MR. WILLIAM NICHOLAS VAN HORN PMHNP
NPI 1497612121
Nurse Practitioner - Psychiatric/Mental Health in Lyons, NY

NPI Status: Active since January 06, 2026

Contact Information

1519 NYE RD
LYONS, NY
ZIP 14489
Phone: (315) 946-5722

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  • Individual
  • Male
  • Nurse Practitioner
  • Psychiatric/Mental Health

About WILLIAM VAN HORN

This page provides the complete NPI Profile along with additional information for William Van Horn, a provider established in Lyons, New York with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1497612121 assigned on January 2026. The practitioner's primary taxonomy code is 363LP0808X with license number 407784 (NY). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1497612121
Provider Name
MR. WILLIAM NICHOLAS VAN HORN PMHNP
Gender
Male
Entity Type
Individual
Location Address
1519 NYE RD LYONS, NY 14489
Location Phone
(315) 946-5722
Mailing Address
297 VALLEY RD ROCHESTER, NY 14618
Mailing Phone
(843) 315-5094
Is Sole Proprietor?
No
Enumeration Date
01-06-2026
Last Update Date
01-06-2026
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A nurse practitioner (NP) like William Van Horn is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
407784
License State
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 1497612121, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 1 + 4 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1497612121.

Other Providers at the Same Location


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

Public Health or Welfare
1519 NYE RD, SUITE 200
LYONS, NY 14489
Case Management
1519 NYE RD, SUITE 200
LYONS, NY 14489
Nurse Practitioner (Psychiatric/Mental Health)
1519 NYE RD
LYONS, NY 14489
Psychiatry & Neurology (Psychiatry)
1519 NYE RD, WAYNE BEHAVIORAL HEALTH NETWORK
CYONS, NY 14489
Case Manager/Care Coordinator
1519 NYE RD
LYONS, NY 14489
Registered Nurse
1519 NYE RD, WAYNE BEHAVIORAL HEALTH NETWORK
LYONS, NY 14489
Case Manager/Care Coordinator
1519 NYE RD
LYONS, NY 14489
Case Manager/Care Coordinator
1519 NYE RD
LYONS, NY 14489
Registered Nurse (Psychiatric/Mental Health)
1519 NYE RD, SUITE 110
LYONS, NY 14489
Nurse Practitioner (Psychiatric/Mental Health)
1519 NYE RD, WAYNE BEHAVIORAL HEALTH NETWORK
LYONS, NY 14489
Community/Behavioral Health
1519 NYE RD
LYONS, NY 14489
Social Worker
1519 NYE RD
LYONS, NY 14489
Licensed Practical Nurse
1519 NYE RD
LYONS, NY 14489
Community/Behavioral Health
1519 NYE RD
LYONS, NY 14489
Social Worker (Clinical)
1519 NYE RD
LYONS, NY 14489
Social Worker
1519 NYE RD
LYONS, NY 14489
Driver
1519 NYE RD
LYONS, NY 14489
Psychiatry & Neurology (Forensic Psychiatry)
1519 NYE RD
LYONS, NY 14489
Counselor (Mental Health)
1519 NYE RD
LYONS, NY 14489
Speech-Language Pathologist
1519 NYE RD
LYONS, NY 14489

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497612121, enumerated as an "individual" on January 06, 2026.

The provider is located at 1519 NYE RD LYONS, NY 14489 and the phone number is (315) 946-5722.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.