Individual provider Active NPI

John C Gaskill, M.D.

  • Emergency Medicine Physician
  • Crystal Lake, IL
National Provider Identifier
1316058043
Registry record updated Sep 20, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
036092988 Issued in IL
Practice address
875 South Route 31
Crystal Lake, IL 60014
Phone
(888) 396-3729
NPI assigned
Aug 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 20, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 036092988 IL Primary

Addresses

Primary practice location

875 South Route 31
Crystal Lake, IL 60014

Mailing address

530 Park Ave E
Princeton, IL 61356
Phone (815) 875-2811

Other practice location 1

530 Park Ave E
Princeton, IL 61356
Phone (815) 875-2811

Other practice location 2

1515 E Lake St
Hanover Park, IL 60133-4896
Phone (847) 472-1500

Other identifiers 1

IdentifierTypeStateIssuer
036092988MedicaidIL

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address john.gaskill@perry.cernerdirect.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050413001072 IL Practitioner - Emergency Medicine 7113964859 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Rush Medical College of Rush University, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Freeport Memorial HospitalGroup PAC ID 8426958232, 168 clinicians

Practice addresses (Care Compare)

1045 W Stephenson St
Freeport, IL 61032-4864
Phone (815) 599-6000

Hospital & facility affiliations

  • Mercyhealth Hospital & Physician Clinic-Crystal la Hospital, Crystal Lake, IL, CCN 140308
  • FHN Memorial Hospital Hospital, Freeport, IL, CCN 140160

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036092988ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cepamerica Illinois LLP Emergency Medicine Current Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Osf Healthcare System Current Accepting new patients
Mercy Health System Corporation CurrentSince Aug 19, 2023 Accepting new patients
Mercy Health System Corporation CurrentSince Aug 19, 2023 Accepting new patients
Osf Healthcare System CurrentSince Jul 1, 2021 Accepting new patients
Cep America - Illinois, LLP Emergency Medicine CurrentSince Oct 1, 2016 Accepting new patients
Freeport Memorial Hospital CurrentSince Oct 20, 2022 Accepting new patients
Cepamerica Illinois LLP Emergency Medicine CurrentSince Oct 1, 2016 Accepting new patients
Osf Healthcare System CurrentSince Jul 1, 2021 Accepting new patients
Mea-SJ Care Centers, LLC Emergency Medicine Past Accepting new patients
Webster Emergency Physicians Emergency Medicine Past Accepting new patients
Mea-SJMC, LLC Emergency Medicine Past Accepting new patients

Locations

2100 Powell St
Ste 900
Emeryville, CA 94608
Phone (510) 350-2777

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

875 S State Route 31
Crystal Lake, IL 60014
Phone (779) 220-5500

77 N Airlite St
Elgin, IL 60123
Phone (847) 622-3407

1425 N Randall Rd
Elgin, IL 60123
Phone (224) 783-5437

1045 W Stephenson St
Freeport, IL 61032
Phone (815) 599-6105

901 Grant St
Harvard, IL 60033
Phone (815) 943-5431

348 S Division St
Harvard, IL 60033
Phone (815) 943-1122

1000 W Harlem Ave
Monmouth, IL 61462
Phone (309) 734-1414

530 Park Ave E
Princeton, IL 61356
Phone (815) 875-2811

1400 W Park St
Urbana, IL 61801
Phone (217) 337-2000

Interoperability endpoints

  • Direct secure messaging: john.gaskill@perry.cernerdirect.com
  • Direct secure messaging: jgaskill104359@direct.mhemail.org

Organizations & group practices 14

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

View all 14

Hospital & facility affiliations 2

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": "1156982400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695168000000",
    "number": "1316058043",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "530 PARK AVE E",
            "city": "PRINCETON",
            "state": "IL",
            "postal_code": "61356",
            "telephone_number": "815-875-2811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "875 SOUTH ROUTE 31",
            "city": "CRYSTAL LAKE",
            "state": "IL",
            "postal_code": "60014",
            "telephone_number": "888-396-3729"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "530 Park Ave E",
            "address_purpose": "LOCATION",
            "city": "Princeton",
            "state": "IL",
            "postal_code": "61356",
            "country_code": "US",
            "telephone_number": "815-875-2811",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1515 E Lake St",
            "address_purpose": "LOCATION",
            "city": "Hanover Park",
            "state": "IL",
            "postal_code": "601334896",
            "country_code": "US",
            "telephone_number": "847-472-1500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GASKILL",
        "first_name": "JOHN",
        "middle_name": "C",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-31",
        "last_updated": "2023-09-20",
        "certification_date": "2023-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036092988",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036092988",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "john.gaskill@perry.cernerdirect.com",
            "affiliation": "N",
            "address_1": "530 Park Ave E",
            "city": "Princeton",
            "state": "IL",
            "country_code": "US",
            "postal_code": "61356",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Crystal Lake, IL

Sources for this page

Verify at the official NPI Registry.