KELLY REILLY LMHC
NPI 1992406938
Counselor - Mental Health in Islip, NY

Q: What is Kelly Reilly's NPI number?

The NPI number for Kelly Reilly is 1992406938. It was assigned to this individual provider in the NPPES registry on March 16, 2023. The provider is also known as Kelly Guerriero Lmhc-Dp.

Q: What is Kelly Reilly's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Kelly Reilly was last updated on January 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since March 16, 2023

435 MAIN ST, ISLIP, NY 11751(929) 483-3885 Get Directions Write a Review

NPPES record last updated: January 1, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 1, 2026, Jul 13, 2023, May 31, 2023 and 1 more (4 updates tracked since 2023).

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About Kelly Reilly Lmhc NPPES

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

KELLY REILLY LMHC (NPI 1992406938) is an individual mental health provider in Islip, New York, licensed in New York (013601) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1992406938

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameKELLY REILLYCredential: LMHC

Location Address435 MAIN STIslip, NY 11751-3536

Mailing Address435 Main StIslip, NY 11751-3536 · (929) 483-3885

Phone(929) 483-3885

Sole ProprietorYes

Enumeration DateMarch 16, 2023

Last NPPES UpdateJanuary 1, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 1, 2026

✔ NPI 1992406938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in NY · 013601

435 MAIN ST, Islip, NY 11751

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Other Names 1

Former Name (1)Kelly Guerriero Lmhc-dp

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

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 Kelly Reilly's NPI number?

The NPI number for Kelly Reilly is 1992406938. It was assigned to this individual provider in the NPPES registry on March 16, 2023. The provider is also known as Kelly Guerriero Lmhc-Dp.

Where is Kelly Reilly located?

Kelly Reilly practices at 435 Main St, Islip, NY 11751. The listed phone number is (929) 483-3885.

What is Kelly Reilly's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Kelly Reilly accept?

Health plans from Oscar Health Maintenance Organization of Florida list Kelly Reilly as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kelly Reilly was last updated on January 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.