CLARE CROSH D.O.
NPI 1396125720
Pediatrics in Oak Lawn, IL
About Clare Crosh D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLARE CROSH D.O. (NPI 1396125720) is an individual pediatrics provider in Oak Lawn, Illinois, licensed in Illinois (036.146316) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Clare Crosh D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Clare Crosh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
OAK LAWN, IL 60453
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 Clare Crosh's NPI number?
The NPI number for Clare Crosh is 1396125720. It was assigned to this individual provider in the NPPES registry on June 1, 2015.
Where is Clare Crosh located?
Clare Crosh practices at 4220 W 95th St Ste 210, Oak Lawn, IL 60453. The listed phone number is (312) 949-4200.
What is Clare Crosh's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Clare Crosh enrolled in Medicare?
Yes. Clare Crosh is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Clare Crosh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clare Crosh reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Clare Crosh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clare Crosh accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, CareSource and Oscar Health list Clare Crosh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Clare Crosh was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Clare Crosh, D.O. · NPI 1396125720
Pediatrics physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since June 1, 2015.
## Identity
- **NPI:** 1396125720 (Entity type: Individual)
- **Enumerated:** June 1, 2015
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036.146316 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4220 W 95TH ST STE 210, Oak Lawn, IL 60453-2793
- **Phone:** (312) 949-4200 · **Fax:** (708) 423-1899
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1396125720) · Data from the CMS NPPES public registry.