DR. OSAMA HALLAK MD
NPI 1154852614
Internal Medicine - Interventional Cardiology in Carmel, IN
About Dr. Osama Hallak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OSAMA HALLAK MD (NPI 1154852614) is an individual interventional cardiology provider in Carmel, Indiana, licensed in Arizona (81218) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 4
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
Dr. Osama Hallak 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
7Medicare enrollment records show Osama Hallak reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 945 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 510 clinicians in this Medicare group
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- 301 clinicians in this Medicare group
Springfield, OH 45504
- Reassigned Medicare billing, Ohio enrollment
- 494 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois enrollment
- 507 clinicians in this Medicare group
Tucson, AZ 85712
- Reassigned Medicare billing, Arizona enrollment
- 196 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILLutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46290 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.
INDIANAPOLIS, IN 46290
INDIANAPOLIS, IN 46290
INDIANAPOLIS, IN 46290
INDIANAPOLIS, IN 46290
CARMEL, IN 46290
INDIANAPOLIS, IN 46290
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 Osama Hallak's NPI number?
The NPI number for Osama Hallak is 1154852614. It was assigned to this individual provider in the NPPES registry on March 25, 2017.
Where is Osama Hallak located?
Osama Hallak practices at 10590 N Meridian St, Carmel, IN 46290. The listed phone number is (317) 338-6666.
What is Osama Hallak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Osama Hallak enrolled in Medicare?
Yes. Osama Hallak 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 Osama Hallak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Osama Hallak reassigns Medicare benefits to 7 organizations: St Vincent Medical Group Inc (Indianapolis, IN), St Vincent Physician Services Hospital And Health Care Center (Indianapolis, IN), Lutheran Medical Group LLC (Fort Wayne, IN), Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH), Endeavor Health Medical Group (Evanston, IL) and 2 more organizations, listed in the Medicare section above. 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 Osama Hallak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Osama Hallak accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Osama Hallak 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 Osama Hallak affiliated with any hospitals?
According to CMS data, Osama Hallak is affiliated with Memorial Hospital, Lutheran Hospital Of Indiana and Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Osama Hallak was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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. Osama Hallak, MD · NPI 1154852614
Interventional Cardiology physician in Carmel, Indiana. Individual provider, active in the CMS NPPES registry since March 25, 2017.
## Identity
- **NPI:** 1154852614 (Entity type: Individual)
- **Enumerated:** March 25, 2017
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 81218 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10590 N MERIDIAN ST, Carmel, IN 46290-1028
- **Phone:** (317) 338-6666
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): St Vincent Medical Group Inc (NPI 1558686436, Indianapolis, IN); St Vincent Physician Services Hospital And Health Care Center (NPI 1669422234, Indianapolis, IN); Lutheran Medical Group LLC (NPI 1164662805, Fort Wayne, IN); Usacs Integrated Acute Care Services Of Ohio, LLC (NPI 1043805690, Springfield, OH); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** August 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154852614) · Data from the CMS NPPES public registry.