SYDNEY ANNE MOSIER LMSW
NPI 1649153420
Social Worker in Elmira, NY

Q: What is Sydney Mosier's NPI number?

The NPI number for Sydney Mosier is 1649153420. It was assigned to this individual provider in the NPPES registry on July 29, 2025.

Q: What is Sydney Mosier's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Sydney Mosier was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since July 29, 2025

550 E CHURCH ST STE F2, ELMIRA, NY 14901(607) 734-0980(607) 734-0981 Get Directions Write a Review

NPPES record last updated: July 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Sydney Anne Mosier Lmsw NPPES

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

SYDNEY ANNE MOSIER LMSW (NPI 1649153420) is an individual social worker in Elmira, New York, licensed in New York (127638-01) and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1649153420

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameSYDNEY ANNE MOSIERCredential: LMSW

Location Address550 E CHURCH ST STE F2Elmira, NY 14901-2850

Mailing Address550 E Church St Ste F2Elmira, NY 14901-2850 · (607) 734-0980 · Fax (607) 734-0981

Phone(607) 734-0980

Fax(607) 734-0981

Sole ProprietorNo

Enumeration DateJuly 29, 2025

NPPES CertifiedJuly 29, 2025

✔ NPI 1649153420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in NY · 127638-01

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

550 E CHURCH ST STE F2, Elmira, NY 14901

Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

RACHEL OLIVIA NAGY LMSW

Social Worker

550 E CHURCH ST STE F2
ELMIRA, NY 14901

Chemung County (607) 734-0980

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 Sydney Mosier's NPI number?

The NPI number for Sydney Mosier is 1649153420. It was assigned to this individual provider in the NPPES registry on July 29, 2025.

Where is Sydney Mosier located?

Sydney Mosier practices at 550 E Church St Ste F2, Elmira, NY 14901. The listed phone number is (607) 734-0980.

What is Sydney Mosier's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Sydney Mosier was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.