Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1043083389 Individual Practitioner Female Practitioner

Dr. Dalia Gefen , PhD

Psychologist • Valley Stream, NY

Professional Overview & Biography Verified Profile Summary

Dr. Dalia Gefen, PhD is a registered healthcare professional specializing in Psychologist in Valley Stream, NY. Practice services are available at 437 ROCKAWAY AVE STE 4 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

437 Rockaway Ave Ste 4

Valley Stream, NY 115811904

Telephone 3476882855
Associated Practice Facility / Clinic
🏢 Gefen Psychology Pllc Facility NPI 1235095324

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Valley Stream, NY

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 34.0 Yrs
State Avg: 30.1 Yrs
Regional Practice Density
8 Specialists

Practicing in Valley Stream, NY (5379 Statewide)

Telehealth Adoption Rate
12.5% 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

CMS Verified: 2026-01-14
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License NY 019826

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location January 14, 2026

Registered at 437 ROCKAWAY AVE STE 4, VALLEY STREAM, NY 115811904 (Tel: 3476882855)

📍
Updated Business Mailing Address January 14, 2026

Registered at 437 ROCKAWAY AVE STE 4, VALLEY STREAM, NY 115811904 (Tel: 3476882855)

NPI Profile Active October 30, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location October 30, 2023

Registered at 1517 BROADWAY, HEWLETT, NY 115571427 (Tel: 5166393676)

📍
Updated Business Mailing Address October 30, 2023

Registered at 1517 BROADWAY, HEWLETT, NY 115571427 (Tel: 5166393676)

👤
Provider Name / Credentials Updated October 30, 2023

Recorded as DALIA GEFEN, PH.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 30, 2023

Psychologist (License #019826 in NY)

🟢
Initial NPI Registration & Enumeration October 30, 2023

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Dalia Gefen. Be the first to share your experience!

Sign in to leave a review for Dr. Dalia Gefen

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1043083389
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 30, 2023
Last Update: January 14, 2026
Sole Proprietor: Yes

Mailing Address

437 Rockaway Ave Ste 4

Valley Stream, NY 115811904

Phone: 3476882855

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.