WESTCHESTER PSYCHIATRIC ASSOCIATES, PLLC
NPI 1992004477
Psychiatry & Neurology - Psychiatry in Tarrytown, NY

Q: What is Westchester Psychiatric Associates, PLLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since March 23, 2011

120 WHITE PLAINS RD STE 420, TARRYTOWN, NY 10591(914) 909-5838(914) 909-5840 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Westchester Psychiatric Associates, Pllc NPPES

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

WESTCHESTER PSYCHIATRIC ASSOCIATES, PLLC (NPI 1992004477) is a healthcare organization registered as a psychiatry in Tarrytown, New York and active in the NPI registry since March 2011. The organization lists Larry Torrisi, Treasurer, as its authorized official.

NPPES Registry Identity

NPI1992004477

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameWESTCHESTER PSYCHIATRIC ASSOCIATES, PLLC

Location Address120 WHITE PLAINS RD STE 420Tarrytown, NY 10591-5522

Mailing Address120 White Plains Rd Ste 420Tarrytown, NY 10591-5522 · (914) 909-5838 · Fax (914) 909-5840

Phone(914) 909-5838

Fax(914) 909-5840

Organization SubpartNo

Authorized OfficialLarry TorrisiTreasurer · (914) 909-5838

Enumeration DateMarch 23, 2011

Last NPPES UpdateOctober 15, 2025

NPPES CertifiedOctober 15, 2025

✔ NPI 1992004477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in NY · 232048

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

120 WHITE PLAINS RD STE 420, Tarrytown, NY 10591

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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Westchester Psychiatric Associates, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Westchester Psychiatric Associates, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Stephen Sullivan, MD

Psychiatry

NPI 1891738597

120 WHITE PLAINS RD STE 420
Tarrytown, NY 10591

(914) 909-5838

✔ PECOS✔ Accepts MedicareSame address

Larry Torrisi, LCSW

Clinical Social Worker

NPI 1699847756

95 GRASSLANDS RD ROOM#N326
Valhalla, NY 10595

(914) 493-7546

✔ PECOS✔ Accepts Medicare2.9 mi

Charles Kandalaft, MD

Psychiatry

NPI 1467499798

NYMC BEHAVIORAL HEALTH CENTER N312
Valhalla, NY 10595

(914) 493-7124

✔ PECOS✔ Accepts Medicare3.0 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Westchester Psychiatric Associates, PLLC's NPI number?

The NPI number for Westchester Psychiatric Associates, PLLC is 1992004477. It was assigned to this organization in the NPPES registry on March 23, 2011.

Where is Westchester Psychiatric Associates, PLLC located?

Westchester Psychiatric Associates, PLLC is located at 120 White Plains Rd Ste 420, Tarrytown, NY 10591. The listed phone number is (914) 909-5838.

What is Westchester Psychiatric Associates, PLLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Westchester Psychiatric Associates, PLLC enrolled in Medicare?

Yes. Westchester Psychiatric Associates, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Westchester Psychiatric Associates, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Westchester Psychiatric Associates, PLLC, in Clinical Social Worker and Psychiatry. A 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 the clinician's services. Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Westchester Psychiatric Associates, PLLC was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.