DR. MARWAN MOHAMMED OLEIWI MD
NPI 1063779262
Hospitalist in Mesa, AZ
About Dr. Marwan Mohammed Oleiwi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARWAN MOHAMMED OLEIWI MD (NPI 1063779262) is an individual hospitalist provider in Mesa, Arizona, licensed in Arizona (50464) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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
Dr. Marwan Mohammed Oleiwi 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
4Medicare enrollment records show Marwan Oleiwi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gilbert, AZ 85234
- Reassigned Medicare billing, Arizona enrollment
- 1,081 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 470 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 728 clinicians in this Medicare group
Sun City, AZ 85351
- Reassigned Medicare billing, Arizona enrollment
- 64 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 5
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 85206 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
MESA, AZ 85206
MESA, AZ 85206
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 Marwan Oleiwi's NPI number?
The NPI number for Marwan Oleiwi is 1063779262. It was assigned to this individual provider in the NPPES registry on April 12, 2012. The provider is also known as Dr. Marwan Mohammed Alewi Hemed MD.
Where is Marwan Oleiwi located?
Marwan Oleiwi practices at 6644 E Baywood Ave Banner Baywood Medical Center, Mesa, AZ 85206. The listed phone number is (480) 321-3900.
What is Marwan Oleiwi's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Marwan Oleiwi enrolled in Medicare?
Yes. Marwan Oleiwi 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 Marwan Oleiwi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marwan Oleiwi reassigns Medicare benefits to 4 organizations: Banner Hospital Based Physicians Arizona LLC (Gilbert, AZ), Banner Cancer Center Specialists LLC (Phoenix, AZ), Banner - University Hospital Based Physicians LLC (Phoenix, AZ) and Leading Healthcare, LLC (Sun City, AZ). 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 Marwan Oleiwi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marwan Oleiwi accept?
Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Marwan Oleiwi 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.
When was this NPI record last updated?
The NPPES record for Marwan Oleiwi was last updated on October 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.