MR. GREGORY J ARNOLD M.D.
NPI 1235322363
Anesthesiology in Dekalb, IL
About Mr. Gregory J Arnold M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GREGORY J ARNOLD M.D. (NPI 1235322363) is an individual anesthesiology provider in Dekalb, Illinois, licensed in Illinois (036-114478) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Kishwaukee Hospital, and is a graduate of New York Medical College (2002).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Gregory J Arnold 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.
Areas of Expertise CMS Part B claims 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILValley West Community Hospital
Critical Access Hospitals · Sandwich, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DEKALB, IL 60115
DEKALB, IL 60115
DEKALB, IL 60115
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 Gregory Arnold's NPI number?
The NPI number for Gregory Arnold is 1235322363. It was assigned to this individual provider in the NPPES registry on August 22, 2007.
Where is Gregory Arnold located?
Gregory Arnold practices at 1 Kish Hospital Dr, Dekalb, IL 60115. The listed phone number is (630) 936-4029.
What is Gregory Arnold's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Arnold enrolled in Medicare?
Yes. Gregory Arnold 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.
Is Gregory Arnold affiliated with any hospitals?
According to CMS data, Gregory Arnold is affiliated with Northwestern Medicine Kishwaukee Hospital and Valley West Community Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Arnold was last updated on July 31, 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.