4621 Corporation
NPI 1871580126 · Skilled Nursing Facility · Chicago, IL
Enrolled with Medicare as Part a Provider - Skilled Nursing Facility · source: CMS PECOS Public Provider Enrollment (2026.04.01)
4621 Corporation is a Skilled Nursing Facility organization in Chicago, IL (NPI 1871580126).
Provider details
- NPI number
- 1871580126
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Peter Obrien, President(312) 787-9400
- License
- 0023770
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Other names (DBA / former)
- Doing business as
- Mado Healthcare - Uptown
Registry dates
- Enumerated
- 2005-10-03
- Last updated
- 2019-04-08
Frequently asked questions
- What is 4621 Corporation's NPI number?
- 4621 Corporation's National Provider Identifier (NPI) is 1871580126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is 4621 Corporation?
- 4621 Corporation is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is 4621 Corporation located?
- 4621 Corporation's practice location on file with NPPES is 4621 N Racine Ave, Chicago, IL 60640-4905.
- What is 4621 Corporation's phone number?
- The practice phone number listed in the NPPES registry for 4621 Corporation is (773) 784-2300.
- Does 4621 Corporation accept Medicare?
- 4621 Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for 4621 Corporation?
- The authorized official listed on 4621 Corporation's NPPES record is Peter Obrien, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is 4621 Corporation's NPI active?
- Yes — 4621 Corporation's NPI (1871580126) is active in the NPPES registry as of the last update on 2019-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.