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Deactivated NPI 1215427232 Deactivated / Inactive NPI Male Practitioner

Ephraim Solomon Himelstein , MS SPED

Behavior Analyst • West Hempstead, NY

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Ephraim Himelstein has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date May 15, 2018
NPI Deactivation Date April 30, 2026
Total Practice Duration ~8 Years of Practice (2018 – 2026)

Professional Overview & Biography Verified Profile Summary

Ephraim Himelstein, MS SPED was a registered Behavior Analyst practicing in West Hempstead, NY. Throughout an active medical career spanning 8 years, Ephraim Himelstein provided care at the practice location at 383 MCKINLEY ST until profile deactivation on 2026-04-30.

Practice Location & Contact Primary Location

Practice Address

383 Mckinley St

West Hempstead, NY 115522740

Telephone 6465935813

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in West Hempstead, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 15.6 Yrs
Regional Practice Density
10 Specialists

Practicing in West Hempstead, NY (5252 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

State License NY 755441

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
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NPI Profile Deactivated April 30, 2026

Record deactivated on April 30, 2026

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Medical Taxonomy / Specialty Registered (Primary Specialty) February 12, 2019

Specialist (License #755441 in NY)

NPI Profile Active May 15, 2018

NPI status registered as active in NPPES database

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Updated Practice Location May 15, 2018

Registered at 383 MCKINLEY ST, WEST HEMPSTEAD, NY 115522740 (Tel: 6465935813)

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Updated Business Mailing Address May 15, 2018

Registered at 383 MCKINLEY ST, WEST HEMPSTEAD, NY 115522740 (Tel: 6465935813)

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Provider Name / Credentials Updated May 15, 2018

Recorded as EPHRAIM HIMELSTEIN, MS SPED

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Medical Taxonomy / Specialty Registered (Primary Specialty) May 15, 2018

Behavior Analyst (License #755441 in NY)

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Initial NPI Registration & Enumeration May 15, 2018

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1215427232
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 15, 2018
Last Update: May 15, 2018
Deactivation Date: April 30, 2026

Mailing Address

383 Mckinley St

West Hempstead, NY 115522740

Phone: 6465935813

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.