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DENNIS MARCUS MD PC
NPI 1003876020
Nurse Practitioner - Psychiatric/Mental Health in Valatie, NY

Active since March 24, 2006
2880 ROUTE 9, VALATIE, NY 12184(518) 758-6922 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Dennis Marcus Md Pc NPPES

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

DENNIS MARCUS MD PC (NPI 1003876020) is a healthcare organization registered as a psychiatric/mental health in Valatie, New York and active in the NPI registry since March 2006. The organization lists Dennis Marcus, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1003876020
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameDENNIS MARCUS MD PC
Location Address2880 ROUTE 9Valatie, NY 12184
Mailing Address20 Lewis AveGt Barrington, MA 01230 · (413) 528-1845 · Fax (413) 528-3667
Phone(518) 758-6922
Organization SubpartNo
Authorized OfficialDennis MarcusExecutive Director · (413) 528-1845
Enumeration DateMarch 24, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1003876020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Also ListedPsychologistTaxonomy 103T00000X
Also ListedSocial WorkerTaxonomy 104100000X
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X
2880 ROUTE 9, Valatie, NY 12184
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Dennis Marcus MD PC's NPI number?

The NPI number for Dennis Marcus MD PC is 1003876020. It was assigned to this organization in the NPPES registry on March 24, 2006.

Where is Dennis Marcus MD PC located?

Dennis Marcus MD PC is located at 2880 Route 9, Valatie, NY 12184. The listed phone number is (518) 758-6922.

What is Dennis Marcus MD PC'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 Dennis Marcus MD PC was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.