DR. AARON WITTENBERG M.D.
NPI 1164486338
Radiology - Diagnostic Radiology in Mchenry, IL
About Dr. Aaron Wittenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON WITTENBERG M.D. (NPI 1164486338) is an individual diagnostic radiology provider in Mchenry, Illinois, licensed in Illinois (036157692) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Corbin, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 3
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
Dr. Aaron Wittenberg 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
9Medicare enrollment records show Aaron Wittenberg reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frankfort, KY 40601
- Reassigned Medicare billing, Kentucky enrollment
- 999 clinicians in this Medicare group
Welch, WV 24801
- Reassigned Medicare billing, West Virginia enrollment
- 77 clinicians in this Medicare group
Jay, OK 74346
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Muskogee, OK 74401
- Reassigned Medicare billing, Texas enrollment
- 655 clinicians in this Medicare group
Ganado, AZ 86505
- Reassigned Medicare billing, Arizona enrollment
- 204 clinicians in this Medicare group
Benson, AZ 85602
- Reassigned Medicare billing, Arizona enrollment
- 152 clinicians in this Medicare group
Mesa, AZ 85201
- Reassigned Medicare billing, Arizona enrollment
- 1,490 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 447 clinicians in this Medicare group
Goodyear, AZ 85338
- Reassigned Medicare billing, Arizona enrollment
- 359 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 29
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.
Baptist Health Corbin
Acute Care Hospitals · Corbin, KYPhysician 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.
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 Aaron Wittenberg's NPI number?
The NPI number for Aaron Wittenberg is 1164486338. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Aaron Wittenberg located?
Aaron Wittenberg practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 334-5566.
What is Aaron Wittenberg's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Aaron Wittenberg enrolled in Medicare?
Yes. Aaron Wittenberg 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 Aaron Wittenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Wittenberg reassigns Medicare benefits to 9 organizations: Baptist Health Medical Group Inc (Frankfort, KY), Appalachian Mountains Medical, LLC (Welch, WV), Cherokee Nation (Jay, OK), Creek Nation Hospital & Clinics (Muskogee, OK), Navajo Health Foundation-Sage Memorial Hospital, Inc. (Ganado, AZ) and 4 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 Aaron Wittenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Wittenberg accept?
Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Priority Health list Aaron Wittenberg 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 Aaron Wittenberg affiliated with any hospitals?
According to CMS data, Aaron Wittenberg is affiliated with Baptist Health Corbin.
When was this NPI record last updated?
The NPPES record for Aaron Wittenberg was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.