Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RREM INC
NPI 1649668039
Durable Medical Equipment & Medical Supplies - Oxygen Equipment & Supplies in Chicago, IL

Q: What is Rrem Inc's NPI number?

The NPI number for Rrem Inc is 1649668039. It was assigned to this organization in the NPPES registry on January 7, 2015.

Q: What is Rrem Inc's specialty?

The primary specialty registered for this NPI is Durable Medical Equipment & Medical Supplies, specializing in Oxygen Equipment & Supplies, with taxonomy code 332BX2000X.

Q: When was this NPI record last updated?

The NPPES record for Rrem Inc was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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 January 07, 2015

2155 W PIERCE AVE, CHICAGO, IL 60622(773) 252-2066 Get Directions Write a Review

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

Record update history: Jul 16, 2026, Aug 8, 2019 (2 updates tracked since 2019).

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About Rrem Inc NPPES

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

RREM INC (NPI 1649668039) is a healthcare organization registered as an oxygen equipment & supplies in Chicago, Illinois and active in the NPI registry since January 2015. The organization lists Marvin Mermelstein, President, as its authorized official.

NPPES Registry Identity

NPI1649668039

Entity TypeOrganization

Primary Taxonomy332BX2000X

Legal Business NameRREM INC

Location Address2155 W PIERCE AVEChicago, IL 60622-1884

Mailing Address6500 N Hamlin AveLincolnwood, IL 60712-3904

Phone(773) 252-2066

Organization SubpartNo

Authorized OfficialMarvin MermelsteinPresident · (847) 679-7484

Enumeration DateJanuary 7, 2015

Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1649668039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDurable Medical Equipment & Medical Supplies · Oxygen Equipment & SuppliesSuppliers

Taxonomy Code332BX2000X

2155 W PIERCE AVE, Chicago, IL 60622

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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 Rrem Inc's NPI number?

The NPI number for Rrem Inc is 1649668039. It was assigned to this organization in the NPPES registry on January 7, 2015.

Where is Rrem Inc located?

Rrem Inc is located at 2155 W Pierce Ave, Chicago, IL 60622. The listed phone number is (773) 252-2066.

What is Rrem Inc's specialty?

The primary specialty registered for this NPI is Durable Medical Equipment & Medical Supplies, specializing in Oxygen Equipment & Supplies, with taxonomy code 332BX2000X.

When was this NPI record last updated?

The NPPES record for Rrem Inc was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.