Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ELEANOR SOPHIE PORTNOY PSY.D
NPI 1265298962
Psychologist in New York, NY

Active since February 21, 2024PECOS Enrolled
83 MAIDEN LN, NEW YORK, NY 10038(212) 780-4491(510) 847-5879 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Eleanor Sophie Portnoy Psy.d NPPES

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

ELEANOR SOPHIE PORTNOY PSY.D (NPI 1265298962) is an individual psychologist in New York, New York, licensed in New York (028410) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265298962
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameELEANOR SOPHIE PORTNOYCredential: PSY.D
Location Address83 MAIDEN LNNew York, NY 10038-4812
Mailing Address1619 3rd Ave Apt 4eNew York, NY 10128-3460 · (510) 847-5879 · Fax (510) 847-5879
Fax(510) 847-5879
Sole ProprietorNo
Enumeration DateFebruary 21, 2024
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1265298962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in NY · 028410
Definition
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.
83 MAIDEN LN, New York, NY 10038

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eleanor Sophie Portnoy Psy.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Counselor (Addiction (Substance Use Disorder))
83 MAIDEN LN, 6TH FLOOR
NEW YORK, NY 10038
Counselor (Addiction (Substance Use Disorder))
83 MAIDEN LN, 6TH FLOOR
NEW YORK, NY 10038
Social Worker
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker
83 MAIDEN LN
NEW YORK, NY 10038
Occupational Therapist
83 MAIDEN LN
NEW YORK, NY 10038
Psychologist (Clinical Child & Adolescent)
83 MAIDEN LN
NEW YORK, NY 10038
Student in an Organized Health Care Education/Training Program
83 MAIDEN LN
NEW YORK, NY 10038
Student in an Organized Health Care Education/Training Program
83 MAIDEN LN
NEW YORK, NY 10038

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 Eleanor Portnoy's NPI number?

The NPI number for Eleanor Portnoy is 1265298962. It was assigned to this individual provider in the NPPES registry on February 21, 2024.

Where is Eleanor Portnoy located?

Eleanor Portnoy practices at 83 Maiden Ln, New York, NY 10038. The listed phone number is (212) 780-4491.

What is Eleanor Portnoy's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Eleanor Portnoy enrolled in Medicare?

Yes. Eleanor Portnoy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eleanor Portnoy was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.