SHEREIF H REZKALLA MD
NPI 1396853669
Internal Medicine - Cardiovascular Disease in Marshfield, WI
About Shereif H Rezkalla Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHEREIF H REZKALLA MD (NPI 1396853669) is an individual cardiovascular disease provider in Marshfield, Wisconsin, licensed in Wisconsin (30248) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Shereif H Rezkalla Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Shereif Rezkalla reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 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.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
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 Shereif Rezkalla's NPI number?
The NPI number for Shereif Rezkalla is 1396853669. It was assigned to this individual provider in the NPPES registry on August 28, 2006.
Where is Shereif Rezkalla located?
Shereif Rezkalla practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5845.
What is Shereif Rezkalla's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Shereif Rezkalla enrolled in Medicare?
Yes. Shereif Rezkalla is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shereif Rezkalla's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shereif Rezkalla reassigns Medicare benefits to 3 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI) and Lakeview Medical Center Inc Of Rice Lake (Chetek, WI). 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 Shereif Rezkalla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Shereif Rezkalla was last updated on November 17, 2022. 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.