HANNAH GEISLER
NPI 1225980766
Counselor - Professional in Monroe, CT

NPI Status: Active since February 09, 2026

Contact Information

755 MAIN ST STE B
MONROE, CT
ZIP 06468
Phone: (203) 590-3377

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  • Individual
  • Female
  • Counselor
  • Professional

About HANNAH GEISLER

This page provides the complete NPI Profile along with additional information for Hannah Geisler, a provider established in Monroe, Connecticut with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1225980766 assigned on February 2026. The practitioner's primary taxonomy code is 101YP2500X with license number 8902 (CT). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1225980766
Provider Name
HANNAH GEISLER
Gender
Female
Entity Type
Individual
Location Address
755 MAIN ST STE B MONROE, CT 06468
Location Phone
(203) 590-3377
Mailing Address
755 MAIN ST STE B MONROE, CT 06468
Mailing Phone
(203) 590-3377
Is Sole Proprietor?
No
Enumeration Date
02-09-2026
Last Update Date
02-09-2026
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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
License No.
8902
License State
CT

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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 1225980766, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
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 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 8 + 8 + 0 + 7 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1225980766.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225980766, enumerated as an "individual" on February 09, 2026.

The provider is located at 755 MAIN ST STE B MONROE, CT 06468 and the phone number is (203) 590-3377.

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