Individual provider Active NPI

Christopher Patrick O'Hara, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • McHenry, IL
National Provider Identifier
1679032593
Registry record updated Aug 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
036161898 Issued in IL
Practice address
4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone
(815) 759-4530
Fax
(815) 759-8053
NPI assigned
Mar 19, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 6, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036161898 IL
Pulmonary Disease Physician 207RP1001X 036161898 IL
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 036161898 IL Primary

Addresses

Primary practice location

4201 W Medical Center Dr
McHenry, IL 60050-8409

Mailing address

4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone (815) 759-4530

Other practice location 1

10400 Haligus Rd
Huntley, IL 60142-9553
Phone (224) 654-0210

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
I20221110000042 IL Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary DiseasePractitioner - Hospitalist 4183952278 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine, Pulmonary Disease
Education
Loyola University of Chicago, Stritch School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Central Dupage Physician GroupGroup PAC ID 5890696231, 1,087 clinicians

Practice addresses (Care Compare)

4201 W Medical Ctr Dr
McHenry, IL 60050-8409
Phone (815) 759-4874

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.19 of 100Reported as apm
Quality
83.05
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Central Dupage Physician Group CurrentSince Aug 1, 2025 Accepting new patients
Central Dupage Physician Group Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
Loyola University Medical Center Current Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

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

1000 N Westmoreland Rd
Lake Forest, IL 60045
Phone (847) 535-6150

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

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

Interoperability endpoints

  • Direct secure messaging: cohara102033@direct.luhs.org

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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": "1552953600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754438400000",
    "number": "1679032593",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "815-759-4530",
            "fax_number": "815-759-8053"
        },
        {
            "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": "815-759-4530",
            "fax_number": "815-759-8053"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10400 Haligus Rd",
            "address_purpose": "LOCATION",
            "city": "Huntley",
            "state": "IL",
            "postal_code": "601429553",
            "country_code": "US",
            "telephone_number": "224-654-0210",
            "fax_number": "224-654-0215",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'HARA",
        "first_name": "CHRISTOPHER",
        "middle_name": "PATRICK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-19",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036161898",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IL",
            "license": "036161898",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036161898",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.