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HAROLD SEQUEIRA LCSW-R
NPI 1922169390
Counselor - Addiction (Substance Use Disorder) in Smithtown, NY

Active since December 12, 2006PECOS Enrolled
11 ROUTE 111, SMITHTOWN, NY 11787(631) 920-8310 Get Directions Write a Review

NPPES record last updated: March 12, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Harold Sequeira Lcsw-r NPPES

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

HAROLD SEQUEIRA LCSW-R (NPI 1922169390) is an individual addiction (substance use disorder) provider in Smithtown, New York, licensed in New York (R051591-1) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1922169390
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameHAROLD SEQUEIRACredential: LCSW-R
Location Address11 ROUTE 111Smithtown, NY 11787-3754
Mailing Address11 Route 111Smithtown, NY 11787-3754 · (631) 920-8310
Phone(631) 920-8310
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateDecember 12, 2006
Last NPPES UpdateMarch 12, 2025
NPPES CertifiedMarch 12, 2025
✔ NPI 1922169390 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 · R051591-1
11 ROUTE 111, Smithtown, NY 11787
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harold Sequeira Lcsw-r is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406956945
PECOS Enrollment IDI20070712000331
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Harold Sequeira reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Welllife Network Inc.
9.8 mi
Case Management
3600 ROUTE 112
Coram, NY 11727
  • Reassigned Medicare billing, New York enrollment
  • 49 clinicians in this Medicare group
NPI 1386817906 (631) 920-8302

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Group psychotherapy 90853
Group psychotherapy involves individuals discussing their issues in a group setting, led by a professional therapist. It provides a supportive environment where members can learn from each other's experiences, gain different perspectives, and develop new ways to handle challenges.
82 services11 patients

Other Providers at the Same Location NPPES 20

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

MR. KEVFOY LENROY FLETCHER MASTERS IN SOCIAL WK
Counselor
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8303
STEPHANIE GRANATA
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
LAURA CARRANO
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8306
GAYLE MCCARTHY LCSW
Social Worker (Clinical)
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
VAISHNAVI VADDIGIRI M.D.
Psychiatry & Neurology (Psychiatry)
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8300
ALICIA MERCADO
Case Manager/Care Coordinator
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8346
AMANDA M COSTA
Case Manager/Care Coordinator
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8303
PAMELA PAGONES
Student in an Organized Health Care Education/Training Program
11 ROUTE 111
SMITHTOWN, NY 11787
Suffolk County (631) 920-8306

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 Harold Sequeira's NPI number?

The NPI number for Harold Sequeira is 1922169390. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Harold Sequeira located?

Harold Sequeira practices at 11 Route 111, Smithtown, NY 11787. The listed phone number is (631) 920-8310.

What is Harold Sequeira's specialty?

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

Is Harold Sequeira enrolled in Medicare?

Yes. Harold Sequeira is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Harold Sequeira's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harold Sequeira reassigns Medicare benefits to Welllife Network Inc. (Coram, NY). The 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 Harold Sequeira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Harold Sequeira was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.