DR. LOUISE EMILY FERRETTI PH.D.
NPI 1992868632
Clinical Neuropsychologist in Williamsville, NY

NPI Status: Active since December 17, 2006

Contact Information

5820 MAIN ST
SUITE 203
WILLIAMSVILLE, NY
ZIP 14221
Phone: (716) 866-8517
Fax: (716) 565-1511

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  • Individual
  • Female
  • Clinical Neuropsychologist

About LOUISE FERRETTI

This page provides the complete NPI Profile along with additional information for Louise Ferretti, a provider established in Williamsville, New York with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1992868632 assigned on December 2006. The practitioner's primary taxonomy code is 103G00000X with license number 013574 (NY). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1992868632
Provider Name
DR. LOUISE EMILY FERRETTI PH.D.
Gender
Female
Entity Type
Individual
Location Address
5820 MAIN ST SUITE 203 WILLIAMSVILLE, NY 14221
Location Phone
(716) 866-8517
Location Fax
(716) 565-1511
Mailing Address
83 HUNTWOOD CT GETZVILLE, NY 14068
Mailing Phone
(716) 688-5815
Is Sole Proprietor?
Yes
Enumeration Date
12-17-2006
Last Update Date
09-11-2025
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
013574
License State
NY
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

013574 (NY)

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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 1992868632, 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
3
Doubled → 6
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 9 → 18 → 9 8 → 16 → 7 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 6 + 1 + 6 + 6 + 6 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1992868632.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Family Medicine
5820 MAIN ST, SUITE 314
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, SUITE 402 CALDWELL BUILDING
WILLIAMSVILLE, NY 14221
Physical Medicine & Rehabilitation
5820 MAIN ST
WILLIAMSVILLE, NY 14221
Psychiatry & Neurology (Psychiatry)
5820 MAIN ST, 206
WILLIAMSVILLE, NY 14221
Specialist
5820 MAIN ST
WILLIAMSVILLE, NY 14221
Counselor (Mental Health)
5820 MAIN ST
BUFFALO, NY 14221
Psychologist (Clinical)
5820 MAIN ST, STE 402
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, SUITE 203
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, #400
WILLIAMSVILLE, NY 14221
Psychologist
5820 MAIN ST, SUITE 610
WILLIAMSVILLE, NY 14221
Social Worker (Clinical)
5820 MAIN ST, SUITE 508
BUFFALO, NY 14221
Social Worker (Clinical)
5820 MAIN ST, SUITE 203
WILLIAMSVILLE, NY 14221
Psychologist
5820 MAIN ST, SUITE 402
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, SUITE 400
WILLIAMSVILLE, NY 14221
Counselor (Mental Health)
5820 MAIN ST, SUITE 402
WILLIAMSVILLE, NY 14221
Psychologist
5820 MAIN ST, SUITE 610
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, SUITE 505B
WILLIAMSVILLE, NY 14221
Counselor (Mental Health)
5820 MAIN ST, SUITE 205
WILLIAMSVILLE, NY 14221
Social Worker (Clinical)
5820 MAIN ST, STE. 308
WILLIAMSVILLE, NY 14221
Psychologist (Clinical)
5820 MAIN ST, SUITE 204
WILLIAMSVILLE, NY 14221

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992868632, enumerated as an "individual" on December 17, 2006.

The provider is located at 5820 MAIN ST SUITE 203 WILLIAMSVILLE, NY 14221 and the phone number is (716) 866-8517.

Clinical Neuropsychologist with taxonomy code 103G00000X.