Individual provider Active NPI

Cory Edward Mellon, MD

  • Hospitalist Physician
  • McHenry, IL
National Provider Identifier
1013413608
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036155246 Issued in IL
Practice address
4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone
(815) 759-4323
Fax
(815) 759-4948
NPI assigned
Apr 2, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 036155246 IL Primary
Internal Medicine Physician 207R00000X A178066 CA
Internal Medicine Physician 207R00000X 01091772A IN

Addresses

Primary practice location

4201 W Medical Center Dr
McHenry, IL 60050-8409

Mailing address

10400 Haligus Rd
Huntley, IL 60142-9553

Other practice location 1

2001 W 86th St
Indianapolis, IN 46260-1902
Phone (317) 338-2345

Other practice location 2

2160 S 1st Ave
Maywood, IL 60153-3328
Phone (708) 216-4533

Other practice location 3

3 Erie Ct Ste L700
Oak Park, IL 60302-2519
Phone (708) 763-1222

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, FL, IN, CA4 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20220119002114 IL Practitioner - HospitalistPractitioner - Internal Medicine 9638427404 Reassigns benefits to 5 organizations
I20231028000024 FL Practitioner - Hospitalist 9638427404 Reassigns benefits to 1 organization
I20240129000620 IN Practitioner - Internal Medicine 9638427404 Reassigns benefits to 3 organizations
I20250110002042 CA Practitioner - Internal Medicine 9638427404 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2018
Medicare assignment
May accept Medicare assignment
Group practices
Mellon Litigation Services LLCGroup PAC ID 7315471679, 2 clinicians

Practice addresses (Care Compare)

815 N Larkin Ave
Joliet, IL 60435-3438
Phone (815) 877-8741

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.96 of 100Reported as group
Quality
77.5
Improvement activities
40
Cost
74.58

Merit-based Incentive Payment System (MIPS)

Final score
95.63 of 100Reported as apm
Quality
88.47
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036155246ILMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sound Physicians of Illinois, LLC Internal Medicine CurrentSince May 1, 2023 Accepting new patients
St Vincent Physician Services Hospital and Health Care Center Internal Medicine CurrentSince Dec 1, 2024 Accepting new patients
Mellon Litigation Services LLC Internal Medicine CurrentSince Sep 30, 2024 Accepting new patients
24 On Physicians, PC Hospitalist CurrentSince Oct 18, 2024 Accepting new patients
24 On Physicians of California, PC Hospitalist CurrentSince Dec 19, 2024 Accepting new patients
24 On Physicians, P.C. Hospitalist CurrentSince Oct 18, 2024 Accepting new patients
Loyola University Medical Center Current Accepting new patients
Hospitalist Physicians of Indiana, PC Internal Medicine CurrentSince Dec 12, 2023 Accepting new patients
Apogee Medical Group Indiana PC Internal Medicine CurrentSince Sep 1, 2024 Accepting new patients
Central Dupage Physician Group Internal Medicine CurrentSince Apr 12, 2023 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jan 9, 2022 Accepting new patients
St Vincent Physician Services Hospital and Health Care Center CurrentSince Dec 1, 2024 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Jan 9, 2022 Accepting new patients
Nchmd, Inc CurrentSince Sep 12, 2023 Accepting new patients
Nchmd Inc CurrentSince Sep 12, 2023 Accepting new patients
Central Dupage Physician Group CurrentSince Apr 12, 2023 Accepting new patients

Locations

1415 Ross Ave
El Centro, CA 92243
Phone (760) 339-4045

465 W Putnam Ave
Porterville, CA 93257
Phone (559) 784-8886

680 2nd Ave N
Ste 304
Naples, FL 34102
Phone (239) 261-7711

350 7th St N
Naples, FL 34102
Phone (239) 436-5000

13000 Deerfield Pkwy
Ste 100
Alpharetta, GA 30004

405 W Jackson St
Carbondale, IL 62901

Dept 5777
Carol Stream, IL 60122

1044 N Francisco Ave
Chicago, IL 60622
Phone (773) 292-8227

2525 S Michigan Ave
Chicago, IL 60616
Phone (312) 355-1153

10400 Haligus Rd
Huntley, IL 60142
Phone (224) 654-0000

815 N Larkin Ave
Joliet, IL 60435
Phone (815) 744-5550

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400

4201 W Medical Center Dr
McHenry, IL 60050
Phone (815) 759-3100

515 Valley View Dr
Ste 201
Moline, IL 61265
Phone (312) 695-0870

1100 E Norris Dr
Ottawa, IL 61350
Phone (815) 416-1224

1800 N Main St
Wheaton, IL 60187
Phone (630) 469-0045

600 East Blvd
Elkhart, IN 46514
Phone (574) 294-2621

8240 Naab Rd
Ste 155
Indianapolis, IN 46260
Phone (317) 338-7760

2001 W 86th St
Indianapolis, IN 46260
Phone (317) 338-3617

1850 State St
New Albany, IN 47150
Phone (812) 944-7701

85 E US Highway 6
Valparaiso, IN 46383
Phone (219) 983-5743

520 S 7th St
Vincennes, IN 47591
Phone (812) 885-3280

1001 S Main St
Kalispell, MT 59901
Phone (406) 214-8048

Interoperability endpoints

  • Direct secure messaging: cory.mellon.1@18552.direct.athenahealth.com
  • Direct secure messaging: cmellon139888@direct.luhs.org
  • Direct secure messaging: cmellon80194@sih.direct-ci.com

Organizations & group practices 16

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 16

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1013413608",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10400 HALIGUS RD",
            "city": "HUNTLEY",
            "state": "IL",
            "postal_code": "601429553"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-759-4323",
            "fax_number": "815-759-4948"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2001 W 86th St",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462601902",
            "country_code": "US",
            "telephone_number": "317-338-2345",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2160 S 1st Ave",
            "address_purpose": "LOCATION",
            "city": "Maywood",
            "state": "IL",
            "postal_code": "601533328",
            "country_code": "US",
            "telephone_number": "708-216-4533",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3 Erie Ct Ste L700",
            "address_purpose": "LOCATION",
            "city": "Oak Park",
            "state": "IL",
            "postal_code": "603022519",
            "country_code": "US",
            "telephone_number": "708-763-1222",
            "fax_number": "708-763-1471",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MELLON",
        "first_name": "CORY",
        "middle_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-02",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036155246",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A178066",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01091772A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.