DR. CORY EDWARD MELLON MD
NPI 1013413608
Hospitalist in Mchenry, IL
About Dr. Cory Edward Mellon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CORY EDWARD MELLON MD (NPI 1013413608) is an individual hospitalist provider in Mchenry, Illinois, licensed in Illinois (036155246) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Cory Edward Mellon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
10Medicare enrollment records show Cory Mellon reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Joliet, IL 60435
- Reassigned Medicare billing, Illinois enrollment
- 2 clinicians in this Medicare group
Ottawa, IL 61350
- Reassigned Medicare billing, Illinois enrollment
- 233 clinicians in this Medicare group
Goshen, IN 46526
- Reassigned Medicare billing, Indiana enrollment
- 172 clinicians in this Medicare group
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- 309 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 510 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 clinicians in this Medicare group
Lehigh Acres, FL 33936
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Nchmd Inc
- 808 clinicians in this Medicare group
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILPresence Mercy Medical Center
Acute Care Hospitals · Aurora, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60050 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.
MCHENRY, IL 60050
MCHENRY, IL 60050
MCHENRY, IL 60050
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 Cory Mellon's NPI number?
The NPI number for Cory Mellon is 1013413608. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Cory Mellon located?
Cory Mellon practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 759-4323.
What is Cory Mellon's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Cory Mellon enrolled in Medicare?
Yes. Cory Mellon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Cory Mellon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cory Mellon reassigns Medicare benefits to 10 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Central Dupage Physician Group (Carol Stream, IL), Mellon Litigation Services LLC (Joliet, IL), 24 On Physicians, PC (Ottawa, IL), Apogee Medical Group Indiana PC (Goshen, IN) and 5 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 Cory Mellon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cory Mellon accept?
Health plans from CareSource list Cory Mellon 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 Cory Mellon affiliated with any hospitals?
According to CMS data, Cory Mellon is affiliated with Presence Saint Joseph Medical Center and Presence Mercy Medical Center.
When was this NPI record last updated?
The NPPES record for Cory Mellon was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.
# Dr. Cory Edward Mellon, MD · NPI 1013413608
Hospitalist physician in Mchenry, Illinois. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1013413608 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036155246 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 4201 W MEDICAL CENTER DR, Mchenry, IL 60050-8409
- **Phone:** (815) 759-4323 · **Fax:** (815) 759-4948
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL); Mellon Litigation Services LLC (NPI 1710712187, Joliet, IL); 24 On Physicians, PC (NPI 1346480431, Ottawa, IL); Apogee Medical Group Indiana PC (NPI 1093973885, Goshen, IN); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1013413608) · Data from the CMS NPPES public registry.