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

DR. MARGARET J YOON MD
NPI 1205970464
Psychiatry & Neurology - Child & Adolescent Psychiatry in New York, NY

Q: What is Margaret Yoon's NPI number?

The NPI number for Margaret Yoon is 1205970464. It was assigned to this individual provider in the NPPES registry on February 19, 2007.

Q: What is Margaret Yoon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Yoon was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 19, 2007

174 E 74TH ST APT 1A, NEW YORK, NY 10021(646) 484-8840(646) 777-1801 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 21, 2026, Nov 1, 2016 (2 updates tracked since 2016).

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About Dr. Margaret J Yoon Md NPPES

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

DR. MARGARET J YOON MD (NPI 1205970464) is an individual child & adolescent psychiatry provider in New York, New York, licensed in New York (257685) and active in the NPI registry since February 2007. She maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1205970464

Entity TypeIndividualFemale

Primary Taxonomy2084P0804X

Provider Legal NameDR. MARGARET J YOONCredential: MD

Location Address174 E 74TH ST APT 1ANew York, NY 10021-3534

Mailing Address174 E 74th St Apt 1aNew York, NY 10021-3534 · (646) 484-8840 · Fax (646) 777-1801

Phone(646) 484-8840

Fax(646) 777-1801

Sole ProprietorYes

Enumeration DateFebruary 19, 2007

Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration

NPPES CertifiedAugust 21, 2026

✔ NPI 1205970464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in NY · 257685

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 222584 (MA)

174 E 74TH ST APT 1A, New York, NY 10021

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Secondary Practice Location 1

Location 129 W 38th St Fl 10New York, NY 10018-5665 · Phone (646) 484-8840

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 Margaret Yoon's NPI number?

The NPI number for Margaret Yoon is 1205970464. It was assigned to this individual provider in the NPPES registry on February 19, 2007.

Where is Margaret Yoon located?

Margaret Yoon practices at 174 E 74th St Apt 1A, New York, NY 10021. The listed phone number is (646) 484-8840.

What is Margaret Yoon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for Margaret Yoon was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.