Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MS. OLGA MARYAMCHIK LMSW, LMT
NPI 1588585244
Social Worker in New York, NY

Active since July 21, 2026
155 E 4TH ST APT 10G, NEW YORK, NY 10009(646) 964-3675 Get Directions Write a Review

NPPES record added: July 24, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Olga Maryamchik Lmsw, Lmt NPPES

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

MS. OLGA MARYAMCHIK LMSW, LMT (NPI 1588585244) is an individual social worker in New York, New York, licensed in New York (077536) and active in the NPI registry since July 2026. She maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1588585244
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. OLGA MARYAMCHIKCredential: LMSW, LMT
Location Address155 E 4TH ST APT 10GNew York, NY 10009-7353
Mailing Address155 E 4th St Apt 10gNew York, NY 10009-7353
Sole ProprietorYes
Enumeration DateJuly 21, 2026
Last NPPES UpdateJuly 24, 2026
NPPES CertifiedJuly 24, 2026
NPI 1588585244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in NY · 077536
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.

Also ListedMassage TherapistTaxonomy 225700000X · License 028121 (NY)
155 E 4TH ST APT 10G, New York, NY 10009

Secondary Practice Location 1

Location 1103 E 2nd St Fl 2Brooklyn, NY 11218-1407 · Phone (646) 964-3675

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 Olga Maryamchik's NPI number?

The NPI number for Olga Maryamchik is 1588585244. It was assigned to this individual provider in the NPPES registry on July 21, 2026.

Where is Olga Maryamchik located?

Olga Maryamchik practices at 155 E 4th St Apt 10G, New York, NY 10009. The listed phone number is (646) 964-3675.

What is Olga Maryamchik'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 Olga Maryamchik was last updated on July 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.