NPI Registry
View MarkdownLearn about Stedi

Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days.

Update your NPPES record
Organization

J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC

Active
Find providers by NPI
Organization

J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC

Active
Parent organization
J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC
Organization subpart
Yes

Provider details

NPI number
Legal business name
J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC
Authorized official
JOSEPH A MARSEILLE NP (OWNER)
(631) 988-2983
Entity
Organization

Contact information

Practice address
865 OLD MEDFORD AVE, MEDFORD, NY 11763-2603
(631) 988-2983
(516) 530-1943
Mailing address
865 OLD MEDFORD AVE, MEDFORD, NY 11763-2603
(631) 988-2983
(516) 530-1943

Taxonomy

Speciality
Code
Description
License number
State
363LP0808X
Psychiatric/Mental Health Nurse Practitioner
Primary
—
NULL
363LP0808X
Psychiatric/Mental Health Nurse Practitioner
Primary
—
—

Other

Enumeration date
02/11/2026
Last updated
03/12/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up
Product
  • Claims
  • Eligibility checks