PARKER ALEXANDER MILLER MD
NPI 1861078867
Emergency Medicine in Chicago, IL
About Parker Alexander Miller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PARKER ALEXANDER MILLER MD (NPI 1861078867) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.173424) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Temple University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Parker Alexander Miller 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 Parker Miller reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 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.
Hospital Affiliations CMS Care Compare 3
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, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILUniversity Of Illinois Hospital And Clinics
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Parker Miller's NPI number?
The NPI number for Parker Miller is 1861078867. It was assigned to this individual provider in the NPPES registry on March 20, 2021.
Where is Parker Miller located?
Parker Miller practices at 808 S Wood St Ste 471, Chicago, IL 60612. The listed phone number is (312) 413-7480.
What is Parker Miller's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Parker Miller enrolled in Medicare?
Yes. Parker Miller 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 Parker Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Parker Miller reassigns Medicare benefits to 3 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), Rush University Medical Center (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 Parker Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Parker Miller affiliated with any hospitals?
According to CMS data, Parker Miller is affiliated with Rush Oak Park Hospital, Rush University Medical Center and University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Parker Miller was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Parker Alexander Miller, MD · NPI 1861078867
Emergency Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 20, 2021.
## Identity
- **NPI:** 1861078867 (Entity type: Individual)
- **Enumerated:** March 20, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.173424 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 808 S WOOD ST STE 471, Chicago, IL 60612-7300
- **Phone:** (312) 413-7480
## 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): The Board Of Trustees Of The University Of Illinois (NPI 1265651434, Chicago, IL); Rush University Medical Center (NPI 1184269425, Chicago, IL); Rush Oak Park ER Physicians Group (NPI 1447260880, Oak Park, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** May 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861078867) · Data from the CMS NPPES public registry.