J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC
NPI 1144172248
Nurse Practitioner - Psychiatric/Mental Health in Medford, NY

Q: What is J Adelson Horizon Health Np In Psychiatry PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since February 11, 2026

865 OLD MEDFORD AVE, MEDFORD, NY 11763(631) 988-2983(516) 530-1943 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About J Adelson Horizon Health Np In Psychiatry Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

J ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC (NPI 1144172248) is a healthcare organization registered as a psychiatric/mental health in Medford, New York and active in the NPI registry since February 2026. The organization lists Joseph A Marseille, Owner, as its authorized official.

NPPES Registry Identity

NPI1144172248

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameJ ADELSON HORIZON HEALTH NP IN PSYCHIATRY PLLC

Location Address865 OLD MEDFORD AVEMedford, NY 11763-2603

Mailing Address865 Old Medford AveMedford, NY 11763-2603 · (631) 988-2983 · Fax (516) 530-1943

Phone(631) 988-2983

Fax(516) 530-1943

Organization SubpartYes

Authorized OfficialJoseph A MarseilleOwner · (631) 988-2983

Enumeration DateFebruary 11, 2026

Last NPPES UpdateMarch 12, 2026

NPPES CertifiedMarch 12, 2026

✔ NPI 1144172248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

865 OLD MEDFORD AVE, Medford, NY 11763

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. JOSEPH A MARSEILLE FPMHNP

Nurse Practitioner (Psychiatric/Mental Health)

865 OLD MEDFORD AVE
MEDFORD, NY 11763

Suffolk County (631) 988-2983

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 J Adelson Horizon Health Np In Psychiatry PLLC's NPI number?

The NPI number for J Adelson Horizon Health Np In Psychiatry PLLC is 1144172248. It was assigned to this organization in the NPPES registry on February 11, 2026.

Where is J Adelson Horizon Health Np In Psychiatry PLLC located?

J Adelson Horizon Health Np In Psychiatry PLLC is located at 865 Old Medford Ave, Medford, NY 11763. The listed phone number is (631) 988-2983.

What is J Adelson Horizon Health Np In Psychiatry PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for J Adelson Horizon Health Np In Psychiatry PLLC was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.