Individual provider Active NPI

Mary Christine Johansen, APRN, CNP

  • Nurse Practitioner
  • McHenry, IL
National Provider Identifier
1689208928
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
209020914 Issued in IL
Practice address
4309 W Medical Center Dr Ste A200
McHenry, IL 60050-8437
Phone
(815) 759-8070
Fax
(815) 759-4931
NPI assigned
Feb 25, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 209020914 IL Primary
Adult Health Nurse Practitioner 363LA2200X 209020614 IL
Family Nurse Practitioner 363LF0000X 209.020914 IL

Addresses

Primary practice location

4309 W Medical Center Dr Ste A200
McHenry, IL 60050-8437

Mailing address

4309 W Medical Center Dr Ste A200
McHenry, IL 60050-8437
Phone (815) 759-8070

Other identifiers 1

IdentifierTypeStateIssuer
209020914MedicaidIL

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address mjohansen232550@direct.myadvocateaurora.org

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20201026003008 IL Practitioner - Nurse Practitioner 9133549496 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

10370 Haligus Rd
Huntley, IL 60142-9582

4201 W Medical Ctr Dr
McHenry, IL 60050-8409
Phone (815) 759-4323

4309 W Medical Ctr Dr
Suite A201
McHenry, IL 60050-8411
Phone (815) 759-8070

450 W Hwy 22
Barrington, IL 60010-1919
Phone (847) 381-9600

515 Valley View Dr
Suite 201
Moline, IL 61265-6175
Phone (312) 695-0870

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Practitioner, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
209020614ILMDAdult Health Nurse Practitioner
209.020914ILMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Best Practices Inpatient Care, LTD. CurrentSince Dec 1, 2022 Accepting new patients
Best Practices Inpatient Care,LTD CurrentSince Dec 1, 2022 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Dec 8, 2025 Accepting new patients
Favia Primary Care, SC CurrentSince Aug 24, 2020 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Dec 8, 2025 Accepting new patients
Central Dupage Physician Group Past Accepting new patients
Northwestern Medical Faculty Foundation Past Accepting new patients
Comprehensive Urologic Care S C Past Accepting new patients

Locations

1340 Ryan Pkwy
Algonquin, IL 60102
Phone (815) 276-0150

800 W Central Rd
Arlington Hts, IL 60005
Phone (847) 618-6150

106 Barrington Commons Ct
Unit 1790
Barrington, IL 60011
Phone (847) 719-2220

Dept 5777
Carol Stream, IL 60122

360 Station Dr
Ste 230
Crystal Lake, IL 60014
Phone (815) 477-7350

10370 Haligus Rd
Ste 200
Huntley, IL 60142
Phone (815) 759-8070

660 N Westmoreland Rd
Lake Forest, IL 60045
Phone (847) 535-6100

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

3880 Salem Lake Dr
Ste F
Long Grove, IL 60047
Phone 8477192220 ext. 222

4309 W Medical Center Dr
Ste A200
McHenry, IL 60050
Phone (815) 759-4699

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

450 W State Route 22
South Barrington, IL 60010
Phone (847) 381-0123

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/ECGEBD

Organizations & group practices 8

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.

Hospital & facility affiliations 4

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": "1582588800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1689208928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4309 W MEDICAL CENTER DR STE A200",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508437",
            "telephone_number": "815-759-8070",
            "fax_number": "815-759-4931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4309 W MEDICAL CENTER DR STE A200",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508437",
            "telephone_number": "815-759-8070",
            "fax_number": "815-759-4931"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHANSEN",
        "first_name": "MARY",
        "middle_name": "CHRISTINE",
        "name_prefix": "Ms.",
        "credential": "APRN, CNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-02-25",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209020914",
            "primary": true
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IL",
            "license": "209020614",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209.020914",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "209020914",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1340 Ryan Pkwy",
            "city": "Algonquin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601024527",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mjohansen232550@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "1340 Ryan Pkwy",
            "city": "Algonquin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601024527",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.