MR. WILLIAM NICHOLAS VAN HORN PMHNP
NPI 1497612121
Nurse Practitioner - Psychiatric/Mental Health in Lyons, NY
About Mr. William Nicholas Van Horn Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM NICHOLAS VAN HORN PMHNP (NPI 1497612121) is an individual psychiatric/mental health provider in Lyons, New York, licensed in New York (407784) and active in the NPI registry since January 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. William Nicholas Van Horn Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Van Horn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lyons, NY 14489
- Reassigned Medicare billing, New York enrollment
- 39 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14489 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Van Horn's NPI number?
The NPI number for William Van Horn is 1497612121. It was assigned to this individual provider in the NPPES registry on January 6, 2026.
Where is William Van Horn located?
William Van Horn practices at 1519 Nye Rd, Lyons, NY 14489. The listed phone number is (315) 946-5722.
What is William Van Horn's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is William Van Horn enrolled in Medicare?
Yes. William Van Horn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Van Horn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Van Horn reassigns Medicare benefits to County Of Wayne (Lyons, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Van Horn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Van Horn was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. William Nicholas Van Horn, PMHNP · NPI 1497612121
Psychiatric/Mental Health physician in Lyons, New York. Individual provider, active in the CMS NPPES registry since January 6, 2026.
## Identity
- **NPI:** 1497612121 (Entity type: Individual)
- **Enumerated:** January 6, 2026
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 407784 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1519 NYE RD, Lyons, NY 14489-9133
- **Phone:** (315) 946-5722
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** County Of Wayne (NPI 1003824855, Lyons, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** January 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1497612121) · Data from the CMS NPPES public registry.