HUSAM NAYEF M.D
NPI 1831505528
Internal Medicine - Critical Care Medicine in Tucson, AZ
About Husam Nayef M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HUSAM NAYEF M.D (NPI 1831505528) is an individual critical care medicine provider in Tucson, Arizona, licensed in Illinois (036142422) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Husam Nayef M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Husam Nayef reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85741
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Hanford, CA 93230
- Reassigned Medicare billing, California enrollment
- 56 clinicians in this Medicare group
Eureka, IL 61530
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Orland Park, IL 60462
- Reassigned Medicare billing, Illinois enrollment
- 12 clinicians in this Medicare group
Palos Heights, IL 60463
- Reassigned Medicare billing, Illinois enrollment
- 52 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 354 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 16
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 85719 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.
TUCSON, AZ 85719
TUCSON, AZ 85719
TUCSON, AZ 85719
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 Husam Nayef's NPI number?
The NPI number for Husam Nayef is 1831505528. It was assigned to this individual provider in the NPPES registry on July 2, 2014.
Where is Husam Nayef located?
Husam Nayef practices at 3838 N Campbell Ave Bldg 2, Tucson, AZ 85719. The listed phone number is (520) 694-8888.
What is Husam Nayef's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Husam Nayef enrolled in Medicare?
Yes. Husam Nayef is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Husam Nayef's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Husam Nayef reassigns Medicare benefits to 6 organizations: Banner-University Medical Group (Tucson, AZ), Central Valley Critical Care Medicine - A Professional Corporat (Hanford, CA), Advocate Health And Hospitals Corp. (Eureka, IL), Advanced Urgent Care Ltd (Orland Park, IL), Midwest Pulmonary Critical Care & Sleep Consultants LLC (Palos Heights, IL) and 1 more organization, 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 Husam Nayef's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Husam Nayef accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Husam Nayef 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 Husam Nayef was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.