TAREK H MAHROUS MD
NPI 1225046436
Internal Medicine - Interventional Cardiology in Sioux Falls, SD
About Tarek H Mahrous Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAREK H MAHROUS MD (NPI 1225046436) is an individual interventional cardiology provider in Sioux Falls, South Dakota, licensed in South Dakota (7205) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Spencer Municipal Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 9
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
Tarek H Mahrous 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 Tarek Mahrous reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57108
- Reassigned Medicare billing, Iowa, Minnesota and South Dakota enrollments
- Also billed through NPI 1023003969 (South Dakota)
- 34 clinicians in this Medicare group
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1275562027 (South Dakota)
- 1,277 clinicians in this Medicare group
Hartley, IA 51346
- Reassigned Medicare billing, Iowa enrollment
- 176 clinicians in this Medicare group
Wagner, SD 57380
- Reassigned Medicare billing, South Dakota enrollment
- 44 clinicians in this Medicare group
Estherville, IA 51334
- Reassigned Medicare billing, Iowa and South Dakota enrollments
- Also billed through NPI 1083652887 (South Dakota)
- 33 clinicians in this Medicare group
Gettysburg, SD 57442
- Reassigned Medicare billing, South Dakota enrollment
- 42 clinicians in this Medicare group
Cresco, IA 52136
- Reassigned Medicare billing, Iowa enrollment
- 56 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 35
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.
Spencer Municipal Hospital
Acute Care Hospitals · Spencer, IAAvera St Mary's Hospital
Acute Care Hospitals · Pierre, SDAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDAvera Heart Hospital Of South Dakota
Acute Care Hospitals · Sioux Falls, SDAvera Gregory Hospital
Critical Access Hospitals · Gregory, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57108 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.
SIOUX FALLS, SD 57108
SIOUX FALLS, SD 57108
SIOUX FALLS, SD 57108
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 Tarek Mahrous's NPI number?
The NPI number for Tarek Mahrous is 1225046436. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is Tarek Mahrous located?
Tarek Mahrous practices at 4520 W 69th St, Sioux Falls, SD 57108. The listed phone number is (605) 977-5000.
What is Tarek Mahrous's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Tarek Mahrous enrolled in Medicare?
Yes. Tarek Mahrous 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 Tarek Mahrous's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tarek Mahrous reassigns Medicare benefits to 7 organizations: Heart Hospital Of South Dakota LLC (Sioux Falls, SD), Avera Mckennan (Sioux Falls, SD), Spencer Municipal Hospital (Hartley, IA), Wagner Community Memorial Hospital (Wagner, SD), Avera Holy Family (Estherville, IA) 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 Tarek Mahrous's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tarek Mahrous accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Avera Health Plans and Oscar Insurance Company and 3 other insurers list Tarek Mahrous 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 Tarek Mahrous affiliated with any hospitals?
According to CMS data, Tarek Mahrous is affiliated with Spencer Municipal Hospital, Avera St Mary's Hospital, Avera Mckennan Hospital & University Health Center, Avera Heart Hospital Of South Dakota and Avera Gregory Hospital.
When was this NPI record last updated?
The NPPES record for Tarek Mahrous was last updated on October 5, 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.