 100 SCHNECKSVILLE, PA 18078 and the phone number is (484) 276-4646.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.