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

SADIE MERCER MSN, PMHNP-BC
NPI 1568385722
Nurse Practitioner - Psychiatric/Mental Health in New York, NY

Q: What is Sadie Mercer's NPI number?

The NPI number for Sadie Mercer is 1568385722. It was assigned to this individual provider in the NPPES registry on August 3, 2026.

Q: What is Sadie Mercer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Sadie Mercer was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 August 03, 2026

125 E 23RD ST STE 600, NEW YORK, NY 10010(347) 525-8515 Get Directions Write a Review

NPPES record added: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Sadie Mercer Msn, Pmhnp-bc NPPES

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

SADIE MERCER MSN, PMHNP-BC (NPI 1568385722) is an individual psychiatric/mental health provider in New York, New York, licensed in New York (408961) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1568385722

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameSADIE MERCERCredential: MSN, PMHNP-BC

Location Address125 E 23RD ST STE 600New York, NY 10010-4580

Mailing Address236 S 2nd St Fl 4Brooklyn, NY 11211-5483 · (919) 308-8508

Phone(347) 525-8515

Sole ProprietorYes

Enumeration DateAugust 3, 2026

NPPES CertifiedAugust 3, 2026

✔ NPI 1568385722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in NY · 408961

125 E 23RD ST STE 600, New York, NY 10010

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

CARLY COHEN

Social Worker (Clinical)

125 E 23RD ST STE 600
NEW YORK, NY 10010

New York County (646) 650-2026

MR. SHANNON EUGENE CARROLL

Nurse Practitioner (Psychiatric/Mental Health)

125 E 23RD ST STE 600
NEW YORK, NY 10010

New York County (347) 525-8515

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 Sadie Mercer's NPI number?

The NPI number for Sadie Mercer is 1568385722. It was assigned to this individual provider in the NPPES registry on August 3, 2026.

Where is Sadie Mercer located?

Sadie Mercer practices at 125 E 23rd St Ste 600, New York, NY 10010. The listed phone number is (347) 525-8515.

What is Sadie Mercer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Sadie Mercer was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.