ILONA MARIE CARLOS MD
NPI 1689709933
Obstetrics & Gynecology in Munster, IN
About Ilona Marie Carlos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILONA MARIE CARLOS MD (NPI 1689709933) is an individual obstetrics & gynecology provider in Munster, Indiana, licensed in Indiana (01082896A) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center Inc, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ilona Marie Carlos Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ilona Carlos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Chicago, IN 46312
- Reassigned Medicare billing, Indiana enrollment
- 92 clinicians in this Medicare group
St John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 607 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary Medical Center Inc
Acute Care Hospitals · Hobart, INCommunity Hospital
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46321 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ilona Carlos's NPI number?
The NPI number for Ilona Carlos is 1689709933. It was assigned to this individual provider in the NPPES registry on February 23, 2007.
Where is Ilona Carlos located?
Ilona Carlos practices at 9054 Columbia Ave Ste B, Munster, IN 46321. The listed phone number is (219) 703-2426.
What is Ilona Carlos's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ilona Carlos enrolled in Medicare?
Yes. Ilona Carlos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ilona Carlos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ilona Carlos reassigns Medicare benefits to 2 organizations: 219 Health Network Inc (East Chicago, IN) and Community Care Network Inc (St John, IN). Each 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 Ilona Carlos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ilona Carlos accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Ilona Carlos 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.
Is Ilona Carlos affiliated with any hospitals?
According to CMS data, Ilona Carlos is affiliated with St Mary Medical Center Inc and Community Hospital.
When was this NPI record last updated?
The NPPES record for Ilona Carlos was last updated on October 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Ilona Marie Carlos, MD · NPI 1689709933
Obstetrics & Gynecology physician in Munster, Indiana. Individual provider, active in the CMS NPPES registry since February 23, 2007.
## Identity
- **NPI:** 1689709933 (Entity type: Individual)
- **Enumerated:** February 23, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 01082896A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 9054 COLUMBIA AVE STE B, Munster, IN 46321-2905
- **Phone:** (219) 703-2426
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): 219 Health Network Inc (NPI 1093213506, East Chicago, IN); Community Care Network Inc (NPI 1457610487, St John, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** October 8, 2020
- **Other identifiers:** Other 01630320; Other 501046; Medicaid 036101641 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1689709933) · Data from the CMS NPPES public registry.