JOHN HAYES CRNA
NPI 1104855576
Nurse Anesthetist, Certified Registered in Chicago, IL
About John Hayes Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN HAYES CRNA (NPI 1104855576) is an individual nurse anesthetist, certified registered in Chicago, Illinois and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Copley Memorial Hospital, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
John Hayes Crna 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
5Medicare enrollment records show John Hayes reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60607
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 53 clinicians in this Medicare group
Geneva, IL 60134
- Reassigned Medicare billing, Illinois enrollment
- 35 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 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 7
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Copley Memorial Hospital
Acute Care Hospitals · Aurora, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 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 60611
CHICAGO, IL 60611
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 John Hayes's NPI number?
The NPI number for John Hayes is 1104855576. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is John Hayes located?
John Hayes practices at 680 N Lake Shore Dr Suite 1000, Chicago, IL 60611. The listed phone number is (312) 695-9797.
What is John Hayes's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Hayes enrolled in Medicare?
Yes. John Hayes 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 John Hayes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hayes reassigns Medicare benefits to 5 organizations: Mount Sinai Community Foundation (Chicago, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), Guardian Anesthesia Associates, S.C (Aurora, IL), Delnor Community Hospital (Geneva, IL) and Northstar Anesthesia Of Illinois, LLC (Arlington, TX). 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 John Hayes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Hayes affiliated with any hospitals?
According to CMS data, John Hayes is affiliated with Copley Memorial Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Hayes was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# John Hayes, CRNA · NPI 1104855576
Nurse Anesthetist, Certified Registered physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 30, 2006.
## Identity
- **NPI:** 1104855576 (Entity type: Individual)
- **Enumerated:** June 30, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **Sole proprietor:** No
## Practice location
- **Address:** 680 N LAKE SHORE DR, SUITE 1000, Chicago, IL 60611-4546
- **Phone:** (312) 695-9797
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Mount Sinai Community Foundation (NPI 1457556516, Chicago, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Guardian Anesthesia Associates, S.C (NPI 1326097221, Aurora, IL); Delnor Community Hospital (NPI 1407859655, Geneva, IL); Northstar Anesthesia Of Illinois, LLC (NPI 1962822395, Arlington, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified K15072
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Source: [NPI Profile](https://npiprofile.com/npi/1104855576) · Data from the CMS NPPES public registry.