OrganizationActive
Chicago Rheumatology and Medical Clinic, S.c.
NPI 1285986380 · Clinic/Center · Chicago, IL
Chicago Rheumatology and Medical Clinic, S.c. is a Clinic/Center organization in Chicago, IL (NPI 1285986380).
Provider details
- NPI number
- 1285986380
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Dorothy Bloniarz, M.D.(312) 479-8760
- License
- 036129110 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
5325 W Belmont Ave
Chicago, IL 60641-4104
Phone: (773) 283-5700
Fax: (773) 283-6450
Street-level locationGet directions
Mailing address
5325 W Belmont Ave
Chicago, IL 60641-4104
Registry dates
- Enumerated
- 2012-10-12
- Last updated
- 2013-04-04
Frequently asked questions
- What is Chicago Rheumatology and Medical Clinic, S.c.'s NPI number?
- Chicago Rheumatology and Medical Clinic, S.c.'s National Provider Identifier (NPI) is 1285986380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chicago Rheumatology and Medical Clinic, S.c.?
- Chicago Rheumatology and Medical Clinic, S.c. is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is Chicago Rheumatology and Medical Clinic, S.c. located?
- Chicago Rheumatology and Medical Clinic, S.c.'s practice location on file with NPPES is 5325 W Belmont Ave, Chicago, IL 60641-4104.
- What is Chicago Rheumatology and Medical Clinic, S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Chicago Rheumatology and Medical Clinic, S.c. is (773) 283-5700.
- Who is the authorized official for Chicago Rheumatology and Medical Clinic, S.c.?
- The authorized official listed on Chicago Rheumatology and Medical Clinic, S.c.'s NPPES record is Dorothy Bloniarz, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chicago Rheumatology and Medical Clinic, S.c.'s NPI active?
- Yes — Chicago Rheumatology and Medical Clinic, S.c.'s NPI (1285986380) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.