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MR. WILLIAM ELLSWORTH PERKINS CASAC
NPI 1437401114
Counselor - Addiction (Substance Use Disorder) in New York, NY

Active since October 05, 2012
261 W 35TH ST, SUITE 305, NEW YORK, NY 10001(646) 720-7118(212) 629-7111 Get Directions Write a Review

NPPES record last updated: October 5, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. William Ellsworth Perkins Casac NPPES

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

MR. WILLIAM ELLSWORTH PERKINS CASAC (NPI 1437401114) is an individual addiction (substance use disorder) provider in New York, New York, licensed in New York (11973) and active in the NPI registry since October 2012.

NPPES Registry Identity

NPI1437401114
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. WILLIAM ELLSWORTH PERKINSCredential: CASAC
Location Address261 W 35TH ST, SUITE 305New York, NY 10001-1902
Mailing Address261 W 35th St, Suite 305New York, NY 10001-1902 · (646) 720-7118 · Fax (212) 629-7111
Phone(646) 720-7118
Fax(212) 629-7111
Sole ProprietorNo
Enumeration DateOctober 5, 2012
✔ NPI 1437401114 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in NY · 11973
261 W 35TH ST, New York, NY 10001
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Other Providers at the Same Location NPPES

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

FABIAN GARCIA PHYSICAL THERAPY, P.C.
Physical Therapist
261 W 35TH ST, SUITE 302
NEW YORK, NY 10001
New York County (212) 239-0830

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 Perkins's NPI number?

The NPI number for William Perkins is 1437401114. It was assigned to this individual provider in the NPPES registry on October 5, 2012.

Where is William Perkins located?

William Perkins practices at 261 W 35th St Suite 305, New York, NY 10001. The listed phone number is (646) 720-7118.

What is William Perkins's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for William Perkins was last updated on October 5, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.