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

DR. MAISIE CHOU CHAFFIN PSY.D.
NPI 1275676876
Psychologist - Clinical in New York, NY

Active since February 14, 2007
352 7TH AVE RM 1604, NEW YORK, NY 10001(917) 593-4001 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 9, 2026, Feb 11, 2019 (2 updates tracked since 2019).

About Dr. Maisie Chou Chaffin Psy.d. NPPES

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

DR. MAISIE CHOU CHAFFIN PSY.D. (NPI 1275676876) is an individual clinical provider in New York, New York, licensed in New York (017991) and active in the NPI registry since February 2007. She maintains a secondary practice location in Montclair.

NPPES Registry Identity

NPI1275676876
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MAISIE CHOU CHAFFINCredential: PSY.D.
Location Address352 7TH AVE RM 1604New York, NY 10001-5012
Mailing Address51 Ardsley RdMontclair, NJ 07042-5033 · (917) 593-4001
Phone(917) 593-4001
Sole ProprietorYes
Enumeration DateFebruary 14, 2007
Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1275676876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in NY · 017991✔ Licensed in NJ · 35SI00635900
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
352 7TH AVE RM 1604, New York, NY 10001
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Secondary Practice Location 1

Location 180 Park St Fl 2Montclair, NJ 07042-2904 · Phone (917) 593-4001

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CEDAR PSYCHOTHERAPY LCSW PLLC
Social Worker (Clinical)
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (646) 510-0486
ZHE YU
Counselor (Mental Health)
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (860) 469-5963
MR. JONATHAN SIBLEY LCSW
Social Worker (Clinical)
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (646) 970-3630
TOUCHSTONE PSYCHOLOGY, PLLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (201) 777-1807
RIVERBANK PSYCHOTHERAPY
Counselor (Mental Health)
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (917) 683-1107
DR. RICHARD WILLIAM SCHAEDLE DSW
Social Worker (Clinical)
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (347) 543-3234
DR. IRINA A WEN PH.D.
Psychologist
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (646) 455-3449
YUTING WANG
Student in an Organized Health Care Education/Training Program
352 7TH AVE RM 1604
NEW YORK, NY 10001
New York County (860) 469-5963

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 Maisie Chou Chaffin's NPI number?

The NPI number for Maisie Chou Chaffin is 1275676876. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Maisie Chou Chaffin located?

Maisie Chou Chaffin practices at 352 7th Ave Rm 1604, New York, NY 10001. The listed phone number is (917) 593-4001.

What is Maisie Chou Chaffin's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Maisie Chou Chaffin was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.