HOLLEY R HARRIS APN
NPI 1437586583
Nurse Practitioner in Geneva, IL
About Holley R Harris Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLEY R HARRIS APN (NPI 1437586583) is an individual nurse practitioner in Geneva, Illinois, licensed in Illinois (209.010766) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 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
Holley R Harris Apn 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
2Medicare enrollment records show Holley Harris reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 635 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 2,237 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 2
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60134 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.
GENEVA, IL 60134
GENEVA, IL 60134
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 Holley Harris's NPI number?
The NPI number for Holley Harris is 1437586583. It was assigned to this individual provider in the NPPES registry on October 3, 2013.
Where is Holley Harris located?
Holley Harris practices at 351 Delnor Dr, Geneva, IL 60134. The listed phone number is (630) 232-0280.
What is Holley Harris's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Holley Harris enrolled in Medicare?
Yes. Holley Harris 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 Holley Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holley Harris reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, 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 Holley Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holley Harris accept?
Health plans from Oscar Health list Holley Harris 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 Holley Harris affiliated with any hospitals?
According to CMS data, Holley Harris is affiliated with The University Of Chicago Medical Center.
When was this NPI record last updated?
The NPPES record for Holley Harris was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.
# Holley R Harris, APN · NPI 1437586583
Nurse Practitioner physician in Geneva, Illinois. Individual provider, active in the CMS NPPES registry since October 3, 2013.
## Identity
- **NPI:** 1437586583 (Entity type: Individual)
- **Enumerated:** October 3, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209.010766 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 351 DELNOR DR, Geneva, IL 60134-4220
- **Phone:** (630) 232-0280 · **Fax:** (630) 232-3895
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The University Of Chicago Medical Center (NPI 1033218128, Chicago, IL); University Of Chicago (NPI 1821048786, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2013
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Other F400439285 (IL); Other 206147 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1437586583) · Data from the CMS NPPES public registry.