ZAHER NAJI MD
NPI 1497857528
Pediatrics - Pediatric Hematology-Oncology in Aurora, CO
About Zaher Naji Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZAHER NAJI MD (NPI 1497857528) is an individual pediatric hematology-oncology provider in Aurora, Colorado, licensed in Ohio (35.125601) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS 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)
Zaher Naji Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Zaher Naji reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43604
- Reassigned Medicare billing, Ohio enrollment
- 690 clinicians in this Medicare group
Toledo, OH 43604
- Reassigned Medicare billing, Ohio enrollment
- 457 clinicians in this Medicare group
Toledo, OH 43608
- Reassigned Medicare billing, Ohio enrollment
- 233 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 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.
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.
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
AURORA, CO 80045
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 Zaher Naji's NPI number?
The NPI number for Zaher Naji is 1497857528. It was assigned to this individual provider in the NPPES registry on September 1, 2006.
Where is Zaher Naji located?
Zaher Naji practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.
What is Zaher Naji's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Zaher Naji enrolled in Medicare?
Yes. Zaher Naji is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Zaher Naji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zaher Naji reassigns Medicare benefits to 4 organizations: Mercy Health Physicians North Specialty Care LLC (Toledo, OH), Mercy Health Physicians-North LLC (Toledo, OH), Northwest Pediatric Specialists, LLC (Toledo, OH) and University Hospitals Medical Group Inc (Cleveland, OH). 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 Zaher Naji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zaher Naji accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Zaher Naji 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 Zaher Naji was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Zaher Naji, MD · NPI 1497857528
Pediatric Hematology-Oncology physician in Aurora, Colorado. Individual provider, active in the CMS NPPES registry since September 1, 2006.
## Identity
- **NPI:** 1497857528 (Entity type: Individual)
- **Enumerated:** September 1, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 35.125601 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 13123 E 16TH AVE, Aurora, CO 80045-7106
- **Phone:** (720) 777-1234
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mercy Health Physicians North Specialty Care LLC (NPI 1306468418, Toledo, OH); Mercy Health Physicians-North LLC (NPI 1609000769, Toledo, OH); Northwest Pediatric Specialists, LLC (NPI 1033709100, Toledo, OH); University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1497857528) · Data from the CMS NPPES public registry.