MR. MARCUS OLSZOWY
NPI 1356701239
Social Worker in Salem, MA

Active since March 04, 2016
110 BOSTON ST, SALEM, MA 01970(978) 219-1569 Get Directions Write a Review

NPPES record last updated: April 15, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Marcus Olszowy NPPES

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

MR. MARCUS OLSZOWY (NPI 1356701239) is an individual social worker in Salem, Massachusetts and active in the NPI registry since March 2016.

NPPES Registry Identity

NPI1356701239
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. MARCUS OLSZOWY
Location Address110 BOSTON STSalem, MA 01970-1402
Mailing Address110 Boston StSalem, MA 01970-1402 · (978) 219-1569
Sole ProprietorYes
Enumeration DateMarch 4, 2016
Last NPPES UpdateApril 15, 2016
NPI 1356701239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
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.
110 BOSTON ST, Salem, MA 01970

Other Providers at the Same Location NPPES 20

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

Counselor (Mental Health)
110 BOSTON ST
SALEM, MA 01970
Social Worker
110 BOSTON ST
SALEM, MA 01970
Counselor
110 BOSTON ST
SALEM, MA 01970
Counselor
110 BOSTON ST
SALEM, MA 01970
Counselor (Mental Health)
110 BOSTON ST
SALEM, MA 01970
Counselor (Mental Health)
110 BOSTON ST
SALEM, MA 01970
Counselor (Mental Health)
110 BOSTON ST
SALEM, MA 01970
Counselor (Mental Health)
110 BOSTON ST
SALEM, MA 01970

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 Marcus Olszowy's NPI number?

The NPI number for Marcus Olszowy is 1356701239. It was assigned to this individual provider in the NPPES registry on March 4, 2016.

Where is Marcus Olszowy located?

Marcus Olszowy practices at 110 Boston St, Salem, MA 01970. The listed phone number is (978) 219-1569.

What is Marcus Olszowy'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 Marcus Olszowy was last updated on April 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.