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Active NPI 1770755340 Individual Practitioner Female Practitioner

Nina Ythier , LCSW

Social Worker • Ossining, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Nina Ythier, LCSW is a certified Social Worker practicing in Ossining, NY. With approximately 21 years of clinical experience since completing medical education in 2005, Nina Ythier delivers high-quality medical care to the local community at 17 DERBY LN.

Nina Ythier is affiliated with Nina Ythier Lcsw Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include psychotherapy, psychiatric diagnostic evaluation. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

17 Derby Ln

Ossining, NY 105622702

Telephone 9144267789
Associated Practice Facility / Clinic
🏢 Nina Ythier Lcsw Pc Facility NPI 1477210284

Medicare Profile & Education

Medical School

Other

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Ossining, NY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs -6.0 yrs vs City Avg
City Avg: 27.0 Yrs
State Avg: 20.1 Yrs
Regional Practice Density
11 Specialists

Practicing in Ossining, NY (23970 Statewide)

Telehealth Adoption Rate
9.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
53.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ythier (21 Years) 21 Yrs
Ossining Specialty Average (27.0 Years) 27.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
90837 Psychotherapy, 60 minutes
1,056 24 $270.00 $124.54

Medical Specialties & State Licenses

CMS Verified: 2026-04-08
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License NY 0763831

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Agency Npi
1285628552 (NY)

Hospital & Practice Group Affiliations

Nina Ythier Lcsw Pc

118 N 9th Ave, Mount Vernon, NY 105501290

Phone: 9144267789

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Sarah Gonel

Local Education Agency (LEA)

NPI 1427930403

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location April 08, 2026

Registered at 17 DERBY LN, OSSINING, NY 105622702 (Tel: 9144267789)

📍
Updated Business Mailing Address April 08, 2026

Registered at 17 DERBY LN, OSSINING, NY 105622702 (Tel: 9144267789)

👤
Provider Name / Credentials Updated April 08, 2026

Recorded as NINA YTHIER, LCSW

NPI Profile Active February 22, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location February 22, 2013

Registered at 70 GRAND ST, NEW ROCHELLE, NY 108015606 (Tel: 9146364440)

📍
Updated Business Mailing Address February 22, 2013

Registered at 70 GRAND ST, NEW ROCHELLE, NY 108015606 (Tel: 9146364440)

👤
Provider Name / Credentials Updated February 22, 2013

Recorded as NINA YTHIER, LMSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2013

Social Worker (License #0763831 in NY)

🟢
Initial NPI Registration & Enumeration March 24, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1770755340
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 24, 2008
Last Update: April 08, 2026
Sole Proprietor: No

Mailing Address

17 Derby Ln

Ossining, NY 105622702

Phone: 9144267789

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.