DR. KAREN CARVALHO MD
NPI 1821595828
Pediatrics - Pediatric Cardiology in Oak Lawn, IL
About Dr. Karen Carvalho Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN CARVALHO MD (NPI 1821595828) is an individual pediatric cardiology provider in Oak Lawn, Illinois, licensed in Illinois (036.160765) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oak Lawn.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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)
Dr. Karen Carvalho Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Carvalho 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Karen Carvalho's NPI number?
The NPI number for Karen Carvalho is 1821595828. It was assigned to this individual provider in the NPPES registry on April 7, 2018.
Where is Karen Carvalho located?
Karen Carvalho practices at 4400 W 95th St Ste 106, Oak Lawn, IL 60453. The listed phone number is (708) 684-5580.
What is Karen Carvalho's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Karen Carvalho enrolled in Medicare?
Yes. Karen Carvalho is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Carvalho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Carvalho 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 Karen Carvalho's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Carvalho accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Cross and Blue Shield of Texas and Oscar Health list Karen Carvalho 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 Karen Carvalho was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.
# Dr. Karen Carvalho, MD · NPI 1821595828
Pediatric Cardiology physician in Oak Lawn, Illinois. Individual provider, active in the CMS NPPES registry since April 7, 2018.
## Identity
- **NPI:** 1821595828 (Entity type: Individual)
- **Enumerated:** April 7, 2018
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 036.160765 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4400 W 95TH ST STE 106, Oak Lawn, IL 60453-2656
- **Phone:** (708) 684-5580
## 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:** September 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1821595828) · Data from the CMS NPPES public registry.