NAJI M HAMDAN M.D.
NPI 1679570873
Internal Medicine - Cardiovascular Disease in Scottsdale, AZ
About Naji M Hamdan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAJI M HAMDAN M.D. (NPI 1679570873) is an individual cardiovascular disease provider in Scottsdale, Arizona, licensed in Oregon (MD20641) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Howard University College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Naji M Hamdan 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 Naji Hamdan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 822 clinicians in this Medicare group
Hermiston, OR 97838
- Reassigned Medicare billing, Oregon enrollment
- 344 clinicians in this Medicare group
Silverton, OR 97381
- Reassigned Medicare billing, Oregon enrollment
- 568 clinicians in this Medicare group
Sandy, OR 97055
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1902827272 (Washington)
- 1,248 clinicians in this Medicare group
Tualatin, OR 97062
- Reassigned Medicare billing, Oregon enrollment
- 218 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 387 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 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 25
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 85251 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCOTTSDALE, AZ 85251
SCOTTSDALE, AZ 85251
SCOTTSDALE, AZ 85251
SCOTTSDALE, AZ 85251
SCOTTSDALE, AZ 85251
SCOTTSDALE, AZ 85251
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 Naji Hamdan's NPI number?
The NPI number for Naji Hamdan is 1679570873. It was assigned to this individual provider in the NPPES registry on July 1, 2005.
Where is Naji Hamdan located?
Naji Hamdan practices at 3099 N Civic Center Plz, Scottsdale, AZ 85251. The listed phone number is (480) 945-3535.
What is Naji Hamdan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Naji Hamdan enrolled in Medicare?
Yes. Naji Hamdan 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 Naji Hamdan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Naji Hamdan reassigns Medicare benefits to 8 organizations: Honorhealth Ambulatory (Scottsdale, AZ), Good Shepherd Health Care System (Hermiston, OR), Silverton Health (Silverton, OR), Legacy Clinics LLC (Sandy, OR), Legacy Meridian Park Hospital (Tualatin, OR) 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 Naji Hamdan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Naji Hamdan accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Naji Hamdan 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 Naji Hamdan was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.