Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

FIONA ELIZABETH SERGEANT
NPI 1629902408
Counselor - Mental Health in New York, NY

Active since June 09, 2026
333 E 79TH ST, NEW YORK, NY 10075(917) 677-0773 Get Directions Write a Review

NPPES record added: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Fiona Elizabeth Sergeant NPPES

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

FIONA ELIZABETH SERGEANT (NPI 1629902408) is an individual mental health provider in New York, New York and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1629902408
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameFIONA ELIZABETH SERGEANT
Location Address333 E 79TH STNew York, NY 10075-0956
Mailing Address238 County Route 10Germantown, NY 12526-5013
Sole ProprietorNo
Enumeration DateJune 9, 2026
NPPES CertifiedJune 9, 2026
NPI 1629902408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
333 E 79TH ST, New York, NY 10075

Other Providers at the Same Location NPPES 3

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

Specialist
333 E 79TH ST
NEW YORK, NY 10075
Physical Therapist
333 E 79TH ST, #1T
NEW YORK, NY 10075
Social Worker (Clinical)
333 E 79TH ST
NEW YORK, NY 10075

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 Fiona Sergeant's NPI number?

The NPI number for Fiona Sergeant is 1629902408. It was assigned to this individual provider in the NPPES registry on June 9, 2026.

Where is Fiona Sergeant located?

Fiona Sergeant practices at 333 E 79th St, New York, NY 10075. The listed phone number is (917) 677-0773.

What is Fiona Sergeant's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Fiona Sergeant was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.