KARIM KARIM CRNA
NPI 1871164673
Nurse Anesthetist, Certified Registered in Merrillville, IN
About Karim Karim Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIM KARIM CRNA (NPI 1871164673) is an individual nurse anesthetist, certified registered in Merrillville, Indiana, licensed in Illinois (209.024399) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
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)
Karim Karim Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
13Medicare enrollment records show Karim Karim reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gary, IN 46402
- Reassigned Medicare billing, Indiana enrollment
- 55 clinicians in this Medicare group
Chicago, IL 60628
- Reassigned Medicare billing, Illinois enrollment
- 49 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 635 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 clinicians in this Medicare group
Mokena, IL 60448
- Reassigned Medicare billing, Illinois enrollment
- 63 clinicians in this Medicare group
Kankakee, IL 60901
- Reassigned Medicare billing, Illinois enrollment
- 52 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 53 clinicians in this Medicare group
Geneva, IL 60134
- Reassigned Medicare billing, Illinois and Wisconsin enrollments
- 99 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Indiana enrollment
- 83 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 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 7
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILMorris Hospital & Healthcare Centers
Acute Care Hospitals · Morris, ILRiverside Medical Center
Acute Care Hospitals · Kankakee, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILFranciscan Health Munster
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46410 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MERRILLVILLE, IN 46410
MERRILLVILLE, IN 46410
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 Karim Karim's NPI number?
The NPI number for Karim Karim is 1871164673. It was assigned to this individual provider in the NPPES registry on July 2, 2021.
Where is Karim Karim located?
Karim Karim practices at 8701 Broadway, Merrillville, IN 46410. The listed phone number is (219) 738-5500.
What is Karim Karim's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karim Karim enrolled in Medicare?
Yes. Karim Karim is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karim Karim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karim Karim reassigns Medicare benefits to 13 organizations: Redreef Anesthesia Associates Chartered Indiana LLC (Gary, IN), Roseland Community Hospital Association (Chicago, IL), The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL), Elite Anesthesia Providers, Ltd (Mokena, IL) and 8 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 Karim Karim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karim Karim accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Health list Karim Karim 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 Karim Karim affiliated with any hospitals?
According to CMS data, Karim Karim is affiliated with The University Of Chicago Medical Center, Morris Hospital & Healthcare Centers, Riverside Medical Center, Silver Cross Hospital And Medical Centers and Franciscan Health Munster.
When was this NPI record last updated?
The NPPES record for Karim Karim was last updated on March 7, 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.
# Karim Karim, CRNA · NPI 1871164673
Nurse Anesthetist, Certified Registered physician in Merrillville, Indiana. Individual provider, active in the CMS NPPES registry since July 2, 2021.
## Identity
- **NPI:** 1871164673 (Entity type: Individual)
- **Enumerated:** July 2, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209.024399 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 8701 BROADWAY, Merrillville, IN 46410-7035
- **Phone:** (219) 738-5500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): Redreef Anesthesia Associates Chartered Indiana LLC (NPI 1215783766, Gary, IN); Roseland Community Hospital Association (NPI 1306029889, Chicago, IL); The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL); Elite Anesthesia Providers, Ltd (NPI 1679258388, Mokena, IL); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1871164673) · Data from the CMS NPPES public registry.