ARIAN FROST MD
NPI 1194286765
Emergency Medicine in Chicago, IL
About Arian Frost Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIAN FROST MD (NPI 1194286765) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125.073536) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of University Of Wisconsin School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
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
Arian Frost 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 Arian Frost reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 548 clinicians in this Medicare group
Oak Park, IL 60304
- Reassigned Medicare billing, Illinois enrollment
- 124 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 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush Oak Park Hospital
Acute Care Hospitals · Oak Park, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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.
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.
CHICAGO, IL 60637
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 Arian Frost's NPI number?
The NPI number for Arian Frost is 1194286765. It was assigned to this individual provider in the NPPES registry on March 27, 2019.
Where is Arian Frost located?
Arian Frost practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-3820.
What is Arian Frost's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Arian Frost enrolled in Medicare?
Yes. Arian Frost 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 Arian Frost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arian Frost reassigns Medicare benefits to 3 organizations: Rush University Medical Center (Chicago, IL), Rush Medical Group (Chicago, IL) and Rush Oak Park ER Physicians Group (Oak Park, IL). 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 Arian Frost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arian Frost affiliated with any hospitals?
According to CMS data, Arian Frost is affiliated with Rush Oak Park Hospital.
When was this NPI record last updated?
The NPPES record for Arian Frost was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Arian Frost, MD · NPI 1194286765
Emergency Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 27, 2019.
## Identity
- **NPI:** 1194286765 (Entity type: Individual)
- **Enumerated:** March 27, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 125.073536 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1443
- **Phone:** (773) 702-3820
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Rush University Medical Center (NPI 1689165540, Chicago, IL); Rush Medical Group (NPI 1467312850, Chicago, IL); Rush Oak Park ER Physicians Group (NPI 1447260880, Oak Park, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** October 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1194286765) · Data from the CMS NPPES public registry.