MR. ERNEST EMERY AGACNP-BC
NPI 1336501824
Nurse Practitioner - Critical Care Medicine in Oak Brook, IL
About Mr. Ernest Emery Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ERNEST EMERY AGACNP-BC (NPI 1336501824) is an individual critical care medicine provider in Oak Brook, Illinois, licensed in Illinois (277.001699) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Adventist Hinsdale Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Mr. Ernest Emery Agacnp-bc 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 Ernest Emery reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 63 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Naperville, IL 60540
- Reassigned Medicare billing, Illinois enrollment
- 268 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Denver, CO 80231
- Reassigned Medicare billing, Colorado enrollment
- 24 clinicians in this Medicare group
Morrison, CO 80465
- Reassigned Medicare billing, Colorado enrollment
- 24 clinicians in this Medicare group
Albuquerque, NM 87111
- Reassigned Medicare billing, Arizona enrollment
- 64 clinicians in this Medicare group
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 66 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
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.
Adventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60523 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 2
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 Ernest Emery's NPI number?
The NPI number for Ernest Emery is 1336501824. It was assigned to this individual provider in the NPPES registry on March 23, 2016.
Where is Ernest Emery located?
Ernest Emery practices at 903 Commerce Dr Ste 333, Oak Brook, IL 60523. The listed phone number is (708) 246-3627.
What is Ernest Emery's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Ernest Emery enrolled in Medicare?
Yes. Ernest Emery 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 Ernest Emery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Emery reassigns Medicare benefits to 9 organizations: Advance Inpatient Medicine LLC (Oak Brook, IL), Advocate Health And Hospitals Corporation (Oak Brook, IL), Edward Health Ventures (Elmhurst, IL), Edward Hospital (Naperville, IL), Endeavor Health Medical Group (Evanston, IL) 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 Ernest Emery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ernest Emery accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Ernest Emery 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 Ernest Emery affiliated with any hospitals?
According to CMS data, Ernest Emery is affiliated with Adventist Hinsdale Hospital and Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Ernest Emery was last updated on September 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.
# Mr. Ernest Emery, AGACNP-BC · NPI 1336501824
Critical Care Medicine physician in Oak Brook, Illinois. Individual provider, active in the CMS NPPES registry since March 23, 2016.
## Identity
- **NPI:** 1336501824 (Entity type: Individual)
- **Enumerated:** March 23, 2016
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** 277.001699 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 903 COMMERCE DR STE 333, Oak Brook, IL 60523-8723
- **Phone:** (708) 246-3627
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Advance Inpatient Medicine LLC (NPI 1265989875, Oak Brook, IL); Advocate Health And Hospitals Corporation (NPI 1700824455, Oak Brook, IL); Edward Health Ventures (NPI 1275963027, Elmhurst, IL); Edward Hospital (NPI 1013969013, Naperville, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1336501824) · Data from the CMS NPPES public registry.