ALEX P PALLAS DO
NPI 1235455262
Radiology - Diagnostic Radiology in Mchenry, IL
About Alex P Pallas Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX P PALLAS DO (NPI 1235455262) is an individual diagnostic radiology provider in Mchenry, Illinois, licensed in Illinois (036151032) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Valley Hospital Medical Center, and maintains 7 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 7
Group Practice 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
Alex P Pallas Do 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
19Medicare enrollment records show Alex Pallas reassigns Medicare billing to 19 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60611
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Palos Heights, IL 60463
- Reassigned Medicare billing, Illinois enrollment
- 25 clinicians in this Medicare group
Plymouth, MI 48170
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Garden City, MI 48135
- Reassigned Medicare billing, Michigan enrollment
- 5 clinicians in this Medicare group
Bellevue, OH 44811
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Frankfort, KY 40601
- Reassigned Medicare billing, Kentucky enrollment
- 999 clinicians in this Medicare group
Newark, OH 43055
- Reassigned Medicare billing, California enrollment
Monongahela, PA 15063
- Reassigned Medicare billing, Pennsylvania enrollment
- 59 clinicians in this Medicare group
Connellsville, PA 15425
- Reassigned Medicare billing, Pennsylvania enrollment
- 155 clinicians in this Medicare group
Welch, WV 24801
- Reassigned Medicare billing, West Virginia enrollment
- 77 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 96
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Valley Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVNorthern Nevada Medical Center
Acute Care Hospitals · Sparks, NVDesert View Hospital
Critical Access Hospitals · Pahrump, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60050 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.
Reported Quality Measures
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.
MCHENRY, IL 60050
MCHENRY, IL 60050
MCHENRY, IL 60050
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 Alex Pallas's NPI number?
The NPI number for Alex Pallas is 1235455262. It was assigned to this individual provider in the NPPES registry on April 15, 2010.
Where is Alex Pallas located?
Alex Pallas practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 334-5566.
What is Alex Pallas's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Alex Pallas enrolled in Medicare?
Yes. Alex Pallas 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 Alex Pallas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Pallas reassigns Medicare benefits to 19 organizations: Howard Simon MD PLLC (Chicago, IL), Radiology & Nuclear Consultants Ltd (Palos Heights, IL), Great Lakes Radiology Services (Plymouth, MI), Garden City Radiology PLLC (Garden City, MI), The Bellevue Hospital (Bellevue, OH) and 14 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 Alex Pallas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Pallas accept?
Health plans from Ambetter Health, Ambetter of Alabama, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas and CareSource and 1 other insurer list Alex Pallas 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 Alex Pallas affiliated with any hospitals?
According to CMS data, Alex Pallas is affiliated with Valley Hospital Medical Center, Northern Nevada Medical Center and Desert View Hospital.
When was this NPI record last updated?
The NPPES record for Alex Pallas was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.