OrganizationActive
Rrem Inc
NPI 1649668039 · Oxygen Equipment & Supplies (DME) · Chicago, IL
Rrem Inc is a Oxygen Equipment & Supplies (DME) organization in Chicago, IL (NPI 1649668039).
Provider details
- NPI number
- 1649668039
- Entity type
- Organization
- Primary specialty
- Oxygen Equipment & Supplies (DME)Suppliers
- Organization subpart
- No
- Authorized official
- Marvin Mermelstein, President(847) 679-7484
Specialties & taxonomies
Suppliers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2155 W Pierce Ave
Chicago, IL 60622-1884
Phone: (773) 252-2066
Street-level locationGet directions
Mailing address
6500 N Hamlin Ave
Lincolnwood, IL 60712-3904
Other names (DBA / former)
- Doing business as
- Winston Manor
- Doing business as
- Winston Manor
Registry dates
- Enumerated
- 2015-01-07
- Last updated
- 2019-08-08
Frequently asked questions
- What is Rrem Inc's NPI number?
- Rrem Inc's National Provider Identifier (NPI) is 1649668039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rrem Inc?
- Rrem Inc is classified in the NPPES registry as Oxygen Equipment & Supplies (DME) (Suppliers).
- Where is Rrem Inc located?
- Rrem Inc's practice location on file with NPPES is 2155 W Pierce Ave, Chicago, IL 60622-1884.
- What is Rrem Inc's phone number?
- The practice phone number listed in the NPPES registry for Rrem Inc is (773) 252-2066.
- Who is the authorized official for Rrem Inc?
- The authorized official listed on Rrem Inc's NPPES record is Marvin Mermelstein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rrem Inc's NPI active?
- Yes — Rrem Inc's NPI (1649668039) is active in the NPPES registry as of the last update on 2019-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.