KARIM AHMED IBRAHIM MAHMOUD M.D
NPI 1871908939
Internal Medicine in Murfreesboro, TN
About Karim Ahmed Ibrahim Mahmoud M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIM AHMED IBRAHIM MAHMOUD M.D (NPI 1871908939) is an individual internal medicine provider in Murfreesboro, Tennessee, licensed in Tennessee (64209) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Chi Memorial Hospital- Georgia, and maintains a secondary practice location in Detroit.
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Karim Ahmed Ibrahim Mahmoud M.d 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
8Medicare enrollment records show Karim Mahmoud reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Murfreesboro, TN 37129
- Reassigned Medicare billing, Tennessee enrollment
- 116 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Tennessee enrollment
- 2 clinicians in this Medicare group
Nashville, TN 37205
- Reassigned Medicare billing, Tennessee enrollment
- 97 clinicians in this Medicare group
Cookeville, TN 38501
- Reassigned Medicare billing, Tennessee enrollment
- 107 clinicians in this Medicare group
Chattanooga, TN 37411
- Reassigned Medicare billing, Georgia and Tennessee enrollments
- 242 clinicians in this Medicare group
Rome, GA 30165
- Reassigned Medicare billing, Georgia enrollment
- 343 clinicians in this Medicare group
Warner Robins, GA 31093
- Reassigned Medicare billing, Georgia enrollment
- 150 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 3
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.
Chi Memorial Hospital- Georgia
Acute Care Hospitals · Fort Oglethorpe, GAUnity Medical Center
Acute Care Hospitals · Manchester, TNSaint Thomas Rutherford Hospital
Acute Care Hospitals · Murfreesboro, TNSouthern Tennessee Regional Hlth System Winchester
Acute Care Hospitals · Winchester, TNMemorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37129 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MURFREESBORO, TN 37129
MURFREESBORO, TN 37129
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 Mahmoud's NPI number?
The NPI number for Karim Mahmoud is 1871908939. It was assigned to this individual provider in the NPPES registry on June 27, 2014.
Where is Karim Mahmoud located?
Karim Mahmoud practices at 1700 Medical Center Pkwy, Murfreesboro, TN 37129. The listed phone number is (615) 396-4694.
What is Karim Mahmoud's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karim Mahmoud enrolled in Medicare?
Yes. Karim Mahmoud 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 Karim Mahmoud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karim Mahmoud reassigns Medicare benefits to 8 organizations: Havely Springs Physician Services, PC (Murfreesboro, TN), Saint Thomas Medical Partners (Franklin, TN), Mdtele LLC (Franklin, TN), Beaman Physician Services, PC (Nashville, TN), Cookeville Hospitalist Group, PLLC (Cookeville, TN) and 3 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 Mahmoud's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karim Mahmoud accept?
Health plans from Alliant Health Plans, Inc. and Oscar Insurance Company list Karim Mahmoud 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 Mahmoud affiliated with any hospitals?
According to CMS data, Karim Mahmoud is affiliated with Chi Memorial Hospital- Georgia, Unity Medical Center, Saint Thomas Rutherford Hospital, Southern Tennessee Regional Hlth System Winchester and Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Karim Mahmoud was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.