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© 2026 NPI Telehealth

US Registry Operational
CMS Source

Informational purposes only — not medical advice. Always consult a professional. Data updated weekly. Read full disclaimer.

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Online Doctors in EAST ISLIP, NY | Telehealth & Virtual Care | NPI Telehealth | NPI Telehealth
LOCAL HEALTHCARE DIRECTORY 2026

DOCTORS IN
EAST ISLIP.

Find and book verified care in EAST ISLIP, NY. Access NPI credentials sourced from federal records, patient ratings, and virtual care availability.

Data refreshed: April 12, 2026•Source: CMS NPPES

PROVIDERS

Active medical practitioners in EAST ISLIP jurisdiction.

11 ENTRIES FOUND
NPI: 1992792915
VIRTUAL ACTIVE

Maria E Vaccari, DO

DO

NPI DATA 2026
East Islip, NY
New York Institute of Technology College of Osteopathic Medicine (1988)
21+ Years Exp.
ACCESS PROFILE
NPI: 1972529253
VIRTUAL ACTIVE

Margaret Fitzgerald-Cowlishaw, LCSW

LCSW

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1922069012
VIRTUAL ACTIVE

Vikas V Desai, MD

MD

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1821029026
VIRTUAL ACTIVE

Jay B Stambler, M.D.

M.D.

NPI DATA 2026
East Islip, NY
NYU Grossman School of Medicine (1977)
20+ Years Exp.
ACCESS PROFILE
NPI: 1750300844
VIRTUAL ACTIVE

Clifford Issacoff, PH D

PH D

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
20+ Years Exp.
ACCESS PROFILE
NPI: 1730809773
VIRTUAL ACTIVE

RICHARD MICHAEL CASTELLINO

Healthcare Provider

NPI DATA 2026
EAST ISLIP, NY
OTHER (2022)
4+ Years Exp.
ACCESS PROFILE
NPI: 1730183013
VIRTUAL ACTIVE

James W Ferguson, MD

MD

NPI DATA 2026
East Islip, NY
SUNY Downstate Health Sciences University (1981)
21+ Years Exp.
ACCESS PROFILE
NPI: 1538818125
VIRTUAL ACTIVE

Lauri Ann Balter, LCSW

LCSW

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
4+ Years Exp.
ACCESS PROFILE
NPI: 1508962002
VIRTUAL ACTIVE

Tracy Onal, D.O.

D.O.

NPI DATA 2026
East Islip, NY
New York Institute of Technology College of Osteopathic Medicine (1995)
20+ Years Exp.
ACCESS PROFILE
NPI: 1487237301
VIRTUAL ACTIVE

Maryellen Adams

Healthcare Provider

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
5+ Years Exp.
ACCESS PROFILE
NPI: 1396479135
VIRTUAL ACTIVE

Elizabeth Ann Scoyne, LCMHC

LCMHC

NPI DATA 2026
East Islip, NY
OFFICIAL REGISTRY DATA
4+ Years Exp.
ACCESS PROFILE

Specialties in EAST ISLIP

CounselorsFamily MedicinesInternal MedicinesNeuromusculoskeletal Medicine, Sports MedicinesPsychologistsSocial Workers

Find Doctors in EAST ISLIP

Looking for verified medical care in EAST ISLIP? Choosing a new doctor is a critical decision. Whether you need a routine check-up or specialized treatment, we provide the tools to compare professionals based on federal registry data.

Our directory only displays providers who are actively practicing in EAST ISLIP, ensuring you receive current and accurate local information.

Institutional Data Integrity

Every provider on NPI Telehealth is sourced from the National Plan and Provider Enumeration System (NPPES). We display data from licensed, active professionals in the federal registry.

NPI-REGISTERED PROVIDERS
REAL-TIME REGISTRY UPDATES