STEVEN ALEXANDER ILKO MD
NPI 1144859331
Anesthesiology - Critical Care Medicine in Scottsdale, AZ
About Steven Alexander Ilko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ALEXANDER ILKO MD (NPI 1144859331) is an individual critical care medicine provider in Scottsdale, Arizona, licensed in Arizona (76781) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Unm Hospital, and maintains a secondary practice location in Iowa City.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Steven Alexander Ilko 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
3Medicare enrollment records show Steven Ilko reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85258
- Reassigned Medicare billing, Arizona enrollment
- 69 clinicians in this Medicare group
Phoenix, AZ 85013
- Reassigned Medicare billing, Arizona enrollment
- 126 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 2,105 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unm Hospital
Acute Care Hospitals · Albuquerque, NMMedicare 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.
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
SCOTTSDALE, AZ 85258
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 Steven Ilko's NPI number?
The NPI number for Steven Ilko is 1144859331. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Steven Ilko located?
Steven Ilko practices at 9060 E Via Linda Ste 250, Scottsdale, AZ 85258. The listed phone number is (480) 614-2000.
What is Steven Ilko's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Steven Ilko enrolled in Medicare?
Yes. Steven Ilko 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 Steven Ilko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Ilko reassigns Medicare benefits to 3 organizations: Arizona Pulmonary Specialists Ltd (Scottsdale, AZ), St. Joseph's Hospital And Medical Center (Phoenix, AZ) and Unm Medical Group Inc (Albuquerque, NM). 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 Steven Ilko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Ilko accept?
Health plans from Blue Cross Blue Shield of Arizona, CHRISTUS Health Plan, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Steven Ilko 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.
Is Steven Ilko affiliated with any hospitals?
According to CMS data, Steven Ilko is affiliated with Unm Hospital.
When was this NPI record last updated?
The NPPES record for Steven Ilko 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.